View Compilation Error

0_0_14011002_16534.cpp: In function 'void search(int)':
0_0_14011002_16534.cpp:26:34: error: 'strcmp' was not declared in this scope
    if(strcmp(co[i].col [j],sum[m])==0)
                                  ^
0_0_14011002_16534.cpp:33:1: error: a function-definition is not allowed here before '{' token
 {
 ^
0_0_14011002_16534.cpp:48:1: error: expected '}' at end of input
 }
 ^