| Flag name |
Hexadecimal value |
|---|
| NI_NOFQDN |
01 |
| NI_NUMERICHOST |
02 |
| NI_NAMEREQD |
04 |
| NI_NUMERICSERV |
08 |
| NI_DGRAM |
10 |
| NI_NUMERICSCOPE |
20 |
The following table shows returned results of information
for all 63 possible combinations of flags (x'01' to x'3F') using a
REXX socket call for GETNAMEINFO: af = 2 /* AF_INET */
portnum = 23 /* port number */
ipaddr = 10.x.y.z /* IP address */
flags = one or more flag name separated by blanks
Result = SOCKET( 'GETNAMEINFO', af ipaddr portnum, flags)
| Flags (in hexadecimal value) |
Result of returned information (return code,
data1, data2) |
|---|
| 01, 05, 21, or 25 |
0 mvshost telnet |
| 02, 03, 22, or 23 |
0 10.x.y.z telnet |
| 04, 20, or 24 |
0 mvshost.tcp.raleigh.ibm.com telnet |
| 06, 07, 0E, 0F, 16, 17, 1E, 1F, 26, 27, 2E,
2F, 36, 37, 3E, or 3F |
3 EAI_FAIL No recovery - resolver |
| 08, 0C, 10, 14, 18, 1C, 28, 2C, 30, 34, 38,
or 3C |
0 mvshost.tcp.raleigh.ibm.com 23 |
| 09, 0D, 11, 15, 19, 1D, 29, 2D, 31, 35, 39,
or 3D |
0 mvshost 23 |
| 0A, 0B, 18, 19, 1A, 1B, 2A, 2B, 32, 33, 3A,
or 3B |
0 10.x.y.z 23 |
|
z/OS Communications Server: IP Sockets Application Programming Interface Guide and Reference
Copyright IBM Corporation 1990, 2014