[BZ #640]

Update.
2005-01-06  Ulrich Drepper  <drepper@redhat.com>

	* posix/unistd.h: Declare ftruncate for POSIX 2003.  [BZ #640]

ChangeLog

@@ -1,3 +1,7 @@
+2005-01-06  Ulrich Drepper  <drepper@redhat.com>
+
+	* posix/unistd.h: Declare ftruncate for POSIX 2003.  [BZ #640]
+
 2004-12-22  Steven Munroe  <sjmunroe@us.ibm.com>
 
 	* math/libm-test.inc (rint_test_tonearest): New test.

posix/unistd.h

@@ -890,6 +890,11 @@ extern void sync (void) __THROW;
 extern int getpagesize (void)  __THROW __attribute__ ((__const__));
 
 
+/* Return the maximum number of file descriptors
+   the current process could possibly have.  */
+extern int getdtablesize (void) __THROW;
+
+
 /* Truncate FILE to LENGTH bytes.  */
 # ifndef __USE_FILE_OFFSET64
 extern int truncate (__const char *__file, __off_t __length)
@@ -908,6 +913,10 @@ extern int truncate64 (__const char *__file, __off64_t __length)
      __THROW __nonnull ((1)) __wur;
 # endif
 
+#endif /* Use BSD || X/Open Unix.  */
+
+#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K
+
 /* Truncate the file FD is open on to LENGTH bytes.  */
 # ifndef __USE_FILE_OFFSET64
 extern int ftruncate (int __fd, __off_t __length) __THROW __wur;
@@ -923,12 +932,7 @@ extern int __REDIRECT_NTH (ftruncate, (int __fd, __off64_t __length),
 extern int ftruncate64 (int __fd, __off64_t __length) __THROW __wur;
 # endif
 
-
-/* Return the maximum number of file descriptors
-   the current process could possibly have.  */
-extern int getdtablesize (void) __THROW;
-
-#endif /* Use BSD || X/Open Unix.  */
+#endif /* Use BSD || X/Open Unix || POSIX 2003.  */
 
 
 #if defined __USE_MISC || defined __USE_XOPEN_EXTENDED