C Language Notes

"C-Language drip"

Pointer variable meaning the variable that holds the address

Short *ptr; (Create a pointer variable that points to a short address length)

Pointers are used for reference, and arrays are used to define the

Pointer: An XX-type pointer should point to an XX-type address.

Array: An array of type XX, which is an address of type XX.

callback function: A function that is called through a pointer variable. I can tune, you can tune the others.

#include <assert.h>

#define Ndebug

Assert function

Memory pool: One-time application of a large chunk of memory, etc., and then released before use. (Prevent memory fragmentation, queue thinking)

A[3]=3[a]; Compiler mischief.

"" Current directory find,<> library file directory

Structure and Union

Usage of volatile, extern, const, static and other keywords, pre-compilation when effective

TCP/IP theory

The difference between stacks

sizeof and Strlen

feof stream, file data manipulation

C Language Notes