--- a/src/pstoedit.cpp
+++ b/src/pstoedit.cpp
@@ -327,6 +327,11 @@ extern FILE *yyin;				// used by lexer
 						// otherwise we could declare it locally where it is used
 
 
+extern "C" DLLEXPORT void loadpstoeditplugins_plainC(const char *progname, int verbose)
+{
+  return loadpstoeditplugins(progname, cerr, (bool) verbose);
+}
+
 static void usage(ostream & outstream, bool forTeX, bool withdetails, bool withcategories )
 {
 	if (withcategories) {
--- a/src/pstoedit.h
+++ b/src/pstoedit.h
@@ -100,8 +100,13 @@ void clearPstoeditDriverInfo_plainC(struct DriverDescription_S * ptr);
 
 #ifdef __cplusplus
 extern "C" DLLEXPORT
-#endif
 void loadpstoeditplugins(const char* progname, std::ostream & errstream, bool verbose);
+#endif
+
+#ifdef __cplusplus
+extern "C" DLLEXPORT
+#endif
+void loadpstoeditplugins_plainC(const char* progname, int verbose);
 
 #ifdef __cplusplus
 extern "C" DLLEXPORT
--- a/src/pstoedit.h
+++ b/src/pstoedit.h
@@ -37,6 +37,7 @@
 #endif
 
 #include "pstoedll.h"
+#include <stdbool.h>
 
 typedef int (*execute_interpreter_function)(int argc, const char * const argv[]);