IOB
{"read", 3, DEC, NOV, DEC, IOB, UNS}, /* 3 */
{"write", 3, DEC, NOV, DEC, IOB, UNS}, /* 4 */
{"getrandom", 3, DEC, NOV, IOB, UNS, GRF}, /* 126 */
{"pread", 4, DEC, NOV, DEC, IOB, UNS, DEX}, /* 173 */
{"pwrite", 4, DEC, NOV, DEC, IOB, UNS, DEX}, /* 174 */
{"pread64", 5, DEC, NOV, DEC, IOB, UNS, LLO, HID}, /* 222 */
{"pwrite64", 5, DEC, NOV, DEC, IOB, UNS, LLO, HID}, /* 223 */
{"recv", 4, DEC, NOV, DEC, IOB, DEC, SRF}, /* 237 */
{"recvfrom", 6, DEC, NOV, DEC, IOB, DEC, SRF, HEX, HEX}, /* 238 */
{"send", 4, DEC, NOV, DEC, IOB, DEC, SRF}, /* 240 */
{"sendto", 6, DEC, NOV, DEC, IOB, DEC, SRF, HEX, DEC}, /* 242 */