file offset

I have known asynchronous IO for a long time, but it has not been used recently to solve the actual problem (in a CPU-intensive application, some data to be processed may be stored on the disk. The location of the data is known in advance, so an

Windows socket Extension function and socket Extension function 1. AcceptEx () AcceptEx () is used to receive connections asynchronously and obtain the first piece of data sent by the client program.   [Cpp]View plaincopy BOOL AcceptEx ( _ In _

Linux: The best IDE in linux and its cracking-SlickEdit-general Linux technology-Linux programming and kernel information. For more information, see the following. First, download the software. Search for a version named 11forlinux on thunder and

One, type conversionBelow is a list of common types of conversions. C + + Types C # types Remark description Int Int16, Int32 No suspense, direct conversion Uint UInt16, Uint32, int

1. Familiar with the concepts of data and commands, as well as loading concepts related to the early stage (completed) and learning to write and compress the shell series.2. Structure Analysis of pe files (completed) learn to write compression shell

This article is in accordance with the "0day security" in the Book of the experiment Step by step, for the disassembly also has a new understanding.Tools: WinXP SP3 virtual machine, IDA Pro 6.6,OLLYDBG,ULTRAEDITOR,VC 6.0,LORDPE.Because in the Win7

Where is BMP in the end is sacred?The BMP file format, also known as bitmap (bitmap) or DIB (Device-independent devices, device-independent bitmaps), is a widely used image file format in Windows systems. Since it can save the data of the image

In doing scientific research, the implementation of some big data algorithm, often to call some file I/O functions, in the large amount of data, in addition to the design of algorithms and data structure of time, in fact, the main time is the file I/

UNIX systems support the sharing of open files between different processes. The kernel uses 3 data structures to represent open files, and the relationship between them determines the possible impact one process may have on another process in terms

Va&rva VA refers to the absolute address of the virtual memory of the process, the RVA (Relative virtual address, relative virtual addresses) refers to the relative address starting at a base location (ImageBase). VA and RVA meet the

(Original content, no reprint)Prior to the general understanding of the PE format, elf format, COFF format and layout of memory layout and stack, this direct combat anti-compilation.Reference book: 1.0day Security: Software Vulnerability Analysis

ELF file format Analysis Basic Knowledge:1.ELFthree types of files:L Can reposition:Compiler and Assembler creationNeeds to be handled by the linker before it can runL ExecutableAll relocation work and symbolic parsing completedIn addition to the

Most file I/O requires only 5 functions: Open, read, write, Lseek, closeThis chapter describes the I/O without buffering (read write calls a system call in the kernel)File descriptorFor the kernel, all files are referenced by a file descriptor.The

Good data structure, for retrieving data, the efficiency of inserting data is very high.Common data StructuresB + TreeThe root node and the minor point are simple, record the minimum value of each leaf node separately, and point to the leaf node

Hi everybody good last two chapters introduced the NAMESRV start and the registration process, has what is wrong place to welcome everybody to vomit the trough, then starts analyzes the broker bar650) this.width=650; "src=" http://s3.51cto.com/wyfs02

Do not mention the three stages of learning to crack: Elementary: modify the program. Use ultraedit and other tools to modify the exe file. It is called brute-force cracking, or brute-force cracking. Intermediate: gets the registration code of the

Document directory How to Write a simple virus program How to Write a simple virus program Author: QQ: 273764089Author's mailbox: [email] 273764089@qq.com [/Email]Author blog: http://hqsoft.blogdriver.comReprinted please indicate the source: http:

Author: msdnAuthor: Li Ma (http://home.nuc.edu.cn /~ Titilima) Summary Windows NT 3.1 introduces a new executable file format named PE file format. The PE file format specification is included in the msdn Cd (specs and strategy, specifications,

1. Five reverse lookup tools Maybe you will say, reverse lookup or something, just a map container to get it done, there is something to say. Indeed, the simplest thing is. Even so, you have to prepare words, five codes, a root chart, and their

File filter driver 1. Transparent file encryption and decryption Keywords: transparent, file filter driver, encrypted ID, Cache   The most important two aspects of the file filter driver are to manage the encrypted identity and cache.1. concept of