Copyright (c) 1983, 1991, 1993
The Regents of the University of California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
4. Neither the name of the University nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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From: @(#)gethostname.3 8.1 (Berkeley) 6/4/93
$FreeBSD$
.Dd September 23, 1994 .Dt GETBOOTFILE 3 .Os .Sh NAME .Nm getbootfile .Nd get kernel boot file name .Sh LIBRARY .Lb libc .Sh SYNOPSIS n paths.h .Ft const char * .Fn getbootfile void .Sh DESCRIPTION The .Fn 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 .Xr sysctl 3 MIB variable .Dq Li kern.bootfile . .Sh 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 .Va errno . .Sh SEE ALSO .Xr sysctl 3 .Sh HISTORY The .Fn getbootfile function appeared in .Fx 2.0 . .Sh BUGS If the boot blocks have not been modified to pass this information into the kernel at boot time, the static string .Dq Pa /boot/kernel/kernel is returned instead of the real boot file.
The Regents of the University of California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
4. Neither the name of the University nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
From: @(#)gethostname.3 8.1 (Berkeley) 6/4/93
$FreeBSD$
.Dd September 23, 1994 .Dt GETBOOTFILE 3 .Os .Sh NAME .Nm getbootfile .Nd get kernel boot file name .Sh LIBRARY .Lb libc .Sh SYNOPSIS n paths.h .Ft const char * .Fn getbootfile void .Sh DESCRIPTION The .Fn 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 .Xr sysctl 3 MIB variable .Dq Li kern.bootfile . .Sh 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 .Va errno . .Sh SEE ALSO .Xr sysctl 3 .Sh HISTORY The .Fn getbootfile function appeared in .Fx 2.0 . .Sh BUGS If the boot blocks have not been modified to pass this information into the kernel at boot time, the static string .Dq Pa /boot/kernel/kernel is returned instead of the real boot file.