va_start
va_start
Defined in header <cstdarg> | ||
---|---|---|
void va_start( va_list ap, parm_n ); |
The va_start
macro enables access to the variable arguments following the named argument parm_n
.
va_start
should be invoked with an instance to a valid va_list
object ap
before any calls to va_arg
.
If parm_n
is declared with ref