ftell

Learn about ftell, we have the largest and most updated ftell information on alibabacloud.com

Replication of single-file content in Linux

general methods for file content replication: Open up a space, constantly read the contents of the file and write to another file, this method is safe, generally within the maximum range allowed by the type is safe, the disadvantage is that

C language File read-write operation summary __c language

C language File read and write operation summary C Language File operation I. Reading and writing of standard documents 1. Open the file The open operation of the fopen () file means that the file specified by the user is allocated a filename in

Linux Learning 7-file operations

Standard I/O library common functions use1.fopen functions: Input and output for files and terminals.#include FILE * fopen (const char* filename, const char *mod);2.fclose function: Closes the specified file stream stream.#include int fclose (FILE

Operations related to getting file size in C Language

Operations related to getting file size in C LanguageOperations related to getting file size in C Language   Description Generally, you want to assign all the data from the file to an array or a pointer, and then perform related data processing,

Implement HTTP protocol get, post, and file upload functions--design and modules

I've written before, "using the WinHTTP interface for HTTP protocol get, post, and file Upload," which describes how to use the WinHTTP interface to implement HTTP GET, post, and file upload capabilities. I later found out that a lot of people were

MATLAB file operations

1, MATLAB file operation mainly has three steps: first open the file, then read and write to the file, and finally close the file.2, Fid=fopen (file name, open mode) ' R ' Read-only, file must exist (default open mode)

Introduction to common file operation functions in php _ PHP Tutorial

Common File operation functions in php. Summary of common functions used for php file operations, including file read/write, creation, viewing file attributes, file deletion, and other file operations. Summary of common functions used for php file

How to get the file size in Linux

1. Shell // Obtain the used disk space in bytes. # Ifdef _ Linux Sprintf (CMD, "cd % s; find. -Name /"*. */"| xargs LS-L | awk '{size + = $5} end {print size }'", Str_filepath.c_str ()); // Sprintf (CMD, "Du-S % S | awk '{print $1}'", str_filepath.c_

Reproduced C + + file read and write functions--fopen, fread and Fwrite, fgetc and FPUTC, Fgets and Fputs, FTELLF and fseek, rewind

Http://blog.sina.com.cn/s/blog_61437b3b0102v0bt.htmlhttp://blog.csdn.net/chenwk891/article/details/8776479 in c\c++, the file operations are implemented by the library function, mainly divided into two types of read and write operations, the

"C Interface" Fast Get File Size properties

unsigned long oem_fota_get_file_size (const char *path) { unsigned long filesize =-1; FILE *FP; fp = FOPEN (path, "R"); if (fp = = NULL) { log_info (Oem_log_error, "Open:%s fail\n", path); return filesize; }

C language to get the file size sample _c language

1.fseek Function Prototypes: Copy Code code as follows: int fseek (FILE * stream, long int offset, int origin); Parameter description: Stream, file stream pointer, offest, offset, Orgin, original (beginning position). The

C + + file operations (i): File pointer __c++

The language file system is called a stream file (stream), text stream (body file), binary stream (binary file) buffer and non-buffered file sequence operation file and random operation file sequence file: Read/write the K block before

You should be in this position. Learn PHP (4)

1、fopen() fwrite() fclose() fiel_put_contents1) fopen (path,′xx′) Open a file xx=r read-only open and point the pointer to the head xx=r+ read-write mode to open xx=w write, and empty the contents of the file, the pointer executes the head, does not

Summary of common functions of PHP

Mathematical functions1.abs (): Absolute value$abs = ABS (-4.2); 4.2 Numeric Absolute number2.ceil (): Into a method to take the wholeecho ceil (9.999); 10 floating point number in one rounding3.floor (): Rounding off the Rounding methodecho Floor (9

Super Small PHP Pony summary (easy to find back door friends) _php instance

Author: Spider I've got a little php pony, too. Copy Code code as follows: Header ("content-type:text/html; charset=gb2312 "); if (GET_MAGIC_QUOTES_GPC ()) foreach ($_post as $k => $v) $_post[$k] = stripslashes ($v); ?>

Code _php tips for using ffmpeg to get FLV video thumbnails and video time

Description of the problem; get the thumbnail and video time length of the FLV video Google for half a day found that you can use FFmpeg to get some information about the video, first introduce FFMEPG Here's a simple: FFmpeg is a

CGI program _cgi

1. header file #include 2, while (Fcgi_accept () >=0)//Here into the cycle, the front desk every request once fcgi service, on the cycle once In-loop processing: Char *query_string=getenv ("query_string"); 3, from the query_string to resolve the

The basic course of C language (iii) input and output functions and control flow statements (10)

3. Random reading and writing of files Sometimes the user wants to read the information directly in the middle of the file, it is obviously inconvenient to read and write in the file in order to start from the file header until the required file

Cocos2d-x File Operations

To save the custom data File, you need to save the File and read the File, that is, File IO processing; For cocos2d-x we can through FileUtils: getInstance To save the custom data File, you need to save the File and read the File, that is, File IO

C language file processing related functions

C Language of the file processing related functions, in fact, also used more, this time in writing a file processing class, the first thought of using a file pointer to operate, but the sad reminder is a long time did not cross the file operation

Total Pages: 15 1 .... 6 7 8 9 10 .... 15 Go to: Go

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.