Question

Modify the program so that it prompts the user to enter an entire line, reads the line, then echoes the entire line. Read only one byte at a time from the keyboard.Explain what you did.

#include 

int main(void)
{
  char aLetter;

  write(STDOUT_FILENO, "Enter one character: ", 21); // prompt user
  read(STDIN_FILENO, &aLetter, 1);                   // one character
  write(STDOUT_FILENO, "You entered: ", 13);         // message
  write(STDOUT_FILENO, &aLetter, 1);                 // echo character
      
  return 0;
}

Answer 1