text2.c:1:20: iostream: No such file or directory text2.c:3: parse error before "namespace" text2.c:3: warning: type defaults to `int' in declaration of `std' text2.c:3: warning: data definition has no type or storage class text2.c: In function `main': text2.c:7: `cout' undeclared (first use in this function) text2.c:7: (Each undeclared identifier is reported only once text2.c:7: for each function it appears in.) text2.c:7: `endl' undeclared (first use in this function)