getosreldate(3)

NAME

getosreldate - get the value of __FreeBSD_version

LIBRARY

Standard C Library (libc, -lc)

SYNOPSIS

#include <osreldate.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.

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.

BSD January 30, 2003

BSD