define  O_WRONLY    01
#define O_APPEND    02000

int main(void)
{
    // fd is an indentifier for the file that we are going to work with
    int fd;
    // We open the file with the write or append mode, so you will
    // have to create the file testfile.txt in the current directory.
    fd = open("jobby.txt", O_WRONLY|O_APPEND, 0);


    if(fd < 0)
        return 2;
     char str[10]= "";
  char buf1[] = "Please type username and hit Enter: ";
  write(1, buf1, sizeof(buf1));
   read (0, str, 10);
  write(fd,str, sizeof(str));

 char str1[10]= "";
  char buf2[] = "Please type in a password and hit Enter: ";
  write(1, buf2, sizeof(buf2));
   read (0, str1, 10);
  write(fd,str1, sizeof(str));

char str2[10]= "";
  char buf4[] = "Please re-enter password and hit Enter: ";
  write(1, buf4, sizeof(buf4));
   read (0, str2, 10);
  write(fd,str2, sizeof(str));

if(sizeof(str1)==sizeof(str2))
{
char buf5[] = "n password match: ";
  write(1, buf5, sizeof(buf5));
}
else
{
char buf6[] = "n password mismatch: ";
  write(1, buf6, sizeof(buf6));
}