exit

Syntax

#include <stdlib.h> void exit(int exit_code);

Description

This function exits the program, returning exit_code to the calling process. Before exiting, all open files are closed and all atexit and on_exit requests are processed.

Return Value

This function does not return.

Portability

ANSI/ISO C	C89; C99
POSIX	1003.2-1992; 1003.1-2001

Example

if (argc < 4) { print_usage(); exit(1); }