NAME
getosreldate —
get the value of
__FreeBSD_version
LIBRARY
library “libc”
SYNOPSIS
#include
<unistd.h>
int
getosreldate(void);
DESCRIPTION
Thegetosreldate()
function returns an integer showing the version of the currently running
FreeBSD kernel. Definitions of the values can be found
in The Porter's Handbook:
https://www.FreeBSD.org/doc/en/books/porters-handbook/
RETURN VALUES
Upon successful completion, getosreldate()
returns the value requested; otherwise the value -1 is returned and the
global variable errno is set to indicate the
error.
ENVIRONMENT
OSVERSION- If the environment variable
OSVERSIONis set, it will override thegetosreldate() return value.
EXAMPLES
An example can be found in /usr/share/examples/FreeBSD_version.
ERRORS
The getosreldate() function may fail and
set errno for any of the errors specified for the
library function
sysctl(3).
SEE ALSO
The Porter's Handbook.
HISTORY
The getosreldate() function appeared in
FreeBSD 2.0.