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

varargs_test(char *fmt, ...)
{
	va_list argp;		/* argp is the pointer to the variable args */

	va_start(argp, fmt);	/* indicats variable args come after fmt */
	vprintf(fmt, argp);
	va_end(argp);		/* need to undef varrargs macro */
}

main()
{
	varargs_test("%s %s\n", "hello", "world");
}