Provided by: libfontconfig1-dev_2.12.6-0ubuntu2_amd64 

NAME
FcConfigHome - return the current home directory.
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcChar8 * FcConfigHome (void);
DESCRIPTION
Return the current user's home directory, if it is available, and if using it is enabled, and NULL
otherwise. See also FcConfigEnableHome).
Fontconfig 2.12.6 05 April 2018 FcConfigHome(3)