#include<stdio.h>
#include<unistd.h>
#include<string.h>
#include<fcntl.h>
#include<sys/stat.h>
#include<sys/types.h>
#include<ctype.h>

int main()
{

 char *myfifo="/home/konrad/Pulpit/program2.1/pipe";
 int fd;
 char tab[30];
 fd=open(myfifo,O_RDONLY);
 //fgets(tab,30,stdin);
 read(fd,tab,31);
 for(int i=0;i<30;i++)
 {
  if(islower(tab[i])) tab[i]=toupper(tab[i]);
 }
 close(fd);
 fd=open(myfifo,O_WRONLY);
 write(fd,tab,31);
 close(fd);
 return 0;
}