#define xnalloc(t,n) (t *)xcalloc((n), sizeof(t))
#define xresize(p,t,n) (t *)xrealloc((p), (n) * sizeof(t))
-extern int get_number __PROTO((const char *, long *));
-/* return paper dimensions (in cm) */
-extern int paper_dimensions __PROTO((const char *, double *, double *));
-
extern char *xstradd __PROTO((char *, size_t *, size_t, const char *, size_t));
extern Ulong get_mtime __PROTO((int));
extern char *dgets __PROTO((Dstring *, FILE *));
extern int file_readable __PROTO((const char *));
extern int file_exists __PROTO((const char *));
-extern char *find_in_path __PROTO((const char *path, const char *file));
extern const char *file_basename __PROTO((const char *));
extern const char *file_extension __PROTO((const char *));
-extern char *read_into_core __PROTO((const char *, size_t *));
/*
* Miscellaneous macros