gdFontCacheShutdown 1263 ext/gd/gd.c    	gdFontCacheShutdown();
gdFontCacheShutdown  460 ext/gd/libgd/gd.h void gdFontCacheShutdown(void);
gdFontCacheShutdown  735 ext/gd/libgd/gdft.c 	gdFontCacheShutdown();