docs: Added All OpenBSD Manuals

1 files changed, 82 insertions, 0 deletions

diff --git a/static/openbsd/man3/ffs.3 b/static/openbsd/man3/ffs.3
new file mode 100644
index 00000000..0b78fbfd
--- /dev/null
+++ b/static/openbsd/man3/ffs.3
@@ -0,0 +1,82 @@
+.\" Copyright (c) 1990, 1991 The Regents of the University of California.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" Chris Torek.
+.\" 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.
+.\" 3. 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.
+.\"
+.\"	$OpenBSD: ffs.3,v 1.13 2025/11/06 17:19:11 schwarze Exp $
+.\"
+.Dd $Mdocdate: November 6 2025 $
+.Dt FFS 3
+.Os
+.Sh NAME
+.Nm ffs ,
+.Nm ffsl ,
+.Nm ffsll
+.Nd find first bit set in a bit string
+.Sh SYNOPSIS
+.In strings.h
+.Ft int
+.Fn ffs "int value"
+.Ft int
+.Fn ffsl "long value"
+.Ft int
+.Fn ffsll "long long value"
+.Sh DESCRIPTION
+The
+.Fn ffs ,
+.Fn ffsl ,
+and
+.Fn ffsll
+functions find the first bit set in
+.Fa value
+and return the index of that bit.
+Bits are numbered starting from 1, starting at the rightmost bit.
+A return value of 0 means that the argument was zero.
+.Sh SEE ALSO
+.Xr bit_ffs 3
+.Sh STANDARDS
+The
+.Fn ffs
+function conforms to
+.St -p1003.1-2008 .
+The
+.Fn ffsl
+and
+.Fn ffsll
+functions conform to
+.St -p1003.1-2024 .
+.Sh HISTORY
+The
+.Fn ffs
+function first appeared in
+.Bx 4.2 .
+The
+.Fn ffsl
+and
+.Fn ffsll
+functions first appeared in
+.Ox 7.9 .