WEXITSTATUS       160 lib/utilunix.c             return WEXITSTATUS (status) == 0 ? FORK_PARENT : FORK_ERROR;
WEXITSTATUS       239 src/background.c         if (WIFEXITED (status) && (WEXITSTATUS (status) == 0))
WEXITSTATUS       840 src/diffviewer/ydiff.c     if (rv < 0 || code == -1 || !WIFEXITED (code) || WEXITSTATUS (code) == 2)
WEXITSTATUS       137 src/subshell/common.c #ifndef WEXITSTATUS
WEXITSTATUS      1880 src/subshell/common.c             if (WIFEXITED (status) && WEXITSTATUS (status) != FORK_FAILURE)