WIFSIGNALED       61 missing/mkdir.c   if (WIFSIGNALED (status) || WEXITSTATUS (status) != 0)
WIFSIGNALED       97 missing/mkdir.c   if (WIFSIGNALED (status) || WEXITSTATUS (status) != 0)
WIFSIGNALED      174 process.c          if (WIFSIGNALED(status))
WIFSIGNALED      186 process.c          if (WIFSIGNALED(status))