linux man page for fcconfigsubstitute

FcConfigSubstitute(3)													     FcConfigSubstitute(3)

NAME
       FcConfigSubstitute - Execute substitutions

SYNOPSIS
       #include <fontconfig.h>

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

DESCRIPTION
       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.

VERSION
       Fontconfig version 2.9.0

								   16 April 2012					     FcConfigSubstitute(3)