MATHEMATICA MATHLINK C FUNCTION

MLGetArgCount()

int MLGetArgCount(MLINK link, int *n)
finds the number of arguments to a function on link and stores the result in n.

Details Details

MLGetArgCount() is declared in the MathLink header file mathlink.h.

Examples Examples open all close all

Basic Examples (1)Basic Examples (1)

#include "mathlink.h"

/* check a link for a function and return the number of arguments */

int f(MLINK lp)
{
    int a;

    switch(MLGetType(lp))
    {
        case MLTKFUNC:
            /* get the argument size */
            if(! MLGetArgCount(lp, &a))
                { /* unable to get the number of arguments from lp */ }
            return a;
        default:
            /* ... */
    }

    /* ... */
}