C Language - Home

• C Programming Language
• Introduction to C programming language
• My first C program
• Structure of a C program
• Steps involved in Compiling a C program using gcc
• What is a C token?
• What is an identifier in C?
• Keywords in C
• Constants in C language
• Operators and separators
• Data types and Format specifiers in C
• What is a variable?
• printf() and scanf() functions
• Assignment operators in C
• Increment and decrement operators in C
• Arithmetic operators in C
• Comparison operators in C
• Logical operators in C
• Bitwise shift operators in C
• Bitwise logical operators in C
• Pointer operators in C
• sizeof operator in C
• Comma operator in C
• Conditional operator in C
• Operator precedence and associativity in C language
• Control flow overview
• Control statements - if statement
• Control statements - if else statement
• Control statements - else if statement
• Control statements - nested if statement
• Control statements - switch statement
• Loop control structure - for statement
• Loop control structure - while statement
• Loop control structure - do while statement
• for, while, do while loop difference
• break statement
• continue statement
• label and goto statement
• expression statement
• compound statements
• Null statement
• Introduction to functions in C
• Function prototype
• Library functions vs User defined functions
• Example for function prototypes in C
• Parameter passing
• Call by value vs Call by reference
• Variable arguments in C
• How to call functions using function pointers?
• main function in C
• Recursive function in C
• Static function in C
• Nested function in C
• Void function in C
• return statement
• Local variable vs global variable in C
• Storage classes in C
• Auto storage class in C
• Register storage class in C
• Static storage class in C
• Extern storage class in C
• What is an array?
• Array declaration
• Array initialization at compile time
• Array initialization at run time
• Accessing array elements in C
• Array classifications
• Multidimensional arrays in C
• Array of characters - strings in C
• What is a structure?
• Structure definition and declaration in C
• Structure initialization in C
• Dot operator in C language
• Nested structure in C
• Array of structures in C
• Pointer to structure in C
• Structure as function arguments in C
• What is a union?
• How to define a union?
• Declaring union variables in C
• How to initialize union variables in C
• How to access union members in C
• Array of unions in C
• Sizeof struct vs union
• Bit Fields in C
• Enumeration data type in C
• typedef in C
• What is a file in C language
• Sequential file access and random file access in C
• Opening and closing files in C
• Various file opening modes in C
• Character input and output functions in C
• Formatted input and output functions in C
• Low level input and output functions in C
• What is a preprocessor?
• Macro expansion in C
• File inclusion in C language
• Conditional compilation in C
• Parameterized macros in C
• #define directive
• #undef directive
• #define vs const
• #if, #elif, #else and #endif
• #ifdef, #ifndef and #endif directives
• #pragma directive in C