Found the following significant warnings:
  CData.cpp:256:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  CData.cpp:257:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  CData.cpp:258:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  CData.cpp:259:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  CData.cpp:260:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  CData.cpp:261:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  CData.cpp:274:13: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  CData.cpp:288:11: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:303:5: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:311:5: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:321:5: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:333:5: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:351:8: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:424:8: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:447:8: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:476:8: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:627:7: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:638:5: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:645:12: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:665:12: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:693:12: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:978:8: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:1001:8: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:1029:8: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:1193:7: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:1204:5: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:1214:12: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:1232:12: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  hbio.c:1263:12: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result]
  mmio.c:79:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result]
  lpkit.h:32:99: warning: right-hand operand of comma expression has no effect [-Wunused-value]
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/EditImputeCont.Rcheck/00install.out’ for details.