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Linux 2.6 - man page for uuid_is_null (linux section 3)

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UUID_IS_NULL(3) 			   Libuuid API				  UUID_IS_NULL(3)

NAME
       uuid_is_null - compare the value of the UUID to the NULL value

SYNOPSIS
       #include <uuid/uuid.h>

       int uuid_is_null(uuid_t uu);

DESCRIPTION
       The  uuid_is_null function compares the value of the supplied UUID variable uu to the NULL
       value.  If the value is equal to the NULL UUID, 1 is returned, otherwise 0 is returned.

AUTHOR
       Theodore Y. Ts'o

AVAILABILITY
       libuuid is part of the util-linux package since	version  2.15.1  and  is  available  from
       ftp://ftp.kernel.org/pub/linux/utils/util-linux/.

SEE ALSO
       uuid(3),  uuid_clear(3),  uuid_compare(3),  uuid_copy(3),  uuid_generate(3), uuid_time(3),
       uuid_parse(3), uuid_unparse(3)

util-linux				     May 2009				  UUID_IS_NULL(3)
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