+++ /dev/null
-#include <stdarg.h>
-#include <stdio.h>
-
-void _echo(char *s, ... ) { va_list ap; for(va_start(ap,s);s;s=va_arg(ap,char *)) fputs(s,stdout); va_end(ap); }
-#define print(...) _echo(__VA_ARGS__,"\n",NULL)
-#define echo(...) _echo(__VA_ARGS__,NULL)
-
-int main(void)
-{
- echo("Hello ","world","! ");
- print("Hello ","world","! ");
-}