#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>

#define FIFO_OUT "fifo.c2s."
#define FIFO_IN  "fifo.s2c."

int main(int argc, char ** argv)
{
  int client_id;

  char fifo_in[20];
  char fifo_out[20];

  FILE* readstream;
  FILE* writestream;

  int readfd;
  int writefd;

  printf("Enter id for this client: \n");
  scanf("%d", &client_id);

  if (client_id <=0 || client_id > 2) {
    fprintf(stderr, "Valid client ids are 1 and 2\n");
    return(1);
  }

  sprintf(fifo_in, "%s%d", FIFO_IN, client_id);
  sprintf(fifo_out, "%s%d", FIFO_OUT, client_id);

  fprintf(stderr, "Input fifo:  |%s|\n", fifo_in);

  readstream = fopen(fifo_in, "r");
  if (readstream == NULL) {
    fprintf(stderr, "%s: open of %s\n", strerror(errno), fifo_in);
    exit(1);
  }
  readfd = fileno(readstream);

  printf("Output fifo: |%s|\n", fifo_out);

  writestream = fopen(fifo_out, "w");
  if (writestream == NULL) {
    fprintf(stderr, "%s: open of %s\n", strerror(errno), fifo_out);
    exit(1);
  }
  writefd = fileno(writestream);


  exit(0);
}