05-14-2007
c programming language
Can someone enligten me on what below program does?
I understand getchar and putchar.. but what is this program suppose to do?
I try to put printf on it, but it shows nothing..
can someone explain to me what this program is suppose to do?
It is reading something and assigning to c?
so, if I do, ./a.out filename , will it assign entire filename's content into c?
#include <stdio.h>
/* copy input to output; 1st version */
main()
{
int c;
c = getchar();
while (c != EOF) {
putchar(c);
c = getchar();
}
}
6 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
I see you guys encouraged people studied and used C while they were working on UNIX. Does C++ or JAVA matter? And in the past threads, Neo, PxT, and other members recommanded lots good books. I think those people who asked for the references, such as Dominic, had experiences on sys admin or... (8 Replies)
Discussion started by: HOUSCOUS
8 Replies
2. UNIX for Dummies Questions & Answers
Hello,
I am trying to learn Networking Programming in C in unix enviorment. I want to know how good it is to become a network programmer. i am crazy about Network programming but i also want to opt for the best carreer options. Anybody experienced Network Programmer, please tell me is my... (5 Replies)
Discussion started by: vibhory2j
5 Replies
3. UNIX for Dummies Questions & Answers
I need a small and simple clarification...
Can someone tell me whether PERL is a programming language or not.
Also, can shell scripts also considered as programming language or not.
Also, please tell me the exact difference between programming language and scripting.
Please help.... (3 Replies)
Discussion started by: Anjan1
3 Replies
4. Programming
I'm wondering how programmers develop new Web Development languages because I want to learn how everything begins from the start. Let's say I'm planning to write a new language for the Web. How do I do this? Is there anyone who knows about the way Web Development languages first appear ? I'm asking... (1 Reply)
Discussion started by: Anna Hussie
1 Replies
5. Programming
I want to create a computer program that will translate from English to Spanish and vice versa. So someone could type in a word, phrase, or paragraph and translate from one language to another. What programming language would I use to write up the code and then implement this program?
I want to... (8 Replies)
Discussion started by: Anna Hussie
8 Replies
6. Programming
I'm wondering how programmers develop new Web Development languages because I want to learn how everything begins from the start. Let's say I'm planning to write a new language for the Web. How do I do this? Is there anyone who knows about the way Web Development languages first appear ? I'm... (3 Replies)
Discussion started by: Anna Hussie
3 Replies
LEARN ABOUT DEBIAN
explain_putchar_or_die
explain_putchar_or_die(3) Library Functions Manual explain_putchar_or_die(3)
NAME
explain_putchar_or_die - output of characters and report errors
SYNOPSIS
#include <libexplain/putchar.h>
void explain_putchar_or_die(int c);
DESCRIPTION
The explain_putchar_or_die function is used to call the putchar(3) system call. On failure an explanation will be printed to stderr,
obtained from explain_putchar(3), and then the process terminates by calling exit(EXIT_FAILURE).
This function is intended to be used in a fashion similar to the following example:
explain_putchar_or_die(c);
c The c, exactly as to be passed to the putchar(3) system call.
Returns:
This function only returns on success. On failure, prints an explanation and exits.
SEE ALSO
putchar(3)
output of characters
explain_putchar(3)
explain putchar(3) errors
exit(2) terminate the calling process
COPYRIGHT
libexplain version 0.52
Copyright (C) 2008 Peter Miller
explain_putchar_or_die(3)