
c - What exactly is stdin? - Stack Overflow
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 …
Confused about stdin, stdout and stderr? - Stack Overflow
Aug 2, 2010 · These values are always used for stdin, stdout, and stderr: 0: stdin 1: stdout 2: stderr Ironically I found this question on stack overflow and the article above because I was searching for …
How do I read from stdin? - Stack Overflow
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 …
What is stdin in C language? - Stack Overflow
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.
stdin - How to read from a file or standard input in Bash - Stack Overflow
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.
stdin - How do I read a string entered by the user in C ... - Stack ...
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?
Why are stderr, stdin, stdout defined as macros? - Stack Overflow
May 30, 2023 · C99 defines these three as macros that "are expressions of type ‘‘pointer to FILE’’ that point to the FILE objects associated, respectively, with the standard error, input, and output …
c - How to read from stdin with fgets ()? - Stack Overflow
How to read from stdin with fgets ()? Asked 15 years, 1 month ago Modified 3 years, 2 months ago Viewed 292k times
c - Read from file or stdin - Stack Overflow
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 | …
What is the difference between stdin and STDIN_FILENO?
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 …