-/* xcb_util.c */
-
-/* Index of nearest 4-byte boundary following E. */
-#define XCB_CEIL(E) (((E)+3)&~3)
-
-#define XCB_PAD(i) ((4 - (i & 3)) & 3)
-
-int _xcb_set_fd_flags(const int fd);
-int _xcb_readn(const int fd, void *buf, const int buflen, int *count);
-int _xcb_read_block(const int fd, void *buf, const size_t len);
-int _xcb_write(const int fd, char (*buf)[], int *count);
-int _xcb_writev(const int fd, struct iovec *vec, int count);
-
-