View Compilation Error

0_0_18071829_7723.cpp: In function 'int findIndex(char*)':
0_0_18071829_7723.cpp:15:29: error: 'strcmp' was not declared in this scope
         if(strcmp(ch,name[i])==0)
                             ^
0_0_18071829_7723.cpp: In function 'void init()':
0_0_18071829_7723.cpp:36:29: error: 'memset' was not declared in this scope
     memset(map,0,sizeof(map));
                             ^