FcPatternRemove (3) - Linux Manuals
FcPatternRemove: Remove one object of the specified type from the pattern
NAME
FcPatternRemove - Remove one object of the specified type from the pattern
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcBool FcPatternRemove (FcPattern *p, const char *object, int id);
DESCRIPTION
Removes the value associated with the property `object' at position `id', returning whether the property existed and had a value at that position or not.