Provided by: libfontconfig-doc_2.15.0-1.1ubuntu2_all 

NAME
FcUcs4ToUtf8 - convert UCS4 to UTF-8
SYNOPSIS
#include <fontconfig/fontconfig.h> int FcUcs4ToUtf8 (FcChar32 src, FcChar8 dst[FC_UTF8_MAX_LEN]);
DESCRIPTION
Converts the Unicode char from src into dst and returns the number of bytes needed to encode the char. Fontconfig 2.15.0 31 March 2024 FcUcs4ToUtf8(3)