View Compilation Error

0_0_6302851_24925.cpp: In function `int main()':
0_0_6302851_24925.cpp:4: error: expected unqualified-id before "char"
0_0_6302851_24925.cpp:4: error: expected `,' or `;' before "char"
0_0_6302851_24925.cpp:6: error: `b' undeclared (first use this function)
0_0_6302851_24925.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6302851_24925.cpp:7: error: `strrev' undeclared (first use this function)
0_0_6302851_24925.cpp:43: error: `stricmp' undeclared (first use this function)
0_0_6302851_24925.cpp:53: error: expected `}' at end of input