@node chsize, io
@subheading Syntax

@example
#include <io.h>

int chsize(int handle, long size);
@end example

@subheading Description

Just calls ftruncate (@pxref{ftruncate}).

@subheading Return Value

Zero on success, -1 on failure.

@subheading Portability

@portability !ansi, !posix