#ifndef __LINUX_TEXTSEARCH_FSM_H
  #define __LINUX_TEXTSEARCH_FSM_H
  
  #include <linux/types.h>
  
  enum {
  	TS_FSM_SPECIFIC,	/* specific character */
  	TS_FSM_WILDCARD,	/* any character */
  	TS_FSM_DIGIT,		/* isdigit() */
  	TS_FSM_XDIGIT,		/* isxdigit() */
  	TS_FSM_PRINT,		/* isprint() */
  	TS_FSM_ALPHA,		/* isalpha() */
  	TS_FSM_ALNUM,		/* isalnum() */
  	TS_FSM_ASCII,		/* isascii() */
  	TS_FSM_CNTRL,		/* iscntrl() */
  	TS_FSM_GRAPH,		/* isgraph() */
  	TS_FSM_LOWER,		/* islower() */
  	TS_FSM_UPPER,		/* isupper() */
  	TS_FSM_PUNCT,		/* ispunct() */
  	TS_FSM_SPACE,		/* isspace() */
  	__TS_FSM_TYPE_MAX,
  };
  #define TS_FSM_TYPE_MAX (__TS_FSM_TYPE_MAX - 1)
  
  enum {
  	TS_FSM_SINGLE,		/* 1 occurrence */
  	TS_FSM_PERHAPS,		/* 1 or 0 occurrence */
  	TS_FSM_ANY,		/* 0..n occurrences */
  	TS_FSM_MULTI,		/* 1..n occurrences */
  	TS_FSM_HEAD_IGNORE,	/* 0..n ignored occurrences at head */
  	__TS_FSM_RECUR_MAX,
  };
  #define TS_FSM_RECUR_MAX (__TS_FSM_RECUR_MAX - 1)
  
  /**
   * struct ts_fsm_token - state machine token (state)
   * @type: type of token
   * @recur: number of recurrences
   * @value: character value for TS_FSM_SPECIFIC
   */
  struct ts_fsm_token
  {
  	__u16		type;
  	__u8		recur;
  	__u8		value;
  };
  
  #endif