C Language Zemi

Basic grammar of C language

This is the basic grammar of C language.

main function

• main function
• command line arguments

Comments

• Comments

Variables

• Local variables
• Global variables
• C scope

Numerical calculation

• Four arithmetic operations on integers
• Floating point arithmetic operations
• Bitwise operator
• Shift operator

Operator precedence

• Operator precedence

Array

• Array

Conditional branch

• if statement --conditional branching
• Comparison operator
• False value
• switch statement --fast conditional branching of integers

Repeat statement

• for statement-repeated syntax
• while statement-repeating syntax
• continue statement-move to the beginning of the next loop
• break statement --break out of loop block or switch block

String

• String
• Character literal
• String literal

Structure

• Structure-Composite Data Type
• Union-Data Sharing

Enumeration

• enum --enumeration

Pointers and addresses

• Pointers and addresses
• Pointer operation

Dynamic allocation of memory

• Dynamically allocate memory
• sizeof operator

type

• Type cast
• Implicit type conversion
• C type conversion rules
• typedef statement-create a type alias
• List of types

Function

• Function definition
• Function Prototype Declaration
• Function pointer

File input / output

• File input / output

Library

• Reading header file
• List of libraries

Proprocessor

• Proprocessor