View Compilation Error

2_28141_2115583_32702.cpp: In function 'void max(char (*)[100], int)':
2_28141_2115583_32702.cpp:17:21: error: 'strcpy' was not declared in this scope
 strcpy(string,str[0]);
                     ^
2_28141_2115583_32702.cpp:19:25: error: 'strcmp' was not declared in this scope
  if(strcmp(str[i],string)>0)
                         ^