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+.\" Copyright (c) 2002 Marcel Moolenaar
+.\" Copyright (c) 2002 Hiten Mahesh Pandya
+.\" 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.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd August 13, 2008
+.Dt UUID 3
+.Os
+.Sh NAME
+.Nm uuid_compare , uuid_create , uuid_create_nil , uuid_equal ,
+.Nm uuid_from_string , uuid_hash , uuid_is_nil , uuid_to_string
+.Nd DCE 1.1 compliant UUID functions
+.Sh LIBRARY
+.Lb libc
+.Sh SYNOPSIS
+.In uuid.h
+.Ft int32_t
+.Fn uuid_compare "const uuid_t *uuid1" "const uuid_t *uuid2" "uint32_t *status"
+.Ft void
+.Fn uuid_create "uuid_t *uuid" "uint32_t *status"
+.Ft void
+.Fn uuid_create_nil "uuid_t *uuid" "uint32_t *status"
+.Ft int32_t
+.Fn uuid_equal "const uuid_t *uuid1" "const uuid_t *uuid2" "uint32_t *status"
+.Ft void
+.Fn uuid_from_string "const char *str" "uuid_t *uuid" "uint32_t *status"
+.Ft uint16_t
+.Fn uuid_hash "const uuid_t *uuid" "uint32_t *status"
+.Ft int32_t
+.Fn uuid_is_nil "const uuid_t *uuid" "uint32_t *status"
+.Ft void
+.Fn uuid_to_string "const uuid_t *uuid" "char **str" "uint32_t *status"
+.Ft void
+.Fn uuid_enc_le "void *buf" "const uuid_t *uuid"
+.Ft void
+.Fn uuid_dec_le "const void *buf" "uuid_t *"
+.Ft void
+.Fn uuid_enc_be "void *buf" "const uuid_t *uuid"
+.Ft void
+.Fn uuid_dec_be "const void *buf" "uuid_t *"
+.Sh DESCRIPTION
+The family of DCE 1.1 compliant UUID functions allow applications to operate
+on universally unique identifiers, or UUIDs.
+The
+.Fn uuid_create
+and
+.Fn uuid_create_nil
+functions create UUIDs.
+The
+.Fn uuid_compare ,
+.Fn uuid_equal
+and
+.Fn uuid_is_nil
+functions can be used to test UUIDs.
+To convert from the binary representation to the string representation or
+vice versa, use
+.Fn uuid_to_string
+or
+.Fn uuid_from_string
+respectively.
+A 16-bit hash value can be obtained by calling
+.Fn uuid_hash .
+.Pp
+The
+.Fn uuid_enc_le
+and
+.Fn uuid_enc_be
+functions encode a binary representation of a UUID into an octet stream
+in little-endian and big-endian byte-order, respectively.
+The destination buffer must be pre-allocated by the caller, and must be
+large enough to hold the 16-octet binary UUID.
+These routines are not part of the DCE RPC API.
+They are provided for convenience.
+.Pp
+The
+.Fn uuid_dec_le
+and
+.Fn uuid_dec_be
+functions decode a UUID from an octet stream in little-endian and
+big-endian byte-order, respectively.
+These routines are not part of the DCE RPC API.
+They are provided for convenience.
+.Sh RETURN VALUES
+The successful or unsuccessful completion of the function is returned in
+the
+.Fa status
+argument.
+Possible values are:
+.Bl -tag -width ".Dv uuid_s_invalid_string_uuid"
+.It Dv uuid_s_ok
+The function completed successfully.
+.It Dv uuid_s_bad_version
+The UUID does not have a known version.
+.It Dv uuid_s_invalid_string_uuid
+The string representation of an UUID is not valid.
+.It Dv uuid_s_no_memory
+The meaning of the code escaped the writers mind.
+.El
+.Sh SEE ALSO
+.Xr uuidgen 1 ,
+.Xr uuidgen 2
+.Sh STANDARDS
+The UUID functions conform to the DCE 1.1 RPC specification.
+.Sh BUGS
+This manpage can be improved.