#ifndef _PDCLIB_CTYPE_H
#define _PDCLIB_CTYPE_H _PDCLIB_CTYPE_H
-
-#ifndef _PDCLIB_INT_H
-#define _PDCLIB_INT_H _PDCLIB_INT_H
#include <_PDCLIB_int.h>
-#endif
+_PDCLIB_BEGIN_EXTERN_C
/* Character classification functions */
*/
int toupper( int c );
+_PDCLIB_END_EXTERN_C
#endif