@c ----------------------------------------------------------------------
@node vsprintf, stdio
@heading @code{vsprintf}
@subheading Syntax

@example
#include <stdio.h>
#include <stdarg.h>

int vsprintf(char *buffer, const char *format, va_list arguments);
@end example

@subheading Description

Sends formatted output from the @var{arguments} to the @var{buffer}.
@xref{printf}

@subheading Return Value

The number of characters written.

