Thread: how to define end of the input stream and of the file in c

Hi there is there a way to determine end of the standart input stream and end of a file? I tried to do it like EOF but it doesn't work moreover, as an output it produces weird things.
Here is my code:

Code:

#include <stdio.h>
int strip(char *arr)
{
        int i=0;
        while (1){
                char c =getchar();
                if (c!=' '&& c!= '\t')
                {
                        arr[i]=c;
                        i+=1;
                        printf ("%c\n", c);
                }
                else if (c == EOF){
                printf ("4\n");
                        break;
                }
        }
 while(i>0)
        {
                printf ("%c", arr[i]);
                i-=1;
        }
return 0;
}
int main()
{
        char arr[100];
        printf ("Enter some string: \n");
        strip(arr);
}

what I wanted is to print standart input without spaces utill it gets to the end of the string. and if I am runing it like ./myprog <text.txt
where text.txt contains Hello there .. the output is:

ÿ
ÿ
ÿ
ÿ
ÿ
ÿ
ÿ
ÿ
ÿ
Segmentation fault

Thanks in advance!

getchar() returns an int with good (very good) reason. You must define c as int too.

Other than that, your ifs do not do what you hoped they'd do.
If c is not a space and c is not a tab includes c being EOF; the else part of the if will never run when c is EOF.

Don't know if you're acquainted yet with ctype.h, but it has a function that could be useful here:

Code:

#include <ctype.h>



if (isalpha(c)) {
    etc.


}else if(etc.) {
   //etc.

}