9da
va_arg
[extract a value from argument list]
SYNOPSIS #include <varargs.h> type va_arg(va_list ap, type);
DESCRIPTION
va_arg
returns the next unprocessed value from a variable argument list ap
(which you must previously create with va_start).
Specify the type for the value as the second parameter to the macro, type.
RETURNS
va_arg
returns the next argument, an object of type, type.
COMPLIANCE
The va_arg
defined in varargs.h
has the same syntax and usage as the ANSI C version from stdarg.h.