FcValueEqual (3) - Linux Manuals
FcValueEqual: Test two values for equality
NAME
FcValueEqual - Test two values for equality
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcBool FcValueEqual (FcValue v_a, FcValue v_b);
DESCRIPTION
Compares two values. Integers and Doubles are compared as numbers; otherwise the two values have to be the same type to be considered equal. Strings are compared ignoring case.