projects / apple / libc.git / blame
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1 | .\" Copyright 1999 Andreas Dilger (adilger@enel.ucalgary.ca) |
| 2 | .\" | |
| 3 | .\" %Begin-Header% | |
| 4 | .\" Redistribution and use in source and binary forms, with or without | |
| 5 | .\" modification, are permitted provided that the following conditions | |
| 6 | .\" are met: | |
| 7 | .\" 1. Redistributions of source code must retain the above copyright | |
| 8 | .\" notice, and the entire permission notice in its entirety, | |
| 9 | .\" including the disclaimer of warranties. | |
| 10 | .\" 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | .\" notice, this list of conditions and the following disclaimer in the | |
| 12 | .\" documentation and/or other materials provided with the distribution. | |
| 13 | .\" 3. The name of the author may not be used to endorse or promote | |
| 14 | .\" products derived from this software without specific prior | |
| 15 | .\" written permission. | |
| 16 | .\" | |
| 17 | .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
| 18 | .\" WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
| 19 | .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF | |
| 20 | .\" WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE | |
| 21 | .\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 22 | .\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT | |
| 23 | .\" OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
| 24 | .\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 25 | .\" LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 26 | .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
| 27 | .\" USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH | |
| 28 | .\" DAMAGE. | |
| 29 | .\" %End-Header% | |
| 30 | .\" | |
| 31 | .\" Created Wed Mar 10 17:42:12 1999, Andreas Dilger | |
| 32 | .TH UUID_IS_NULL 3 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "@E2FSPROGS_VERSION@" | |
| 33 | .SH NAME | |
| 34 | uuid_is_null \- compare the value of the UUID to the NULL value | |
| 35 | .SH SYNOPSIS | |
| 36 | .nf | |
| 37 | .B #include <uuid/uuid.h> | |
| 38 | .sp | |
| 39 | .BI "int uuid_is_null(uuid_t " uu ); | |
| 40 | .fi | |
| 41 | .SH DESCRIPTION | |
| 42 | The | |
| 43 | .B uuid_is_null | |
| 44 | function compares the value of the supplied UUID variable | |
| 45 | .I uu | |
| 46 | to the NULL value. If the value is equal to the NULL UUID, 1 is returned, | |
| 47 | otherwise 0 is returned. | |
| 48 | .SH AUTHOR | |
| 49 | Theodore Y. Ts'o | |
| 50 | .SH AVAILABILITY | |
| 51 | .UR http://e2fsprogs.sourceforge.net/ | |
| 52 | http://e2fsprogs.sourceforge.net/ | |
| 53 | .UE | |
| 54 | .SH "SEE ALSO" | |
| 55 | .BR uuid (3), | |
| 56 | .BR uuid_clear (3), | |
| 57 | .BR uuid_compare (3), | |
| 58 | .BR uuid_copy (3), | |
| 59 | .BR uuid_generate (3), | |
| 60 | .BR uuid_parse (3), | |
| 61 | .BR uuid_unparse (3) |