This feature is not supported on the Wolfram Cloud.

int WSMessageReady(WSLINK link)
queries the link object link to see if the link has an out-of-band message.


  • WSMessageReady() returns a nonzero value if a message is available for reading and 0 otherwise.
  • WSMessageReady() is declared in the WSTP header file wstp.h.

ExamplesExamplesopen allclose all

Basic Examples  (1)Basic Examples  (1)

#include "wstp.h"

/* calculate the sum of the integers in a list and check for a message on a link */

int f(WSLINK lp, int *list, int len)
    int sum;
        sum += *list++;
            { /* read the message */ }

    return sum;