test_mem_eq
#define TEST_FL_mem_eq(a, m, b, n) test_mem_eq(file, line, #a, #b, a, m, b, n)
int test_mem_eq(const char *, int, const char *, const char *,
#define TEST_mem_eq(a, m, b, n) test_mem_eq(__FILE__, __LINE__, #a, #b, a, m, b, n)