#ifndef H_READTOKENS_H# define H_READTOKENS_H# ifndef INITIAL_TOKEN_LENGTH#  define INITIAL_TOKEN_LENGTH 20# endif# ifndef TOKENBUFFER_DEFINED#  define TOKENBUFFER_DEFINEDstruct tokenbuffer{  long size;  char *buffer;};typedef struct tokenbuffer token_buffer;# endif /* not TOKENBUFFER_DEFINED */# undef __P# if defined (__STDC__) && __STDC__#  define	__P(x) x# else#  define	__P(x) ()# endifvoid init_tokenbuffer __P ((token_buffer *tokenbuffer));long  readtoken __P ((FILE *stream, const char *delim, int n_delim,	     token_buffer *tokenbuffer));int  readtokens __P ((FILE *stream, int projected_n_tokens,	      const char *delim, int n_delim,	      char ***tokens_out, long **token_lengths));#endif /* not H_READTOKENS_H */