MLReleaseUTF8String()

#include "mathlink.h"

/* read a UTF-8 encoded string from a link and then release the memory to MathLink for deallocation */

void f(MLINK lp)
{
    const unsigned char *string;
    int number_of_bytes;
    int number_of_characters

    if(! MLGetUTF8String(lp, &string, &number_of_bytes, &number_of_characters))
        { /* unable to read the UTF-8 encoded string from lp */ }

    /* ... */

    MLReleaseUTF8String(lp, string, number_of_bytes);
}