text1.cpp: In function `int main()': text1.cpp:15: `v' undeclared (first use this function) text1.cpp:15: (Each undeclared identifier is reported only once for each function it appears in.) text1.cpp:19: `cmd' undeclared (first use this function) text1.cpp: In function `void startif()': text1.cpp:38: `val' undeclared (first use this function)