void pgc_put(struct page_cache *, struct page *); /* Release page */
void pgc_mark_dirty(struct page_cache *, struct page *); /* Mark locked page as dirty */
byte *pgc_read_data(struct page_cache *, int fd, sh_off_t, uns *); /* Partial reading */
void pgc_put(struct page_cache *, struct page *); /* Release page */
void pgc_mark_dirty(struct page_cache *, struct page *); /* Mark locked page as dirty */
byte *pgc_read_data(struct page_cache *, int fd, sh_off_t, uns *); /* Partial reading */