Programming in C & Data Structures

unit - I introduction: special features of C – characteristics of C – structure of C – program – Data types – integer date type – integer variable – rules for naming a variable – Data declaration and expressions – Arithmetic operators – declaration and initialization – combined – integer division – priority of Arithmetic operators – The parentheses – The modules operator – The unary operator – other data types: floating point numbers – type “double” – types char-key words in C. Br>unit - II control statements: the scan function – decision making – The if if else statements and nesting of if statements – updating assignment operator – Increment – Decrement operator –while loop – do while loop – and for loop – Boolean values. Br>unit - III arrays: introduction to arrays – declaring an array – initializing on array – break and continue – strings and character arrays – The br>conditional arrays – functions: introduction to functions – printf scanf functions – user defined functions – local and global variable –parameter for argument – functions with multiple parameter built in C library functions. Br>unit - IV pointers: introduction to pointers and indirection – concept of pointer – strings static and auto classes – sprint br>f strcat strlen scan br>f stremp functions – size of operator – labels and go–structures–introduction–period operator–initializing–passing a structure by reference. Br>unit - V standard input and output – putchar getchar – gets putc file input and output – C processor– define un def include if def if def else – Miscellaneous features – type def – register and external variables.