/* *	word count, WC - the program. simple standalone PCLEX application. */
%{#include <stdlib.h>
static unsigned nchar = 0;	/* # of characters in file */
static unsigned nword = 0;	/* # of words in file */
static unsigned nline = 1;	/* # of lines in file */%}
%%
\n              {nchar += 2, ++nline;printf("%d:",nchar);}	/* line  boundary in MS-DOS is CR LF */
[^ \t\n]+       {++nword, nchar += yyleng;printf("%d:",nchar);}.               {++nchar;printf("%d:",nchar);}
%%
main(int argc, char *argv[])
{  if(argc > 1)   
  yyin = fopen(argv[1], "r"); 
  else    yyin = stdin;  
  yylex(); 
  printf( "%d\t%d\t%d\n", nchar, nword, nline ); 
  exit(0);}