FcUtf16ToUcs4 − convert UTF‐16 to UCS4

#include <fontconfig.h>

int FcUtf16ToUcs4 (FcChar8 *src, FcEndian endian, FcChar32
*dst, int len);

     Converts the next Unicode char from src into dst and
returns the number of bytes containing the char. src must be
at least len bytes long.  Bytes of src are combined into
16‐bit units according to endian.

     Fontconfig version 2.4.2