Jun 8, 2017 · I am a bit confused regarding the implementation of stdin. What exactly is it? Is it a pointer? I tried to print the size of stdin using sizeof on a 64 bit machine and got 8. I even de …

Aug 2, 2010 · Most programs need to read input, write output, and log errors, so stdin, stdout, and stderr are predefined for you, as a programming convenience. This is only a convention, and is not …

How do I read from standard input (stdin)?There's a few ways to do it. sys.stdin is a file-like object on which you can call functions read or readlines if you want to read everything or you want to read …

I want to read the name entered by my user using C programmes. For this I wrote: char name [20]; printf ("Enter name: "); gets (name); But using gets is not good, so what is a better way?

Aug 8, 2011 · Reading from stdin into a variable or from a file into a variable. Most examples in the existing answers use loops that immediately echo each of line as it is read from stdin.

Jun 9, 2016 · stdin is an "input stream", which is an abstract term for something that takes input from the user or from a file. It is an abstraction layer sitting on top of the actual file handling and I/O.

Feb 27, 2013 · 26 stdin is a default FILE pointer used to get input from none other than standard in. STDIN_FILENO is the default standard input file descriptor number which is 0. It is essentially a …

How to read from stdin with fgets ()? Asked 15 years, 1 month ago Modified 3 years, 2 months ago Viewed 292k times

May 30, 2023 · No. Assigning to stdin, stdout, and stderr must be avoided for strict conformance to the C language specification (which roughly equates to "to keep things portable"). If you want to associate …

Jan 26, 2015 · 5 You can just read from stdin unless the user supply a filename ? If not, treat the special "filename" - as meaning "read from stdin". The user would have to start the program like cat file | …