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1 | .\" Copyright (c) 2008, Linux Foundation, written by Michael Kerrisk |
2 | .\" <mtk.manpages@gmail.com> | |
3 | .\" | |
93015253 | 4 | .\" %%%LICENSE_START(VERBATIM) |
6f9799dc MK |
5 | .\" Permission is granted to make and distribute verbatim copies of this |
6 | .\" manual provided the copyright notice and this permission notice are | |
7 | .\" preserved on all copies. | |
8 | .\" | |
9 | .\" Permission is granted to copy and distribute modified versions of this | |
10 | .\" manual under the conditions for verbatim copying, provided that the | |
11 | .\" entire resulting derived work is distributed under the terms of a | |
12 | .\" permission notice identical to this one. | |
13 | .\" | |
14 | .\" Since the Linux kernel and libraries are constantly changing, this | |
15 | .\" manual page may be incorrect or out-of-date. The author(s) assume no | |
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18 | .\" have taken the same level of care in the production of this manual, | |
19 | .\" which is licensed free of charge, as they might when working | |
20 | .\" professionally. | |
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22 | .\" Formatted or processed versions of this manual, if unaccompanied by | |
23 | .\" the source, must acknowledge the copyright and authors of this work. | |
4b72fb64 | 24 | .\" %%%LICENSE_END |
6f9799dc | 25 | .\" |
4b8c67d9 | 26 | .TH GNU_GET_LIBC_VERSION 3 2017-09-15 "Linux" "Linux Programmer's Manual" |
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27 | .SH NAME |
28 | gnu_get_libc_version, gnu_get_libc_release \- get glibc version and release | |
29 | .SH SYNOPSIS | |
30 | .nf | |
6f9799dc | 31 | .B #include <gnu/libc-version.h> |
dbfe9c70 | 32 | .PP |
6f9799dc MK |
33 | .B const char *gnu_get_libc_version(void); |
34 | .B const char *gnu_get_libc_release(void); | |
35 | .fi | |
36 | .SH DESCRIPTION | |
37 | The function | |
38 | .BR gnu_get_libc_version () | |
39 | returns a string that identifies the glibc version available on the system. | |
847e0d88 | 40 | .PP |
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41 | The function |
42 | .BR gnu_get_libc_release () | |
43 | returns a string indicates the release status of the glibc version | |
44 | available on the system. | |
45 | This will be a string such as | |
46 | .IR "stable" . | |
47 | .SH VERSIONS | |
48 | These functions first appeared in glibc in version 2.1. | |
2bee9c14 PH |
49 | .SH ATTRIBUTES |
50 | For an explanation of the terms used in this section, see | |
51 | .BR attributes (7). | |
52 | .TS | |
53 | allbox; | |
54 | lbw23 lb lb | |
55 | l l l. | |
56 | Interface Attribute Value | |
57 | T{ | |
58 | .BR gnu_get_libc_version (), | |
59 | .BR gnu_get_libc_release () | |
60 | T} Thread safety MT-Safe | |
61 | .TE | |
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62 | .SH CONFORMING TO |
63 | These functions are glibc-specific. | |
64 | .SH EXAMPLE | |
65 | When run, the program below will produce output such as the following: | |
e646a1ba | 66 | .PP |
6f9799dc | 67 | .in +4n |
e646a1ba | 68 | .EX |
b43a3b30 | 69 | .RB "$" " ./a.out" |
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70 | GNU libc version: 2.8 |
71 | GNU libc release: stable | |
b8302363 | 72 | .EE |
6f9799dc | 73 | .in |
9c330504 | 74 | .SS Program source |
d84d0300 | 75 | \& |
e7d0bb47 | 76 | .EX |
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77 | #include <gnu/libc-version.h> |
78 | #include <stdlib.h> | |
79 | #include <stdio.h> | |
80 | ||
81 | int | |
82 | main(int argc, char *argv[]) | |
83 | { | |
84 | printf("GNU libc version: %s\\n", gnu_get_libc_version()); | |
85 | printf("GNU libc release: %s\\n", gnu_get_libc_release()); | |
86 | exit(EXIT_SUCCESS); | |
87 | } | |
e7d0bb47 | 88 | .EE |
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89 | .SH SEE ALSO |
90 | .BR confstr (3) |