Manpages - FcConfigSubstitute.3

FcConfigSubstitute - Execute substitutions

#include <fontconfig/fontconfig.h>

FcBool FcConfigSubstitute (FcConfig config, FcPattern */p/, FcMatchKind kind);*

Calls FcConfigSubstituteWithPat setting p_pat to NULL. Returns FcFalse if the substitution cannot be performed (due to allocation failure). Otherwise returns FcTrue. If config is NULL, the current configuration is used.