在stdout上输出字符

[c]代码库

#include <stdio.h> 

/* define some box-drawing characters */ 
#define LEFT_TOP  0xDA 
#define RIGHT_TOP 0xBF 
#define HORIZ     0xC4 
#define VERT      0xB3 
#define LEFT_BOT  0xC0 
#define RIGHT_BOT 0xD9 

int main(void) 
{ 
   char i, j; 

   /* draw the top of the box */ 
   putchar(LEFT_TOP); 
   for (i=0; i<10; i++) 
      putchar(HORIZ); 
   putchar(RIGHT_TOP); 
   putchar('\n'); 

   /* draw the middle */ 
   for (i=0; i<4; i++) 
   { 
      putchar(VERT); 
      for (j=0; j<10; j++) 
         putchar(' '); 
      putchar(VERT); 
      putchar('\n'); 
   } 

   /* draw the bottom */ 
   putchar(LEFT_BOT); 
   for (i=0; i<10; i++) 
      putchar(HORIZ); 
   putchar(RIGHT_BOT); 
   putchar('\n'); 

   return 0; 
}