extern void pipe_spawn(char *buf, unsigned int len, Display *dpy, char *argv[]);
extern void spawn(Display *dpy, char *argv[]);
extern void swap(void **p1, void **p2);
-extern unsigned char *getselection(unsigned long offset, unsigned long *len,
- unsigned long *remain);
extern unsigned int tokenize(char **result, unsigned int reslen,
char *str, char delim);