fopen - meaning and definition. What is fopen
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What (who) is fopen - definition

INPUT/OUTPUT FUNCTIONALITY IN THE C PROGRAMMING LANGUAGE
Sfio; Feof; Fprintf; Sprintf; Snprintf; Vsnprintf; Sscanf; Fscanf; Stdio.h; Vasprintf; Vsprintf; Vfprintf; Vprintf; Cstdio; Getchar; Fgets; Putchar; Fputchar; Fseek; Fclose; Fdopen; Freopen; Fgetc; Vscanf; Vfscanf; Vsscanf; Wikipedia:WikiProject C/stdio.h/feof; Fread; Fflush; Fopen; Fwrite; Stdio; C input/output; Perror; Tmpfile; Gets(); Scanf(); Setvbuf; Setbuf; C file I/O; Ftell; Fputc; BUFSIZ; Puts(); Fputs; Remove (C); Asprintf; Rewind (C); Ferror; Putc; Vwprintf; Fgetws; Fgetpos; Swprintf; Wprintf; Fwprintf; Puts (C); Puts in c; Gets s; Ungetc; Fsetpos; Getc; Tmpnam; Clearerr; Wscanf; Putwc; Fgetwc; Fputwc; Fputws; Fwide; Fwscanf; Getwc; Getwchar; Putwchar; Swscanf; Ungetwc; Vfwprintf; Vswprintf; Standard input/output; FILE pointer; Std::fopen; Std::freopen; Std::fflush; Std::fclose; Std::setbuf; Std::setvbuf; Std::fwide; Std::fread; Std::fwrite; Std::fgetc; Std::getc; Std::fgetwc; Std::getwc; Std::fgets; Std::fgetws; Std::fputc; Std::putc; Std::putwc; Std::fputwc; Std::fputs; Std::fputws; Std::getchar; Std::getwchar; Std::gets; Std::putchar; Std::putwchar; Std::puts; Std::ungetc; Std::ungetwc; Std::fscanf; Std::sscanf; Std::wscanf; Std::fwscanf; Std::swscanf; Std::vscanf; Std::vfscanf; Std::vsscanf; Std::vwscanf; Vwscanf; Vfwscanf; Std::vfwscanf; Vswscanf; Std::vswscanf; Std::fprintf; Std::sprintf; Std::snprintf; Std::wprintf; Std::fwprintf; Std::swprintf; Std::vprintf; Std::vfprintf; Std::vsprintf; Std::vsnprintf; Std::vwprintf; Std::vfwprintf; Std::vswprintf; Std::perror; Std::ftell; Std::fseek; Std::fgetpos; Std::fsetpos; Std::rewind; Std::clearerr; Std::feof; Std::ferror; Std::remove; Std::rename; Std::tmpfile; Std::tmpnam
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DARPA FORESTER         
FOPEN Reconnaisance, Surveillance, Tracking and Engagement Radar; FOPEN Reconnaissance, Surveillance, Tracking and Engagement Radar
The DARPA FORESTER is a technology development program sponsored jointly by the Defense Advanced Research Projects Agency (DARPA) and the U.S.
fprintf         
<library> Variant of the C library routine printf which prints to a given stream. E.g. fprintf(stderr, "%s: can't open file "%s".", argv[0], argv[1]); which prints to the "standard error" output stream. (1995-04-25)
stdio         

Wikipedia

C file input/output

The C programming language provides many standard library functions for file input and output. These functions make up the bulk of the C standard library header <stdio.h>. The functionality descends from a "portable I/O package" written by Mike Lesk at Bell Labs in the early 1970s, and officially became part of the Unix operating system in Version 7.

The I/O functionality of C is fairly low-level by modern standards; C abstracts all file operations into operations on streams of bytes, which may be "input streams" or "output streams". Unlike some earlier programming languages, C has no direct support for random-access data files; to read from a record in the middle of a file, the programmer must create a stream, seek to the middle of the file, and then read bytes in sequence from the stream.

The stream model of file I/O was popularized by Unix, which was developed concurrently with the C programming language itself. The vast majority of modern operating systems have inherited streams from Unix, and many languages in the C programming language family have inherited C's file I/O interface with few if any changes (for example, PHP).

Examples of use of fopen
1. Additional sensors are under development, including a radar called Fopen, which last year was successful in penetrating heavy tree foliage and locating vehicles and enemy fighters in Iraq.