gnu_get_libc_version(3)

1GNU_GET_LIBC_VERSION(3)    Linux Programmer's Manual   GNU_GET_LIBC_VERSION(3)
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NAME

6       gnu_get_libc_version,  gnu_get_libc_release - get glibc version and re‐
7       lease
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SYNOPSIS

10       #include <gnu/libc-version.h>
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12       const char *gnu_get_libc_version(void);
13       const char *gnu_get_libc_release(void);
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DESCRIPTION

16       The function gnu_get_libc_version() returns a  string  that  identifies
17       the glibc version available on the system.
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19       The  function gnu_get_libc_release() returns a string indicates the re‐
20       lease status of the glibc version available on the system.   This  will
21       be a string such as stable.
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VERSIONS

24       These functions first appeared in glibc in version 2.1.
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ATTRIBUTES

27       For  an  explanation  of  the  terms  used  in  this  section,  see at‐
28       tributes(7).
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30       ┌────────────────────────────────────────────┬───────────────┬─────────┐
31       │Interface                                   │ Attribute     │ Value   │
32       ├────────────────────────────────────────────┼───────────────┼─────────┤
33       │gnu_get_libc_version(),                     │ Thread safety │ MT-Safe │
34       │gnu_get_libc_release()                      │               │         │
35       └────────────────────────────────────────────┴───────────────┴─────────┘
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CONFORMING TO

38       These functions are glibc-specific.
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EXAMPLES

41       When run, the program below will produce output such as the following:
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43           $ ./a.out
44           GNU libc version: 2.8
45           GNU libc release: stable
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47   Program source
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49       #include <gnu/libc-version.h>
50       #include <stdlib.h>
51       #include <stdio.h>
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53       int
54       main(int argc, char *argv[])
55       {
56           printf("GNU libc version: %s\n", gnu_get_libc_version());
57           printf("GNU libc release: %s\n", gnu_get_libc_release());
58           exit(EXIT_SUCCESS);
59       }
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COLOPHON

65       This  page  is  part of release 5.12 of the Linux man-pages project.  A
66       description of the project, information about reporting bugs,  and  the
67       latest     version     of     this    page,    can    be    found    at
68       https://www.kernel.org/doc/man-pages/.
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72Linux                             2021-03-22           GNU_GET_LIBC_VERSION(3)