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  1. #include <stdio.h>
  2.  
  3. int main(void)
  4. {
  5.   int blanks, tabs, newlines;
  6.   int c;
  7.   int done = 0;
  8.   int lastchar = 0;
  9.  
  10.   blanks = 0;
  11.   tabs = 0;
  12.   newlines = 0;
  13.  
  14.   while(done == 0)
  15.   {
  16.     c = getchar();
  17.  
  18.     if(c == ' ')
  19.       ++blanks;
  20.  
  21.     if(c == '\t')
  22.       ++tabs;
  23.  
  24.     if(c == '\n')
  25.       ++newlines;
  26.  
  27.     if(c == EOF)
  28.     {
  29.       if(lastchar != '\n')
  30.       {
  31.         ++newlines; /* this is a bit of a semantic stretch, but it copes
  32.                      * with implementations where a text file might not
  33.                      * end with a newline. Thanks to Jim Stad for pointing
  34.                      * this out.
  35.                      */
  36.       }
  37.       done = 1;
  38.     }
  39.     lastchar = c;
  40.   }
  41.  
  42.   printf("Blanks: %d\nTabs: %d\nLines: %d\n", blanks, tabs, newlines);
  43.   return 0;
  44. }
Success #stdin #stdout 0s 2296KB
comments (?)
stdin 
And then there were none.
	- Christie, Agatha -
stdout 
Blanks: 7
Tabs: 1
Lines: 2
https://ideone.com/0wh0ET
language:
C (gcc 8.3)
created:
12 years ago
visibility:
secret

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