Thread: return value of getChar()

what is the return value of getChar method when it is called after end of file has been reached ... as in it has once returned EOF and we call it again wht will be the value is it still EOF or an error condition is there

getchar() dosn't read from a file it reads from a standard input stream - keyboard -

ssharish2005

Originally Posted by ssharish2005

getchar() dosn't read from a file it reads from a standard input stream - keyboard -

ssharish2005

true but getchar() can still return EOF.
consider this example:

Code:

#include <stdio.h>
#include <stdlib.h>

int main() {
    int c;
    while ( (c = getchar()) != EOF ) {
        printf("%c", c);
    }
}

if you call it using input redirection

Code:

testgetch < testgetch.c

>> what is the return value of getChar method when it is called after end of file has been reached ... as in it has once returned EOF and we call it again wht will be the value is it still EOF or an error condition is there
getchar() will continue to return EOF.
Kurt

yes u are right Zuk my bad. we do that for clearing the input buffer somewhere in program as well isn't it. sorry i dint realize at that time.

ssharish2005