--- previous/src/includes/str.h	2018/04/24 19:25:10	1.1
+++ previous/src/includes/str.h	2018/04/24 19:32:22	1.1.1.3
@@ -14,10 +14,15 @@
 # include <strings.h>
 #endif
 
-extern char *Str_Trim(char *buffer);
-extern char *Str_ToUpper(char *pString);
-extern char *Str_ToLower(char *pString);
-extern char *Str_Trunc(char *str);
-extern bool Str_IsHex(const char *str);
+/* Invalid characters in paths & filenames are replaced by this
+ * (valid but very uncommon GEMDOS file name character)
+ */
+#define INVALID_CHAR '@'
+
+char *Str_Trim(char *buffer);
+char *Str_ToUpper(char *pString);
+char *Str_ToLower(char *pString);
+char *Str_Trunc(char *str);
+bool Str_IsHex(const char *str);
 
 #endif  /* HATARI_STR_H */