View Compilation Error

664365_0_0_25015.cpp: In function `int searchMaxSubString(char*)':
664365_0_0_25015.cpp:20: error: `strrev' undeclared (first use this function)
664365_0_0_25015.cpp:20: error: (Each undeclared identifier is reported only once for each function it appears in.)
664365_0_0_25015.cpp: In function `int main()':
664365_0_0_25015.cpp:48: error: cannot convert `char (*)[100]' to `const char*' for argument `1' to `size_t strlen(const char*)'
664365_0_0_25015.cpp:50: error: cannot convert `char (*)[100]' to `const char*' for argument `2' to `char* strcpy(char*, const char*)'