This is documentation for Mathematica 6, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.1)
MathLink C Function

MLReleaseString()

void MLReleaseString(MLINK link, const char *s)
disowns memory allocated by MLGetString() to store the character string s.
  • MLReleaseString() is declared in the MathLink header file mathlink.h.
#include "mathlink.h"

/* read a C string from a link and then release that memory to MathLink for deallocation */

void f(MLINK lp)
{
    const char *s;

    if(! MLGetString(lp, &s))
        { /* unable to read the string from lp */ }

/* ... */

    MLReleaseString(lp, s);
}