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1. Reference array through pointer (1) Recognize pointers to array elements A variable has an address, and an array contains several elements. Each array element occupies a storage unit in memory, and they all have the same address. The pointer to an array element is the address of the array element. For example: int a[10]={1,2,3,4,5,6,7,8,9 ...

Yesterday, a fish tried to disassemble the integrated version of his homework from the component module version, but he encountered some problems. I found that she didn't use #ifndef and other macro definitions to avoid repeated inclusion of header files. Here are some detailed explanations. 1. Problems To facilitate testing, I created a ...

This article introduces two cases. In this article, the content mentioned in the previous article will be skipped, mainly focusing on new content and knowledge, so it is recommended to read it first 1. A German map vector tile reverse (fast wasm reverse), execute the C code I translated by wasm2c 2. Execute the C code 2 translated by wasm ...

1 Array NO.1 One-Dimensional Array I. Integrated initialization of arrays 1,int a[]={2,4,6,8,9,1,0,11,44,9} (1) Give the initial values of all elements of the array directly in curly braces (2) No need to give the size of the array, the compiler counts for you 2,int b[20] = {2} If the size of the array is given, but the number of subseq ...

catalogue preface Realization idea Design of game framework Game interface design Implementation of game operation Function function Initialization function Print chessboard Lay thunder Determine whether the game is over Calculate the number of nine palaces of gnere Extended demining Mark mine Check thunder source file game.h ...

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backgroundMany online topics about redis have talked about avoiding causing large keys, because deletion will block the main thread. I've seen a comment that a large key of 2G was deleted in the test, and the system was blocked for about 80 seconds.I was asked how to delete a big key during an interview.Recently reading redis5 0.8 source code. ...

We need a little preparation before we begin to write the program. We need to create three files under one project, test c,game.c,game.h. (the file name is self-made, and these three are only taken for ease of understanding), test C file is used to store the main function and test code, game C file is used to realize various function functions, ...

1.strlen find the length of string size_t strlen ( const char * str ); (1) The string takes' \ 0 'as the end flag, and the strlen function returns the number of characters that appear before' \ 0 'in the string (excluding' \ 0 ') (2) The string pointed to by the parameter must end with '\ 0' (3) Note that the return value of the function is siz ...

A file is usually a named storage area on a disk or solid state drive. C mainly adopts the method of file pointer. The operation of files in C + + mainly uses the idea of "file stream" (i.e. non-standard input and output). 1, C C regards a file as a series of consecutive bytes, each of which can be read separately. C provides t ...