i have got a question about the bool data type. is the 'bool' datatype comes under 'C' datatypes. well, it might be a stupid question, i dont no. the thing i ask u about this b'cose, on the other day i used bool on DEV -C++ compiler which actually at the end should me an error telling me bool is undefined datatype. but i remember that i have used 'bool' which actually worked with some other compiler. but i cant remember whcih compiler it is. it is a along time i have used that compiler.