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GETOSRELDATE(3)	       FreeBSD Library Functions Manual	       GETOSRELDATE(3)

NAME
     getosreldate -- get the value of __FreeBSD_version

LIBRARY
     Standard C	Library	(libc, -lc)

SYNOPSIS
     #include <unistd.h>

     int
     getosreldate(void);

DESCRIPTION
     The getosreldate()	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 which is usually installed at
     /usr/share/doc/en_US.ISO8859-1/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 OSVERSION is set, it will override
		the getosreldate() 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,
     /usr/share/doc/en_US.ISO8859-1/books/porters-handbook/.

HISTORY
     The getosreldate()	function appeared in FreeBSD 2.0.

FreeBSD	9.2		      September	30, 2008		   FreeBSD 9.2

NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUES | ENVIRONMENT | EXAMPLES | ERRORS | SEE ALSO | HISTORY

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