-#ifdef USE_IN_LIBIO
- if (_IO_fwide (fs->stream, 0) > 0)
- __fwprintf (fs->stream, L"%.*s\n",
- (int) (nl - fs->buf), fs->buf);
- else
+#ifdef _LIBC
+ __fxprintf (fs->stream, "%.*s\n",
+ (int) (nl - fs->buf), fs->buf);
+#else
+ if (nl > fs->buf)
+ fwrite_unlocked (fs->buf, 1, nl - fs->buf, fs->stream);
+ putc_unlocked ('\n', fs->stream);