EXIT(2) System Calls Manual EXIT(2)

_exitterminate the calling process

#include <unistd.h>

void
_exit(int status);

The () function terminates a process, with the following consequences:

Most C programs call the library routine exit(3), which flushes buffers, closes streams, unlinks temporary files, etc., before calling ().

_exit() can never return.

fork(2), sigaction(2), wait(2), exit(3)

The _exit function is defined by IEEE Std 1003.1-1988 (“POSIX.1”).

June 4, 1993 BSD 4