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1 | .\" Copyright (c) 2008, Linux Foundation, written by Michael Kerrisk |
| 2 | .\" <mtk.manpages@gmail.com> | |
| 3 | .\" | |
| 4 | .\" Permission is granted to make and distribute verbatim copies of this | |
| 5 | .\" manual provided the copyright notice and this permission notice are | |
| 6 | .\" preserved on all copies. | |
| 7 | .\" | |
| 8 | .\" Permission is granted to copy and distribute modified versions of this | |
| 9 | .\" manual under the conditions for verbatim copying, provided that the | |
| 10 | .\" entire resulting derived work is distributed under the terms of a | |
| 11 | .\" permission notice identical to this one. | |
| 12 | .\" | |
| 13 | .\" Since the Linux kernel and libraries are constantly changing, this | |
| 14 | .\" manual page may be incorrect or out-of-date. The author(s) assume no | |
| 15 | .\" responsibility for errors or omissions, or for damages resulting from | |
| 16 | .\" the use of the information contained herein. The author(s) may not | |
| 17 | .\" have taken the same level of care in the production of this manual, | |
| 18 | .\" which is licensed free of charge, as they might when working | |
| 19 | .\" professionally. | |
| 20 | .\" | |
| 21 | .\" Formatted or processed versions of this manual, if unaccompanied by | |
| 22 | .\" the source, must acknowledge the copyright and authors of this work. | |
| 23 | .\" | |
| 24 | .TH GNU_GET_LIBC_VERSION 3 2008-07-02 "Linux" "Linux Programmer's Manual" | |
| 25 | .SH NAME | |
| 26 | gnu_get_libc_version, gnu_get_libc_release \- get glibc version and release | |
| 27 | .SH SYNOPSIS | |
| 28 | .nf | |
| 29 | .B #define _GNU_SOURCE | |
| 30 | .B #include <gnu/libc-version.h> | |
| 31 | ||
| 32 | .B const char *gnu_get_libc_version(void); | |
| 33 | .B const char *gnu_get_libc_release(void); | |
| 34 | .fi | |
| 35 | .SH DESCRIPTION | |
| 36 | The function | |
| 37 | .BR gnu_get_libc_version () | |
| 38 | returns a string that identifies the glibc version available on the system. | |
| 39 | ||
| 40 | The function | |
| 41 | .BR gnu_get_libc_release () | |
| 42 | returns a string indicates the release status of the glibc version | |
| 43 | available on the system. | |
| 44 | This will be a string such as | |
| 45 | .IR "stable" . | |
| 46 | .SH VERSIONS | |
| 47 | These functions first appeared in glibc in version 2.1. | |
| 48 | .SH CONFORMING TO | |
| 49 | These functions are glibc-specific. | |
| 50 | .SH EXAMPLE | |
| 51 | When run, the program below will produce output such as the following: | |
| 52 | .in +4n | |
| 53 | .nf | |
| 54 | ||
| 55 | $ ./a.out | |
| 56 | GNU libc version: 2.8 | |
| 57 | GNU libc release: stable | |
| 58 | ||
| 59 | .fi | |
| 60 | .in | |
| 61 | .nf | |
| 62 | #include <gnu/libc-version.h> | |
| 63 | #include <stdlib.h> | |
| 64 | #include <stdio.h> | |
| 65 | ||
| 66 | int | |
| 67 | main(int argc, char *argv[]) | |
| 68 | { | |
| 69 | printf("GNU libc version: %s\\n", gnu_get_libc_version()); | |
| 70 | printf("GNU libc release: %s\\n", gnu_get_libc_release()); | |
| 71 | exit(EXIT_SUCCESS); | |
| 72 | } | |
| 73 | .fi | |
| 74 | .SH SEE ALSO | |
| 75 | .BR confstr (3) |