fast macros. */
#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
return (fp->_flags & _IO_NO_READS) == 0;
fast macros. */
#if defined _IO_ftrylockfile || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Haiku, Linux libc5 */
return (fp->_flags & _IO_NO_READS) == 0;