EXIT_SUCCESS(3const) — Linux manual page
EXIT_SUCCESS(3const) EXIT_SUCCESS(3const)
NAME
EXIT_SUCCESS, EXIT_FAILURE - termination status constants
LIBRARY
Standard C library (libc)
SYNOPSIS
#include <stdlib.h>
#define EXIT_SUCCESS 0
#define EXIT_FAILURE /* nonzero */
DESCRIPTION
EXIT_SUCCESS and EXIT_FAILURE represent a successful and
unsuccessful exit status respectively, and can be used as
arguments to the exit(3) function.
STANDARDS
C11, POSIX.1-2008.
HISTORY
C89, POSIX.1-2001.
EXAMPLES
#include <stdio.h>
#include <stdlib.h>
int
main(int argc, char *argv[])
{
FILE *fp;
if (argc != 2) {
fprintf(stderr, "Usage: %s <file>\n", argv[0]);
exit(EXIT_FAILURE);
}
fp = fopen(argv[1], "r");
if (fp == NULL) {
perror(argv[1]);
exit(EXIT_FAILURE);
}
/* Other code omitted */
fclose(fp);
exit(EXIT_SUCCESS);
}
SEE ALSO
exit(3), sysexits.h(3head)
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