Data Types-:data types “C”language is rich in its data type. storage representation and machine instruction to handle constant differ from machine to machine. the variety of data types available allow the programmer to select the type approach appropriate to the needs of the application as well as the machine.
ANSI supports 3 classes of data types :
1.primary data types
2.derived data types
3.user defined data types
All C compiler support 5 fundamental data type namely integer(int), character (char),floating point(float), double Precision floating point(double) and void. many of them also offer extended datatype such as Long int and long double.