EXIT_SUCCESS(3const) — Linux manual page

EXIT_SUCCESS(3const)                                EXIT_SUCCESS(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) 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), sysexits.h(3head)

COLOPHON         top

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Linux man-pages 6.9.1          2024-06-15           EXIT_SUCCESS(3const)

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