gistfile1.txt

Bandersnatch:~ patricka$ cat uuidtest.c 
#import <uuid/uuid.h>
#import <stdio.h>

int main() {

    uuid_t my_uuid;
    uuid_generate(my_uuid);
    char uuid_string[60];
    uuid_unparse(my_uuid, uuid_string);
    puts(uuid_string);
    return 0;

}
Bandersnatch:~ patricka$ gcc uuidtest.c -o uuidtest
Bandersnatch:~ patricka$ ./uuidtest 
F840130F-1E6B-4977-AFAD-7A2FC3CDFABF

- char uuid_string[60];
+ char uuid_string[37];
// e.g 128-bit uuid -> 16 bytes (hex -> * 2) + 4 hyphens + null_terminated = 37
// 16 * 2 + 4 + 1 = 37

8-)