This feature is not supported on the Wolfram Cloud.

WSLINK WSFromLinkID(WSENV env,long inumb)
returns the link object with ID number inumb in the WSTP environment env.


  • If no link object in the environment env has the ID number inumb, WSFromLinkID() returns (WSLINK)0.
  • WSFromLinkID() is declared in the WSTP header file wstp.h.

ExamplesExamplesopen allclose all

Basic Examples  (1)Basic Examples  (1)

#include "wstp.h"

/* read data from the link represented by id */

void f(WSENV env, long id)
    WSLINK lp;

    lp = WSFromLinkID(env, id);
    if(lp == (WSLINK)0)
        { /* unable to get the link from the id number */ }

    /* determine the type of data on lp */
        /* ... */

    /* ... */