--- hatari/src/includes/file.h	2019/04/09 08:54:29	1.1.1.16
+++ hatari/src/includes/file.h	2019/04/09 08:56:56	1.1.1.18
@@ -9,10 +9,14 @@
 #define HATARI_FILE_H
 
 #include "config.h"
+#include <sys/types.h>		/* Needed for off_t */
 
 #ifndef HAVE_FSEEKO
 #define fseeko fseek
 #endif
+#ifndef HAVE_FTELLO
+#define ftello ftell
+#endif
 
 extern void File_CleanFileName(char *pszFileName);
 extern void File_AddSlashToEndFileName(char *pszFileName);
@@ -32,6 +36,8 @@ extern char* File_MakePath(const char *p
 extern void File_ShrinkName(char *pDestFileName, const char *pSrcFileName, int maxlen);
 extern FILE *File_Open(const char *path, const char *mode);
 extern FILE *File_Close(FILE *fp);
+extern bool File_Lock(FILE *fp);
+extern void File_UnLock(FILE *fp);
 extern bool File_InputAvailable(FILE *fp);
 extern void File_MakeAbsoluteSpecialName(char *pszFileName);
 extern void File_MakeAbsoluteName(char *pszFileName);