The book contains: Character set, Identifiers, keyword, data types, Constants and variables, statements, expression, operators, precedence of operators, Input-output, Assignments, control structures decision making and branching. Arrays, Functions and Strings: Declaration, manipulation and String ¿ handling functions, monolithic vs. Modular programs, user defined vs. standard functions, formal vs. actual arguments, function ¿ category, function prototypes, parameter passing, recursion, and storage classes: auto, extern, global, static. Pointers, Structures, Unions, File handling: Pointer variable and its importance, pointer arithmetic, passing parameters, Declaration of structures, pointer to pointer, pointer to structure, pointer to function, union, dynamic memory allocation, file managements.