MLGetReal32Array()

#include "mathlink.h"

/* read an array of single-precision floating-point numbers from a link */

void f(MLINK lp)
{
    float *data;
    int *dims;
    char **heads;
    int d;

    if(! MLGetReal32Array(lp, &data, &dims, &heads, &d))
        {
            /* unable to read the array from lp */
            return;
        }

     /* ... */

    MLReleaseReal32Array(lp, data, dims, heads, d);
}