uuid_is_null (3) - Linux Manuals
uuid_is_null: compare the value of the UUID to the NULL value
NAME
uuid_is_null - compare the value of the UUID to the NULL value
SYNOPSIS
#include <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'oAVAILABILITY
libuuid is part of the util-linux package since version 2.15.1 and is available from https://www.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)