View Compilation Error

0_0_10365483_17271.cpp: In function `int main()':
0_0_10365483_17271.cpp:9: error: cannot convert `int*' to `char*' for argument `1' to `char* gets(char*)'
0_0_10365483_17271.cpp:10: error: `strlen' undeclared (first use this function)
0_0_10365483_17271.cpp:10: error: (Each undeclared identifier is reported only once for each function it appears in.)