HI all I am just learning the C++ programing. I am not able to use string class on my program. I installed turboc3 in the system. Include <String.h> libraray and there in INclude directory there is string.h file. but still I am getting the compilation erroe undefined name string I am using like this include <iostream.h> include<string.h> int main() { string a; cin >> a; return 0; } error message a undefined. string not defined could any one help me thanks in advance. could send me mail rawalssm@gmail.com