Provided by: libfontconfig1-dev_2.12.6-0ubuntu2_amd64 

NAME
FcCharSetDelChar - Add a character to a charset
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcBool FcCharSetDelChar (FcCharSet *fcs, FcChar32 ucs4);
DESCRIPTION
FcCharSetDelChar deletes a single Unicode char from the set, returning FcFalse on failure, either as a
result of a constant set or from running out of memory.
SINCE
version 2.9.0
Fontconfig 2.12.6 05 April 2018 FcCharSetDelChar(3)