View Compilation Error

0_0_4987652_847.cpp: In function `int main()':
0_0_4987652_847.cpp:7: error: `comein' undeclared (first use this function)
0_0_4987652_847.cpp:7: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4987652_847.cpp:7: error: expected `;' before "char"
0_0_4987652_847.cpp:8: error: `str' undeclared (first use this function)