MLReleaseReal64List()

#include "mathlink.h"

/* read a list of double-precision floating-point numbers from a link and then release the memory to MathLink for deallocation */

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

    if(! MLGetReal64List(lp, &data, &length))
      { /* unable to read the list of floating-point numbers from lp */ }

    /* ... */

    MLReleaseReal64List(lp, data, length);
}