VMS Help TCPIP Services, Programming Interfaces, Sockets API, sendmsg()  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Sends gathered bytes through a socket to any other socket.
    Format
      #include  <types.h>
      #include  <socket.h>
      int sendmsg  ( int s, struct msghdr *msg, int flags ); (BSD
                   Version 4.4)
      int sendmsg  ( int s, struct omsghdr *msg, int flags ); (BSD
                   Version 4.3)

  Additional Information (explode) :

• Arguments
• Description
• Return Values
• Errors