string input under devel

#include <stdio.h>
int main()
{
        int i, c, arr[10];
        for(i = 0; i < 10; i++)
                arr[i] = 0;
        i = 0;
        while((c = getchar()) != EOF) {
                arr[i] = c;
                i++;
        }
        arr[i] = '\0';
        printf("%s\n",i,arr);
        return 0;
}