🚀 go-pugleaf

> I am using 2.7.0 of gcc. I am trying to fflush(stdin)
> but it is not working properly.

> int ReadNum(void)
> {
>    int n;   /* input number */
>
>    printf("Enter an integer to be squared: ");
>    scanf("%d", &n);
>    fflush(stdin);   /* advance buffer pointer past newline */

"fflush" with an Input-Stream?
fflush works fine only with an Output-Stream ala stdout, stderr...
see ANSI-C Doc or "man fflush".

Take a string-input over fgets,
errorhandling is easier than sledgehammer-function scanf.
eg.
int n=-1;
char is[100];
if( fgets(is,100,stdin) ) n=atoi(is);