/*
   * linux/include/linux/parser.h
   *
   * Header for lib/parser.c
   * Intended use of these functions is parsing filesystem argument lists,
   * but could potentially be used anywhere else that simple option=arg
   * parsing is required.
   */
  
  
  /* associates an integer enumerator with a pattern string. */
  struct match_token {
  	int token;

  	const char *pattern;

  };

  typedef struct match_token match_table_t[];

  
  /* Maximum number of arguments that match_token will find in a pattern */
  enum {MAX_OPT_ARGS = 3};
  
  /* Describe the location within a string of a substring */
  typedef struct {
  	char *from;
  	char *to;
  } substring_t;

  int match_token(char *, const match_table_t table, substring_t args[]);

  int match_int(substring_t *, int *result);
  int match_octal(substring_t *, int *result);
  int match_hex(substring_t *, int *result);

  size_t match_strlcpy(char *, const substring_t *, size_t);

  char *match_strdup(const substring_t *);