&SOCKET Verbs › About the Socket Interfaces › Socket Built-in Functions

Socket Built-in Functions

The socket interfaces support built-in functions that you can use to obtain information about socket processes.

• To determine if a function is supported, use the &ZTCPSUPP function.
• To obtain information about the local host, use the &ZTCPINFO function.
• To obtain information about a specific socket, use the &ZSOCINFO function.
• To obtain information about error codes, use the following functions:
  • &ZTCPERNM for the logical name of a TCP/IP error code
  • &ZTCPERDS for a short message about a TCP/IP error code.

Note: For details of these verbs, see Verbs and Built-in Functions.