Found the following significant warnings:
  dbfFileParser.c:119:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  dbfFileParser.c:121:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  dbfFileParser.c:148:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:357:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:479:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:488:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:409:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:422:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:435:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:448:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:462:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:470:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:510:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:528:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:365:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:387:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:397:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:724:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:733:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:670:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:679:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:688:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:697:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:707:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:715:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:752:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:765:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:622:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:649:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:659:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:901:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:1022:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:1031:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:1053:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:1062:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:1079:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:1088:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:952:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:965:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:978:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:991:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:1005:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:1013:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:1140:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:1153:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:1101:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:1119:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:909:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:930:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grts.c:939:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:214:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:234:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:245:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:219:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:224:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:267:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:288:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:299:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:310:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:321:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:327:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:338:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:272:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:277:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:355:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:376:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:387:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:398:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:409:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:360:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:365:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:192:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:197:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:201:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:953:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:973:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:984:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:958:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:963:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:1115:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:1136:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:1147:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:1158:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:1169:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:1175:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:1186:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:1120:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:1125:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:1314:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:1335:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:1346:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:1357:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:1368:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:1319:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:1324:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:931:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:936:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtsarea.c:940:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:282:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:302:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:313:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:287:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:292:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:337:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:358:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:369:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:380:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:391:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:397:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:408:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:342:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:347:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:427:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:448:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:459:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:470:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:481:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:432:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:437:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:260:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:265:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:269:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:919:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:943:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:958:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:924:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:929:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:990:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:1015:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:1030:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:1045:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:1060:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:1066:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:1081:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:995:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:1000:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:1104:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:1129:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:1144:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:1159:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:1174:11: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:1109:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:1114:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:893:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:898:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtslin.c:902:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtspts.c:108:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtspts.c:118:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtspts.c:126:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtspts.c:130:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtspts.c:136:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtspts.c:144:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtspts.c:93:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtspts.c:98:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  grtspts.c:102:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:278:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:302:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:317:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:283:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:288:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:347:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:372:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:387:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:402:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:417:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:423:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:438:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:352:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:357:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:459:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:484:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:499:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:514:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:529:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:464:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:469:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:252:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:257:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideAreaGridCell.c:261:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:275:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:299:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:314:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:280:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:285:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:344:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:369:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:384:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:399:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:414:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:420:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:435:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:349:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:354:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:456:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:481:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:496:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:511:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:526:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:461:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:466:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:249:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:254:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  insideLinearGridCell.c:258:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:336:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:360:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:375:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:341:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:346:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:407:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:432:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:447:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:462:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:477:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:483:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:498:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:412:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:417:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:521:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:546:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:561:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:576:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:591:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:526:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:531:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:310:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:315:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  irslin.c:319:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:305:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:329:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:344:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:310:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:315:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:374:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:399:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:414:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:429:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:444:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:450:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:465:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:379:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:384:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:486:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:511:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:526:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:541:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:556:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:491:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:496:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:279:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:284:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickAreaSamplePoints.c:288:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:288:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:312:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:327:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:293:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:298:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:357:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:382:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:397:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:412:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:427:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:433:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:448:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:362:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:367:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:469:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:494:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:509:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:524:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:539:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:474:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:479:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:262:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:267:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  pickLinearSamplePoints.c:271:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:357:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:337:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:342:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:347:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:453:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:460:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:433:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:438:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:443:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:556:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:536:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:541:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:546:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:673:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:699:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:712:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:678:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:683:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:648:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:653:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:658:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:925:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:951:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:964:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1075:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1086:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1092:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1103:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:930:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:935:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:900:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:905:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:910:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1209:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1235:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1248:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1359:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1370:9: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1214:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1219:7: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1184:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1189:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1194:5: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1445:3: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1446:3: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1447:3: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1448:3: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1449:3: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1450:3: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
  shapeParser.c:1451:3: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
See '/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/spsurvey.Rcheck/00install.out' for details.