barbie.cpp: In function `void citeste()': barbie.cpp:9: `string' undeclared (first use this function) barbie.cpp:9: (Each undeclared identifier is reported only once for each function it appears in.) barbie.cpp:9: parse error before `;' token barbie.cpp:10: `ifstream' undeclared (first use this function) barbie.cpp:12: `fi' undeclared (first use this function) barbie.cpp:14: `s' undeclared (first use this function) barbie.cpp: In function `void scrie()': barbie.cpp:48: `ofstream' undeclared (first use this function) barbie.cpp:48: parse error before `(' token barbie.cpp:52: `fo' undeclared (first use this function) barbie.cpp:54: return-statement with a value, in function declared with a void return type barbie.cpp:62: `f' undeclared (first use this function)