+// number of TrueType (FreeType) fonts to cache
+#define ttFontCacheSize 32
+
+//------------------------------------------------------------------------
+// popen
+//------------------------------------------------------------------------
+
+#ifdef _MSC_VER
+#define popen _popen
+#define pclose _pclose
+#endif
+
+#if defined(VMS) || defined(VMCMS) || defined(DOS) || defined(OS2) || defined(WIN32) || defined(__DJGPP__) || defined(__CYGWIN32) || defined(MACOS)
+#define POPEN_READ_MODE "rb"
+#else
+#define POPEN_READ_MODE "r"
+#endif
+