extern char *path_resolve	P((char*, char*));
extern char *path_string	P((char*, char*, unsigned int));
extern char *path_from		P((char*, char*, char*));
extern char *path_ed_read	P((char*, char*));
extern char *path_ed_write	P((char*, char*));
extern char *path_include	P((char*, char*, char*));