C Programming

Using C with UNIX

• Writing the Program
• Compiling the Program
• The C Compiler (cc)
• Make, a Program Builder
• Improved Type Checking Using Link
• Running the Program

Constant and Variable Types

• Variables
• Variable Names
• Global Variables
• External Variables
• Static Variables
• Constants
• Arrays

Expressions and Operators

• Assignment Statement
• Arithmetic operators
• Type conversion
• Comparison
• Logical Connectors

Control Statements

• The if else Statement
• The switch Statement
• Loops
• The while Loop
• The do while Loop
• The for Loop
• The break Statement
• The continue Statement
• The goto Statement

Functions in C

• Scope of Function Variables
• Modifying Function Arguments

Pointers in C

• Arrays and Pointers
• Recursive Functions
• Pointers in C
• What is a pointer ?
• Advantages of a pointer
• Declaring pointers
• Using pointers to access the memory locations
• Changing pointers
• Passing and returning pointers to and from the functions
• Pointers to arrays
• Changing pointers
• Passing and returning pointers to and from the functions
• Pointers to arrays

Dynamic Memory Allocation

• Why dynamic memory allocation ?
• Allocating memory dynamically with malloc ()
• Using realloc ()
• Using calloc()
• Working with strings in a dynamically allocated memory.

Input and Output

• The Standard Input Output File
• Character Input / Output
• getchar
• putchar
• Formatted Input / Output
• printf
• scanf
• Whole Lines of Input and Output
• gets
• puts

Handling Files in C

• UNIX File Redirection
• C File Handling - File Pointers
• Standard file pointers in UNIX>
• Closing a file using fclose
• Input and Output using file pointers
• Character Input and Output with
• Files
• Formatted Input Output with File
• Pointers
• Formatted Input Output with Strings
• Whole Line Input and Output using
• File Pointers
• Special Characters
• NULL, The Null Pointer or Character
• EOF, The End of File Marker
• Other String Handling Functions

Structures in C

• Defining a Structure
• Accessing Members of a Structure
• Structures as Function Arguments
• Further Uses of Structures