Provided by: libfontconfig1-dev_2.12.6-0ubuntu2_amd64 

NAME
FcUtf8ToUcs4 - convert UTF-8 to UCS4
SYNOPSIS
#include <fontconfig/fontconfig.h> int FcUtf8ToUcs4 (FcChar8 *src, FcChar32 *dst, int len);
DESCRIPTION
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.