用C实现百分比进度条指示器

  
    

   
      1 
   
     #include 
   
     <
   
     stdio.h
   
     >
   
     

   
      2 
   
     #include 
   
     <
   
     stdlib.h
   
     >
   
     

   
      3 
   
     

   
      4 
   
     
   
     int
   
      main()

   
      5 
   
     {

   
      6 
   
      
   
     int
   
      i, lotsa 
   
     =
   
      
   
     100000
   
     ;

   
      7 
   
      
   
     for
   
      (i 
   
     =
   
      
   
     0
   
     ; i 
   
     <
   
      lotsa; i
   
     ++
   
     ) {

   
      8 
   
      printf(
   
     "
   
     \r%3d%%
   
     "
   
     , (
   
     int
   
      )(
   
     100L
   
      
   
     *
   
      i 
   
     /
   
      lotsa));

   
      9 
   
      fflush(stdout);

   
     10 
   
      }

   
     11 
   
      printf(
   
     "
   
     \ndone.\n
   
     "
   
     );

   
     12 
   
      
   
     return
   
      
   
     0
   
     ;

   
     13 
   
     }