C programming the first step

What is programming?
Let’s write a program!
Escape sequence
How to count numbers
Constant
Variable
Declaring and assigning variables
Array
Multidimensional array (array of arrays)
String
printf
scanf
Arithmetic operators
Assignment operator
Compound assignment operators
Increment operator / Decrement operator
Relational operators / Equality operators
Logical operators
Operators
Type conversion
Control statement if
Control statement switch
Loop statement for
Loop statement while
break / continue
Infinite loop
Pointer
Pointer to array （pointer to the first element of array）
Pointer to array (pointer to entire array)
Classification of integer type and character type
Classification of floating point type
Think about 0
Function
Pass by value / Pass by pointer
Pass array to function
const type qualifier
Preprocessor
Standard library functions
Fucntion call between functions
Recursive function call
Structure
typedef declaration
sizeof operator
Array of structure
Assignment of entire structure
Address of structure
Pointer to structure
Pass structure to function
Variable scope and validity period
Linked list
Dynamic memory allocation
time function
File processing
FILE type
Open file
fprintf / fscanf
fputs / fgets
fputc / fgetc
+ of fopen
Text file and binary file
fopen for binary file
fwrite / fread
Bit operators