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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.
CONFORMING TO
C99 and later; POSIX.1-2001 and later.
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)