MLClearError()

#include <stdio.h>
#include "mathlink.h"

/* send an integer to a link and check for an error */

void f(MLINK lp)
{
    if(! MLPutInteger(lp, 10))
    {
        printf("MathLink error: %s\n", MLErrorMessage(lp));
        MLClearError(lp);
    }
}