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| -rw-r--r-- | man3const/EXIT_SUCCESS.3const | 61 |
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diff --git a/man3const/EXIT_SUCCESS.3const b/man3const/EXIT_SUCCESS.3const new file mode 100644 index 0000000..b9e4c9a --- /dev/null +++ b/man3const/EXIT_SUCCESS.3const @@ -0,0 +1,61 @@ +.\" Copyright (c) 2022 by Thomas Voss <mail@thomasvoss.com> +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.\" +.TH EXIT_SUCCESS 3const 2023-05-03 "Linux man-pages 6.05.01" +.SH NAME +EXIT_SUCCESS, EXIT_FAILURE \- termination status constants +.SH LIBRARY +Standard C library +.RI ( libc ) +.SH SYNOPSIS +.nf +.B #include <stdlib.h> +.PP +.BR "#define EXIT_SUCCESS " 0 +.BR "#define EXIT_FAILURE " "/* nonzero */" +.fi +.SH DESCRIPTION +.B EXIT_SUCCESS +and +.B EXIT_FAILURE +represent a successful and unsuccessful exit status respectively, +and can be used as arguments to the +.BR exit (3) +function. +.SH CONFORMING TO +C99 and later; +POSIX.1-2001 and later. +.SH EXAMPLES +.\" SRC BEGIN (EXIT_SUCCESS.c) +.EX +#include <stdio.h> +#include <stdlib.h> +\& +int +main(int argc, char *argv[]) +{ + FILE *fp; +\& + if (argc != 2) { + fprintf(stderr, "Usage: %s <file>\en", 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); +} +.EE +.\" SRC END +.SH SEE ALSO +.BR exit (3), +.BR sysexits.h (3head) |