/in/foo.c:1:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
 include <iostream>
         ^
/in/foo.c: In function 'main':
/in/foo.c:5:1: error: 'cout' undeclared (first use in this function)
 cout<<"8 2";
 ^~~~
/in/foo.c:5:1: note: each undeclared identifier is reported only once for each function it appears in