check_string(hex(h, sizeof h), "00ff807f");
check_string(hex(0, 0), "");
u = unhex("00ff807f", &ul);
+ insist(u != 0);
insist(ul == 4);
insist(memcmp(u, h, 4) == 0);
u = unhex("00FF807F", &ul);
+ insist(u != 0);
insist(ul == 4);
insist(memcmp(u, h, 4) == 0);
u = unhex("", &ul);
+ insist(u != 0);
insist(ul == 0);
fprintf(stderr, "2 ERROR reports expected {\n");
insist(unhex("F", 0) == 0);