View Compilation Error

0_0_6163314_432.cpp:2:10: #include expects "FILENAME" or <FILENAME>
0_0_6163314_432.cpp: In function `int Change(char*)':
0_0_6163314_432.cpp:21: error: `strlen' undeclared (first use this function)
0_0_6163314_432.cpp:21: error: (Each undeclared identifier is reported only once for each function it appears in.)