text: /*
   * functions (possibly) linked in, complete, from libc.
   */
  
  /*
   * mem routines
   */
  extern	void*	memset(void*, int, long);
  extern	int	memcmp(void*, void*, long);
  extern	void*	memmove(void*, void*, long);
  extern	void*	memchr(void*, int, long);
  
  /*
   * string routines
   */
  extern	char*	strcat(char*, char*);
  extern	char*	strchr(char*, char);
  extern	int	strcmp(char*, char*);
  extern	char*	strcpy(char*, char*);
  extern	char*	strncat(char*, char*, long);
  extern	char*	strncpy(char*, char*, long);
  extern	int	strncmp(char*, char*, long);
  extern	long	strlen(char*);
  
  /*
   * utf routines
   */
  extern	char*	utfrune(char*, long);
  extern	char*	utfrrune(char*, long);
  
  /*
   * print routines
   */
  
  #define	FLONG	(1<<0)
  #define	FSHORT	(1<<1)
  #define	FUNSIGN	(1<<2)
  
  typedef struct Op	Op;
  struct Op
  {
  	char	*p;
  	char	*ep;
  	void	*argp;
  	int	f1;
  	int	f2;
  	int	f3;
  };
  extern	void	strconv(char*, Op*, int, int);
  extern	int	numbconv(Op*, int);
  extern	char*	donprint(char*, char*, char*, void*);
  extern	int	fmtinstall(char, int(*)(Op*));
  extern	int	sprint(char*, char*, ...);
  extern	int	print(char*, ...);
  
  /*
   * one-of-a-kind
   */
  extern	void	qsort(void*, long, long, int (*)(void*, void*));
  extern	char	end[];
  
  #define DESKEYLEN	7		/* length of a des key for encrypt/decrypt */
  extern	int	decrypt(void*, void*, int);
  extern	int	encrypt(void*, void*, int);
  extern	int	nrand(int);
  