1: #include "bmi.h" 2: string in_Str2Low (string& s) { 3: char* buf = new char[s.length()]; 4: s.copy(buf, s.length()); 5: for(int i = 0; i < (int)s.length(); i++) 6: buf[i] = tolower(buf[i]); 7: string r(buf, s.length()); 8: delete buf; 9: return r; 10: } 11: