最后一个getch()有起什么用.可不可以不用;

# include <stdio.h>
# include <stdlib.h>
# include <string.h>
main()
{
   char name[20];
   printf("Input a name:");
   gets(name);
   printf("The name input was: %s\n", name);
   getch();
}

哦.是这样.谢谢诸位