FcConfigHome (3) - Linux Manuals
FcConfigHome: return the current home directory.
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).