C

Four yuan (parents no longer have to worry about giving their children a question) I. Requirements and ideas of Program Design 1. Question Write a program that can automatically generate the four arithmetic questions of primary school. It requires

Hiredis_API description, hiredisapi A) Compile and installMakeMake install (/usr/local)Make install PREFIX = $ HOME/progs (you can specify the installation path as needed) B) Synchronous APIRedisContext * redisConnect (const char * ip, int port

How do you play C !, Playing C Language I saw an article on cool shell. The member arrays and pointers in the C-language structure make me really admire each other. Although Mr. Hao said that he is not a master, he wrote such an article, which makes

C language strcat () function: connection string, strcat string Header file: # include The strcat () function is used to connect strings. Its prototype is:Char * strcat (char * dest, const char * src );[Parameter] dest is the destination string

LibConfuse and libConfusePreface Some parameters are often used in software programming. XML, text files, or databases are generally used in storage. Some parameters on our software platform are stored in XML files. The reading speed is acceptable,

Usage of function pointers in C After understanding the description and pointer in C, it is easy to look at the usage of function pointers. In C, function pointers are mainly used for two purposes: 1. Pass it as a parameter to another function (that

Analyze the C language from a multiplication method, and analyze the C language by multiplication. I encountered a very strange problem yesterday. First, let's look at this Code: 1 #include 2 int main(int argc,char *argv[]) 3 { 4 long num1 = 203

A simple text compiler, simple text Compiler It took a few days, from no idea to writing. Because this is the first time to write such commands interactively, there are many bugs. Format: E/e: Specify the file to be edited Q/q: finish editing R/r

Variable-length message definition in C language: flexible array In the process of game front-end exchange, the message body is often used, because the size of some content is the location, such as a microblog, and the size of Weibo content is

Setjmp and longjmp usage in CC provides the goto syntax. You can use goto to jump to a line of code marked inside the function body, but it cannot jump out of any position outside the function.To solve this problem, the C function library provides

[C Entry, c Entry This article is about setting the attributes of a snake, followed by the previous article (V ).   It is easy to set the speed of a snake, as long as it is not a negative number. void SNK_SetSnakeSpeed(Snake *snake, int speed){

[C Entry, c Entry The food in the game is not as complex as it is. Especially in the greedy Snake game, what I think of food is very simple: 1. It must belong to the world before it can appear in the world. It is impossible for a food that does not

[C Entry, c Entry Snake is the main character of the game, and the features to be implemented are also the most complicated. Because snakes have more than attributes and behaviors. It will change, eat, and grow bigger! And it will die! This is

C-language union and large-end and small-end The usage of the union keyword is very similar to that of struct. Union maintains enough space to place one of multiple data members, instead of configuring space for each data member. All data members

Object-C-code BlockThe code block in OC is an extension of the C language introduced by iOS4.0 + and Mac OS X 10.6 + to implement the features of anonymous functions. Similar to the closures or Lambda expressions in other language scripting or

[C Entry, c Entry I remember that when I learned the C language, I was very envious of watching others write a variety of mini games and software. And myself, although speaking of syntax, but actually writing hundreds of lines of code, it seems

[C Entry, c Entry The code for this series of notes is encoded and tested under Ubuntu 14.04 for no reason, because my laptop only has one Ubuntu system, the only third-party library SDL used is open-source and cross-platform. So even if you are

Struct in C Language Struct type definition: 1 struct student2 {3 int id; 4 char name[10];5 6 }; Note: student is a custom data type, not a variable like int, char is a basic data type, Struct variable definition and reference: 1 struct

Nginx gzip filter module analysis, nginxgzip API: http://refspecs.linuxbase.org/LSB_3.1.1/LSB-Core-generic/LSB-Core-generic/zlib-deflateinit2.html Ngx_http_gzip_header_filter 1. Check whether gzip compression is required for configuration

C Language -- pointer, -- pointerI. pointer 1. pointer declaration format 1> Format: variable type * variable name. For example, char * p defines a pointer Variable p, which can only store addresses. * Remember * it's not a pointer variable name, it'