MLReleaseInteger64List()

#include "mathlink.h"

/* read a list of 64-bit integers from a link and then release the memory to MathLink for deallocation */

void f(MLINK lp)
{
    mlint64 *data;
    int length;

    if(! MLGetInteger64List(lp, &data, &length))
        { /* unable to read the list of integers from lp */ }

    /* ... */

    MLReleaseInteger64List(lp, data, length);
}