VA_ARG(3) Library Functions Manual VA_ARG(3)

va_arg va_end va_starthandle variable argument list

#include <stdarg.h>

type va_arg(va_list ap, type);
void va_end(va_list ap);
void va_start(va_list ap, argN);

Refer to <stdarg.h> .

Derived from the ANSI C standard.

February 1997 posix.fail