* cygwin.din (fstatvfs): Export.

(statvfs): Export.
	* syscalls.cc: Include sys/statvfs.h.
	(statvfs): New function.  Move statfs functionality here.
	(fstatvfs): New function.
	(statfs): Just call statvfs and copy structure.  Check validity of
	incoming struct statfs pointer.
	* include/cygwin/types.h (fsblkcnt_t): Define.
	(fsfilcnt_t): Define.
	* include/cygwin/version.h: Bump API minor version.
	* include/sys/statvfs.h: New file.

winsup/cygwin/include/sys/statvfs.h

@@ -0,0 +1,41 @@
+/* sys/statvfs.h
+
+   Copyright 2005 Red Hat, Inc.
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#ifndef _SYS_STATVFS_H_
+#define _SYS_STATVFS_H_
+
+#include <sys/types.h>
+
+struct statvfs {
+   unsigned long    f_bsize;    /* file system block size */
+   unsigned long    f_frsize;   /* fragment size */
+   fsblkcnt_t	    f_blocks;   /* size of fs in f_frsize units */
+   fsblkcnt_t	    f_bfree;    /* free blocks in fs */
+   fsblkcnt_t	    f_bavail;   /* free blocks avail to non-superuser */
+   fsfilcnt_t	    f_files;    /* total file nodes in file system */
+   fsfilcnt_t	    f_ffree;    /* free file nodes in fs */
+   fsfilcnt_t	    f_favail;   /* avail file nodes in fs */
+   unsigned long    f_fsid;     /* file system id */
+   unsigned long    f_flag;	/* mount flags */
+   unsigned long    f_namemax;  /* maximum length of filenames */
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+int statvfs (const char *__path, struct statvfs *__buf);
+int fstatvfs (int __fd, struct statvfs *__buf);
+
+#ifdef __cplusplus
+};
+#endif /* __cplusplus */
+
+#endif /*_SYS_STATVFS_H_*/