_Exit() — Terminate a process

Standards

Standards / Extensions	C or C++	Dependencies
C99 C11 Single UNIX Specification, Version 3 C++ TR1 C99	both	z/OS® V1R7

Format

#define _ISOC99_SOURCE
#include <stdlib.h>

__noreturn__ void _Exit(int status);

General description

When running POSIX(OFF), the _Exit() function is equivalent to exit() with the exception that it does not run atexit() registered routines or signal handlers registered using signal().

When running POSIX(ON), the _Exit() function is equivalent to _exit().

Returned value

The _Exit() function does not return to its caller.

Related information

stdlib.h
exit() — End program
_exit() — End a process and bypass the cleanup