Responds to an incoming connection request. This call is used to
    complete an ICC connection from the server side.

    On Alpha and Integrity server systems, this service accepts 64-
    bit addresses.

    Format

      SYS$ICC_ACCEPT  conn_handle ,[accept_buf] ,[accept_len]

                      ,[user_context] ,[flags]

    C Prototype

      int sys$icc_accept  (unsigned int conn_handle, char *

                          accept_buf, unsigned int accept_len,

                          unsigned int user_context, unsigned int

                          flags);