.\" This manpage has been automatically generated by docbook2man .\" from a DocBook document. This tool can be found at: .\" .\" Please send any bug reports, improvements, comments, patches, .\" etc. to Steve Cheng . .TH "FcConfigSubstitute" "3" "2022/03/31" "Fontconfig 2.14.0" "" .SH NAME FcConfigSubstitute \- Execute substitutions .SH SYNOPSIS .sp \fB#include .sp FcBool FcConfigSubstitute (FcConfig *\fIconfig\fB, FcPattern *\fIp\fB, FcMatchKind \fIkind\fB); \fR .SH "DESCRIPTION" .PP Calls FcConfigSubstituteWithPat setting p_pat to NULL. Returns FcFalse if the substitution cannot be performed (due to allocation failure). Otherwise returns FcTrue. If \fIconfig\fR is NULL, the current configuration is used.