Implement in C the cat Unix command using system calls

Implement in C the cat Unix command using system calls


#include<fcntl.h>
#include<sys/stat.h>
#define BUFSIZE 1
int main(int argc, char **argv)
{
   int fd1;
   int n;
   char buf;
   fd1=open(argv[1],O_RDONLY);
  printf("SuhritSolutions Printing Files\n");
   while((n=read(fd1,&buf,1))>0)
   {
    printf("%c",buf);
/*           or
     write(1,&buf,1);  */

   }
   return (0);
}