GNU Info
(libc.info)I/O on Streams
Input/Output on Streams *********************** This chapter describes the functions for creating streams and performing input and output operations on them. As discussed in Note: I/O Overview, a stream is a fairly abstract, high-level concept representing a communications channel to a file, device, or process.
Streams- About the data type representing a stream.
- Standard Streams
- Streams to the standard input and output devices are created for you.
- Opening Streams
- How to create a stream to talk to a file.
- Closing Streams
- Close a stream when you are finished with it.
- Streams and Threads
- Issues with streams in threaded programs.
- Streams and I18N
- Streams in internationalized applications.
- Simple Output
- Unformatted output by characters and lines.
- Character Input
- Unformatted input by characters and words.
- Line Input
- Reading a line or a record from a stream.
- Unreading
- Peeking ahead/pushing back input just read.
- Block Input/Output
- Input and output operations on blocks of data.
- Formatted Output
- `printf' and related functions.
- Customizing Printf
- You can define new conversion specifiers for `printf' and friends.
- Formatted Input
- `scanf' and related functions.
- EOF and Errors
- How you can tell if an I/O error happens.
- Error Recovery
- What you can do about errors.
- Binary Streams
- Some systems distinguish between text files and binary files.
- File Positioning
- About random-access streams.
- Portable Positioning
- Random access on peculiar ISO C systems.
- Stream Buffering
- How to control buffering of streams.
- Other Kinds of Streams
- Streams that do not necessarily correspond to an open file.
- Formatted Messages
- Print strictly formatted messages.
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