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

int main(int argc, char** argv) {
    FILE* f;
    int i;
    f=fopen("/dev/ttyS0","r+");
    for (i=0; i<8; i++) fputs("Router>\n",f);
    for (;;) {
        i=fgetc(f);
        //fputc(i,f);
        if ((i==13)||(i==10)) fputs("Router>",f);
    }
}