View Compilation Error

0_0_12664137_20197.cpp:2:9: #include expects "FILENAME" or <FILENAME>
0_0_12664137_20197.cpp: In function `int main()':
0_0_12664137_20197.cpp:14: error: `strlen' undeclared (first use this function)
0_0_12664137_20197.cpp:14: error: (Each undeclared identifier is reported only once for each function it appears in.)