CHECK_LIBC
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_128_1_vectors[0]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_128_1_vectors[1]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_128_1_vectors[2]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_128_1_vectors[3]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_128_8_vectors[0]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_128_8_vectors[1]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_128_8_vectors[2]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_128_8_vectors[3]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_192_1_vectors[0]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_192_1_vectors[1]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_192_1_vectors[2]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_192_1_vectors[3]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_192_8_vectors[0]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_192_8_vectors[1]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_192_8_vectors[2]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_192_8_vectors[3]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_256_1_vectors[0]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_256_1_vectors[1]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_256_1_vectors[2]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_256_1_vectors[3]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_256_8_vectors[0]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_256_8_vectors[1]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_256_8_vectors[2]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_cbc_256_8_vectors[3]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_xts_256_vectors[0]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_xts_256_vectors[1]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_xts_256_vectors[2]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_xts_256_vectors[3]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_xts_256_vectors[4]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_xts_256_vectors[5]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_xts_512_vectors[0]), -1);
CHECK_LIBC(write_testvec(cgdfd, &aes_xts_512_vectors[1]), -1);
CHECK_LIBC(ret = sysctlbyname(TC_HARDWARE, NULL, 0,