-#include <ctype.h>
+/* common */
+#include "chartype.h"
/* cc65 */
#include "codeent.h"
/* Check for the sequence */
if (E->OPC == OP65_JSR &&
strncmp (E->Arg, "incax", 5) == 0 &&
- isdigit (E->Arg[5]) &&
+ IsDigit (E->Arg[5]) &&
E->Arg[6] == '\0' &&
!RegXUsed (S, I+1)) {