Thread: Newbie needing simple help

I am a hardware engineer teaching myself C from the K&R second edition bible to allow me to do some basic low level testing of my hw before handing it over to the sw guys.

I have downloaded MinGW to use on my pc and have added MinGW\bin to my environment variables. i have created a few wee bits of code from chapter 1 that have ran fine from my windows command prompt but am having problems with EOF.

the simple code i am running is:

Code:

#include <stdio.h>

main()
{
   int c;
   
   while ((c = getchar()) != EOF)
      putchar(c);
}

I get the warning when i compile : no newline at end of file. as i am only putting in characters from the keyboard as oppose to a file, how do i get around this.

Ex1_6 in the book asks me to verify that EOF = 0 or 1, however, entering this does not exit the program ( i also know that the value for EOF = -1 but entering this value does not exit the program either - is this an ANSCII thing)

Its a simple beginner problem, but one i would like to get to the bottom of none the less.

Any help would be greatly appreciated.

cheers in advance, gems

You hit enter at the end to make sure there's a blank line at the bottom of the file.

On Windows, EOF is Ctrl-Z.

Nice one, thanks for that - ctrl Z worked a treat.

cheers dear, gems