exit_code
(current->flags & PF_EXITING) && (current->exit_code == SIGKILL))
exit_code = 1;
exit(exit_code);
extern int exit_code;
exit_code = 1;
int exit_code = 0;
return exit_code;
return exit_code(BOOLEAN, status);
return exit_code(NUMBER, 0);
return exit_code(STRING, 0);
return exit_code(STRING, 1);
exit_code = 1;
exit_code = n + 4;
int exit_code = 0;
exit_code = 3;
if (reply == (char *) 0 || exit_code != 3)
terminate(exit_code);