UUID_IS_NULL(3) Libuuid API UUID_IS_NULL(3)
uuid_is_null - compare the value of the UUID to the NULL value
#include <uuid.h> int uuid_is_null(uuid_t uu);
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.
Theodore Y. Ts'o
uuid(3), uuid_clear(3), uuid_compare(3), uuid_copy(3), uuid_generate(3), uuid_time(3), uuid_parse(3), uuid_unparse(3)
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/.
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Pages that refer to this page: uuid(3), uuid_clear(3), uuid_compare(3), uuid_copy(3), uuid_generate(3), uuid_parse(3), uuid_time(3), uuid_unparse(3)