* libc/include/stdio.h: Declare fgetpos, fsetpos, fseeko and ftello

with internal (_fpos_t and _off_t) datatypes when compiling newlib.
	* libc/include/sys/unistd.h: Declare _lseek using _off_t.
	* libc/reent/lseekr.c (_lseek_r): Use _off_t instead of off_t.
	* libc/stdio/fseeko.c (fseeko): Ditto.
	* libc/stdio/ftello.c (ftello): Ditto.
	* libc/stdio/stdio.c (__swrite): Ditto.
	(__sseek): Ditto.
	* libc/stdio/fgetpos.c (fgetpos): Use _fpos_t instead of fpos_t.
	* libc/stdio/fseek.c (fseek): Ditto.
	* libc/stdio/fsetpos.c (fsetpos): Ditto.
	* libc/stdio/ftell.c (ftell): Ditto.
	* libc/stdio/local.h: Declare __sseek using _off_t.

newlib/libc/stdio/fgetpos.c

@@ -51,7 +51,7 @@ No supporting OS subroutines are required.
 int
 _DEFUN (fgetpos, (fp, pos),
 	FILE * fp _AND
-	fpos_t * pos)
+	_fpos_t * pos)
 {
   _flockfile(fp);
   *pos = ftell (fp);

newlib/libc/stdio/fseek.c

@@ -86,7 +86,7 @@ Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>,
 #include <sys/stat.h>
 #include "local.h"
 
-#define	POS_ERR	(-(fpos_t)1)
+#define	POS_ERR	(-(_fpos_t)1)
 
 /*
  * Seek the given file to the given offset.
@@ -100,8 +100,8 @@ fseek (fp, offset, whence)
      int whence;
 {
   struct _reent *ptr;
-  fpos_t _EXFUN ((*seekfn), (void *, fpos_t, int));
-  fpos_t target, curoff;
+  _fpos_t _EXFUN ((*seekfn), (void *, _fpos_t, int));
+  _fpos_t target, curoff;
   size_t n;
   struct stat st;
   int havepos;
@@ -149,7 +149,7 @@ fseek (fp, offset, whence)
 	curoff = fp->_offset;
       else
 	{
-	  curoff = (*seekfn) (fp->_cookie, (fpos_t) 0, SEEK_CUR);
+	  curoff = (*seekfn) (fp->_cookie, (_fpos_t) 0, SEEK_CUR);
 	  if (curoff == -1L)
 	    {
 	      _funlockfile(fp);

newlib/libc/stdio/fseeko.c

@@ -20,7 +20,7 @@
 int
 fseeko (fp, offset, whence)
         register FILE *fp;
-        off_t offset;
+        _off_t offset;
         int whence;
 {
   /* for now we simply cast since off_t should be long */

newlib/libc/stdio/fsetpos.c

@@ -44,7 +44,7 @@ Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>,
 int
 _DEFUN (fsetpos, (iop, pos),
 	FILE * iop _AND
-	_CONST fpos_t * pos)
+	_CONST _fpos_t * pos)
 {
   int x = fseek (iop, *pos, SEEK_SET);
 

newlib/libc/stdio/ftell.c

@@ -87,7 +87,7 @@ long
 _DEFUN (ftell, (fp),
 	register FILE * fp)
 {
-  fpos_t pos;
+  _fpos_t pos;
 
   _flockfile(fp);
 
@@ -109,7 +109,7 @@ _DEFUN (ftell, (fp),
     pos = fp->_offset;
   else
     {
-      pos = (*fp->_seek) (fp->_cookie, (fpos_t) 0, SEEK_CUR);
+      pos = (*fp->_seek) (fp->_cookie, (_fpos_t) 0, SEEK_CUR);
       if (pos == -1L)
         {
           _funlockfile(fp);

newlib/libc/stdio/ftello.c

@@ -17,10 +17,10 @@
 
 #include <stdio.h>
 
-off_t
+_off_t
 _DEFUN (ftello, (fp),
 	register FILE * fp)
 {
   /* for now we simply cast since off_t should be long */
-  return (off_t)ftell (fp);
+  return (_off_t)ftell (fp);
 }

newlib/libc/stdio/local.h

@@ -33,7 +33,7 @@ extern int    _EXFUN(__sflags,(struct _reent *,_CONST char*, int*));
 extern int    _EXFUN(__srefill,(FILE *));
 extern _READ_WRITE_RETURN_TYPE _EXFUN(__sread,(void *, char *, int));
 extern _READ_WRITE_RETURN_TYPE _EXFUN(__swrite,(void *, char const *, int));
-extern fpos_t _EXFUN(__sseek,(void *, fpos_t, int));
+extern _fpos_t _EXFUN(__sseek,(void *, _fpos_t, int));
 extern int    _EXFUN(__sclose,(void *));
 extern int    _EXFUN(__stextmode,(int));
 extern void   _EXFUN(__sinit,(struct _reent *));

newlib/libc/stdio/stdio.c

@@ -72,7 +72,7 @@ __swrite (cookie, buf, n)
 #endif
 
   if (fp->_flags & __SAPP)
-    (void) _lseek_r (fp->_data, fp->_file, (off_t) 0, SEEK_END);
+    (void) _lseek_r (fp->_data, fp->_file, (_off_t) 0, SEEK_END);
   fp->_flags &= ~__SOFF;	/* in case O_APPEND mode is set */
 
 #ifdef __SCLE
@@ -90,16 +90,16 @@ __swrite (cookie, buf, n)
   return w;
 }
 
-fpos_t
+_fpos_t
 __sseek (cookie, offset, whence)
      _PTR cookie;
-     fpos_t offset;
+     _fpos_t offset;
      int whence;
 {
   register FILE *fp = (FILE *) cookie;
-  register off_t ret;
+  register _off_t ret;
 
-  ret = _lseek_r (fp->_data, fp->_file, (off_t) offset, whence);
+  ret = _lseek_r (fp->_data, fp->_file, (_off_t) offset, whence);
   if (ret == -1L)
     fp->_flags &= ~__SOFF;
   else