DMP - Chapter 8

Character I/O and redirection

• getchar(), putchar()
• Buffers
• Files, streams, and keboard input
• The EOF
• Redirection and files

  /* For Mac only */
  #include < stdio.h>
  #include < console.h>
  
  void main(void)
  {
  	int ch;
  	ch = (int)NULL;
  
  	printf("Default mode\n");
  	while (ch != '~')
  	{
  		ch = getchar();
  		putchar(ch);
  	}
  
  	ch = (int)NULL;
  	csetmode(C_ECHO, stdin);
  	printf("mode == C_ECHO\n");
  	while (ch != '~')
  	{
  		ch = getchar();
  		putchar(ch);
  	}
  
  	ch = (int)NULL;
  	csetmode(C_CBREAK, stdin);
  	printf("mode == C_CBREAK\n");
  	while (ch != '~')
  	{
  		ch = getchar();
  		putchar(ch);
  	}
  	
  	ch = (int)NULL;
  	csetmode(C_RAW, stdin);
  	printf("mode == C_RAW\n");
  	while (ch != '~')
  	{
  		while ((ch = getchar()) == EOF)
  			;
  		putchar(ch); 
  		printf("%d ", ch);
  	}
  
  }
  
  

Assignment #8: Due Nov. 16, 1995.

Answer: word_count.c