Provided by: libfontconfig1-dev_2.12.6-0ubuntu2_amd64 

NAME
FcPatternReference - Increment pattern reference count
SYNOPSIS
#include <fontconfig/fontconfig.h>
void FcPatternReference (FcPattern *p);
DESCRIPTION
Add another reference to p. Patterns are freed only when the reference count reaches zero.
Fontconfig 2.12.6 05 April 2018 FcPatternReference(3)