So far, the input and output we have discussed is the object of the system-specified standard device (the input device is the keyboard and the output device is the monitor). In real-world applications, disk files are often used as objects. The data
Reprint please indicate source: http://blog.csdn.net/cywosp/article/details/389652391. Overviewin the Linux system, everything can be considered as a file, and the file can be divided into: Ordinary files, directory files, linked files and device
Relationship between file descriptors and open files in LinuxRelationship between file descriptors and open files in LinuxGuideThe kernel uses file descriptor to access files. The file descriptor is a non-negative integer. When an existing file is
C-based file operations
In ANSI C, the operation of the file is divided into two ways, that is, streaming file operations and I/O file operations, respectively, described below.
One, streaming file operation
The file operations in this way have an
Various file extensions and open methods ------ it's a little long, it's okay to spend more time ,:)Open extension file type. AIFF audio file Windows Media Player.!!! NetAnts temporary file NetAnts. Ani animated mouse. ARJ compressed File ARJ. AVI
Reprint please indicate source: http://blog.csdn.net/cywosp/article/details/389652391. OverviewIn the Linux system, everything can be considered as a file, and the file can be divided into: Ordinary files, folder files, linked files and device files.
Fgets (read a string from the file)Related functions: open, fread, fscanf, GETCHeader file include Define the function char * fgets (char * s, int size, file * stream );Function Description: fgets () is used to read characters from the file referred
1
C file operations
FileBasic concepts of FilesThe so-called "file" refers to an ordered set of related data. This dataset has a name called a file name. In fact, we have used files many times in the
Http://www.weixueyuan.net/view/5825.htmlIf the program's running results are displayed only on the screen, you must rerun the program again when you want to view the results again, and the result cannot be persisted.If you want the results of your
FILE descriptor and FILE, FILE descriptor FILE1. file descriptor (important)
In Linux, everything can be viewed as a file, which can be divided into common files, directory files, link files, and device files. File descriptor is an index created by
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