123xj/main.c

#include <stdio.h>
int main()
{
  printf("                              1.Input\n                              2.Output\n                              3.Order\n                              4.Quit\n");
  
  char a;
  for(;;)
  {
  a=getchar();
  switch(a)
  {
  case'i': printf("You are trying to Input info");break;
  case'o': printf("You are trying to Output info");break;
  case'm': printf("You are trying to Make things ordered");break;
  case'q': printf("You are about to Quit");break;
  case'\n': printf("\n");break;
  default: printf("Wrong input");
  }
  }
		     
	   
}