Man page - fcconfigsetcurrent(3)
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Manual
FcConfigSetCurrent
NAMESYNOPSIS
DESCRIPTION
NAME
FcConfigSetCurrent - Set configuration as default
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcBool FcConfigSetCurrent (FcConfig * config );
DESCRIPTION
Sets the current default configuration to config . Implicitly calls FcConfigBuildFonts if necessary, and FcConfigReference() to inrease the reference count in config since 2.12.0, returning FcFalse if that call fails.