#include <stdio.h>
#include <unistd.h>
#include <sys/stat.h>
#include <string.h>
#define FIFO_FILE1   "MYFIFO.1"
#define FIFO_FILE2   "MYFIFO.2"
int main(void)
{
   FILE *fpr, *fpw;
      char readbuf[80];
      int n;
         /* Создаем FIFO, если он еще не существует */
               mkfifo(FIFO_FILE1, S_IRUSR|S_IWUSR);
               mkfifo(FIFO_FILE2, S_IRUSR|S_IWUSR);
               //fpr = fopen(FIFO_FILE1, "r");
               //fpw = fopen(FIFO_FILE2, "w");
                  while(1)
                     {
                           fpr = fopen(FIFO_FILE1, "r");
                           //fpw = fopen(FIFO_FILE2, "w");
                           printf("Wait...");
                                 //fgets(readbuf, 80, fpr);
                                 fscanf(fpr,"%s %d",readbuf,&n);
                                 fclose(fpr);
                                 n=strlen(readbuf);
                                       printf("Data: %s, len=%d\n",readbuf,n);
                                       //fprintf(fpw,"Gets %n bytes",strlen(readbuf));
                                       //readbuf[n]='A';
                                       //readbuf[n+1]='\n';
                                       fpw = fopen(FIFO_FILE2, "w");
                                       //n=fputs(readbuf,fpw);
                                       fprintf(fpw,"%d",n);
                                       printf("Sent:%d\n",n);
                                       //sleep(10);
                                             //fclose(fpr);
                                             fclose(fpw);
                                                }
                                                   return(0);
                                                   }