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Command: getbootfile | Section: 3 | Source: FreeBSD | File: getbootfile.3.gz
GETBOOTFILE(3) FreeBSD Library Functions Manual GETBOOTFILE(3)
NAME
getbootfile - get kernel boot file name
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <paths.h>
const char *
getbootfile(void);
DESCRIPTION
The getbootfile() function retrieves the full pathname of the file from
which the current kernel was loaded, and returns a static pointer to the
name. A read/write interface to this information is available via the
sysctl(3) MIB variable "kern.bootfile".
RETURN VALUES
If the call succeeds a string giving the pathname is returned. If it
fails, a null pointer is returned and an error code is placed in the
global location errno.
SEE ALSO
sysctl(3)
HISTORY
The getbootfile() function appeared in FreeBSD 2.0.
BUGS
If the boot blocks have not been modified to pass this information into
the kernel at boot time, the static string "/boot/kernel/kernel" is
returned instead of the real boot file.
FreeBSD 14.1-RELEASE-p8 September 23, 1994 FreeBSD 14.1-RELEASE-p8