NAME
        CreateStdIO -- create an iostdreq structure

   SYNOPSIS
        ioReq = CreateStdIO(port);

        struct iostdreq *createstdio(struct msgport *)

   FUNCTION
        Allocates memory for and initializes a new iostdreq structure.

   INPUTS
        port - an already initialized message port to be used for this IO
               request's reply port. If this is NULL this function fails.

   RESULT
        ioReq - a new iostdreq structure, or null if there was not enough
                memory

   SEE ALSO
        deletestdio(), createextio(), exec.library/createiorequest()