Standard File Input-Output Streams in C Programming

File I/O Streams in C Programming Language :

1. In C all input and output is done with streams
2. Stream is nothing but the sequence of bytes of data
3. A sequence of bytes flowing into program is called input stream
4. A sequence of bytes flowing out of the program is called output stream
5. Use of Stream make I/O machine independent.

Predefined Streams :

1. stdin
2. stdout
3. stderr

Standard Input Stream Device :

1. stdin stands for (Standard Input)
2. Keyboard is standard input device .
3. Standard input is data (Often Text) going into a program.
4. The program requests data transfers by use of the read operation.
5. Not all programs require input.

Standard Output Stream Device :

1. stdout stands for (Standard Output)
2. Screen(Monitor) is standard input device .
3. Standard output is data (Often Text) going out from a program.
4. The program sends data to output device by using write operation.

Some Important Summary :

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