WIFEXITED          76 process.c      #ifndef WIFEXITED
WIFEXITED         297 process.c          if (WIFEXITED(status)) {
WIFEXITED         511 process.c          if (WIFEXITED(status))
WIFEXITED         542 process.c          if (WIFEXITED(status))
WIFEXITED         561 process.c          if (!WIFEXITED(status))