Found the following significant warnings:
  Closed.c:28:15: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  Closed.c:29:14: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  Closed.c:30:19: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  Closed.c:31:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  Closed.c:32:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  Closed.c:33:13: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  Closed.c:34:16: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  Closed.c:35:16: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  Closed.c:36:18: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ClosedSCR.c:28:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ClosedSCR.c:30:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ClosedSCR.c:31:22: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ClosedSCR.c:32:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ClosedSCR.c:33:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ClosedSCR.c:34:13: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ClosedSCR.c:35:19: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ClosedSCR.c:36:16: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ClosedSCR.c:37:13: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ClosedSCR.c:38:21: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ClosedSCR.c:39:21: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ClosedSCR.c:642:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ClosedSCR.c:670:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ProbitCJS.c:29:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ProbitCJS.c:30:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ProbitCJS.c:31:19: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ProbitCJS.c:32:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ProbitCJS.c:33:13: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ProbitCJS.c:34:18: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ProbitCJS.c:35:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ProbitCJS.c:36:16: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ProbitCJS.c:37:25: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ProbitCJS.c:38:19: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ProbitCJS.c:513:14: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ProbitCJS.c:514:21: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ProbitCJS.c:515:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ProbitCJS.c:679:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ProbitCJS.c:807:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ProbitCJS.c:808:11: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
See '/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/multimark.Rcheck/00install.out' for details.