I also want to learn C language-Chapter 2: Return pointer values of the function and pointer to the function and logical and algorithm Separation

I have not studied today! I went to the hospital to complete my teeth. There is a hole in the teeth. However, I am still listening to the compilation language video tutorials of Sun Yat-sen University while filling my teeth. Although I can only

Code that inserts itself into the IE Process

# Include # Include # Pragma comment (lib, "ntdll. lib ") Typedef long NTSTATUS; NTSYSAPINTSTATUSNTAPIZwUnmapViewOfSection (HANDLE ProcessHandle,PVOID BaseAddress); Typedef struct _ ChildProcessInfo{DWORD dwBaseAddress;DWORD dwReserve;} CHILDPROCESS;

No.1 _ sizeof and strlen

= [Note] =Programming Language is just a tool for us to communicate with computers and let computers realize our creative ideas. It can and encourages us to gain an in-depth understanding of a language, but never indulge in the tip of a language, be

2. std: size () length () capacity () of string ()

Test found1. std: string value (2, 'A ');Result: value. size () = value. length () = 2; value. capacity () = 31Std: string value (31, 'A ');Result: value. size () = value. length () = value. capacity () = 31; 2. std: string value (32, 'A ');Result:

Effective use and design of COM smart Pointers-clause 11

Clause 11: create resources and Query Interfaces in a type-safe mannerThe following method is not uncommon in the compilation of COM components: View plaincopy to clipboardprint? Void func (){IX * pIX = NULL;HrRetCode = CoCreateInstance

How to make the function return an array

This is a very elementary problem, but it may be a headache for beginners who do not know it. In C ++, the function cannot directly return an array, but the array is actually a pointer, so the function can return a pointer. For example, a matrix

Beginner GtkBuilder interface development (refresh)

Preliminary ExplorationGtkBuilderInterface Development Initial ideas It cannot be too complex, but it cannot be too simple, because there is no content and nothing to learn. The interface for this development should at least be like this: 1. There

An important data structure in linux C-struct

As we all know, Linux kernel is implemented by C language and a small part of Assembly. How can we ensure the clarity and correctness of the system organization in such a large system with a process-oriented C language? In fact, although the C

Analysis of C language file operations (IV)

In addition to open and read/write operations, file operations also have several common operations. The following describes the functions involved in these operations. I. Function for moving the position pointer The rewind and fseek functions are

One-step write algorithm (quick sorting)

  [Disclaimer: All Rights Reserved. You are welcome to reprint it. Do not use it for commercial purposes. Contact Email: feixiaoxing @ 163.com]         Quick sorting is a sort method that is often used in programming. However, many friends are

One-step write algorithm (one-way linked list)

  [Disclaimer: All Rights Reserved. You are welcome to reprint it. Do not use it for commercial purposes. Contact Email: feixiaoxing @ 163.com]         Sometimes, data in the memory is not continuous. At this time, we need to add an attribute in the

Write algorithms step by step (to climb the stairs)

  [Disclaimer: All Rights Reserved. You are welcome to reprint it. Do not use it for commercial purposes. Contact Email: feixiaoxing @ 163.com]         When I got online two days ago, I saw a particularly interesting question. Here I will share with

Integer Points and Pick Theorem

  PickThe area of the polygon whose vertex is an integer is S, the Integer Points inside the polygon are N, and the Integer Points on the polygon boundary are L N + 1/2-1 = S. The Calculation of N and L is given by the following program: Typedef

Use two stacks to implement the source code of the queue

  /* * Use two stacks to implement queues */ # Include # Include Typedef struct stack { // Used to save Elements Int *; // Current subscript Int loc; // The maximum number of elements in the stack Int max; } St; /* * Initialize a stack of the

Analysis of differences between C language (1) char * p and char p [] from the perspective of Assembly

  C language code:       # Include # Include   Void main () { Char array1 [] = {"123456 "}; Char * pointer1 = "123456 "; } Assembly code:       (Gdb) disassemble main Dump of worker er code for function main: 0x08048394 : push % ebp 0x08048395 :

The shortest path from one node to another in an undirected graph (path with the least number of edges) (stored in an adjacent table)

  // The shortest path (path with the least number of edges) from one node to another in an undirected graph. cpp: Defines the entry point for the console application. // # Include "stdafx. h" # Include # Deprecision MAX 100 # Define MAXQ 50 Using

Write the algorithm step by step (under the prim algorithm)

  [Disclaimer: All Rights Reserved. You are welcome to reprint it. Do not use it for commercial purposes. Contact Email: feixiaoxing @ 163.com]         In the first two blogs, we discussed the algorithm of the prim minimal spanning tree and were

[C Language] Note q = (++ j) + (++ j) Value

Different compilers may produce different codes, resulting in different results.   The Code is as follows: #include j = q =(++j)+(++j)+(++ }   Environment: win7 Compiler: GCC IDE: vc ++ 6.0/DEV-C ++ Result: q = 22 : Q = (++ j) + (++ mov eax,

Libpcap packet capture source code

* Program function: Only output the captured data packets to the Source Target host whose network access layer header is Ethernet protocol Internet layer header is ip4 transport layer header is tcp, mac address, IP address, port Number */  * Program

Analysis of C language file operations (1)

  Before discussing how to operate a C-language file, let's take a look at the file-related items.   I. Text Files and binary files   Definition of a text file: a computer file consisting of several lines of characters, which is stored in a computer

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