DragonFly On-Line Manual Pages
GETBOOTFILE(3) DragonFly Library Functions Manual GETBOOTFILE(3)
getbootfile -- get kernel boot file name
Standard C Library (libc, -lc)
const char *
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.
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.
The getbootfile() function call appeared in FreeBSD 2.0.
If the boot blocks have not been modified to pass this information into
the kernel at boot time, the static string ``/boot/kernel'' is returned
instead of the real boot file.
DragonFly 3.7 September 2, 2008 DragonFly 3.7