EXIT_SUCCESS(3const) - Linux manual page (original) (raw)

EXITSUCCESS(3const) EXITSUCCESS(3const)

NAME top

   EXIT_SUCCESS, EXIT_FAILURE - termination status constants

LIBRARY top

   Standard C library (_libc_)

SYNOPSIS top

   **#include <stdlib.h>**

   **#define EXIT_SUCCESS** 0
   **#define EXIT_FAILURE** /* nonzero */

DESCRIPTION top

   **EXIT_SUCCESS** and **EXIT_FAILURE** represent a successful and
   unsuccessful exit status respectively, and can be used as
   arguments to the [exit(3)](../man3/exit.3.html) function.

STANDARDS top

   C11, POSIX.1-2008.

HISTORY top

   C89, POSIX.1-2001.

EXAMPLES top

   #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 top

   [exit(3)](../man3/exit.3.html), [sysexits.h(3head)](../man3/sysexits.h.3head.html)

COLOPHON top

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Linux man-pages 6.10 2024-06-15 EXITSUCCESS(3const)