diff -ru a/include/stdio.h b/include/stdio.h
--- a/include/stdio.h	2000-08-04 10:24:39.000000000 +1000
+++ b/include/stdio.h	2005-06-18 14:26:35.000000000 +1000
@@ -34,6 +34,10 @@
 #include <bsd-games.h>
 #include_next <stdio.h>

+__BEGIN_DECLS
+
 #ifndef HAVE_fgetln
 extern char *fgetln(FILE *stream, size_t *len);
 #endif
+
+__END_DECLS
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<div class='path'>path: <a href='/guix/log/?id=a62c8a80cbb6cbc2f0cf815da674efec1501f1eb'>root</a>/<a href='/guix/log/gnu?id=a62c8a80cbb6cbc2f0cf815da674efec1501f1eb'>gnu</a>/<a href='/guix/log/gnu/tests?id=a62c8a80cbb6cbc2f0cf815da674efec1501f1eb'>tests</a>/<a href='/guix/log/gnu/tests/rsync.scm?id=a62c8a80cbb6cbc2f0cf815da674efec1501f1eb'>rsync.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/tests/rsync.scm?id=a62c8a80cbb6cbc2f0cf815da674efec1501f1eb&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-05-18 23:10:56 -0400'>2023-05-18</span></td><td><a href='/guix/commit/gnu/tests/rsync.scm?id=03e601da49e43ed0235144f32095ce5f58f16275'>services: rsync: Use make-inetd-constructor.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2021-12-23 16:05:13 +0100'>2021-12-23</span></td><td><a href='/guix/commit/gnu/tests/rsync.scm?id=2a49ddb513476cd45ebca618ffb0b9e381c1e497'>tests: rsync: Fix it.</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2021-12-21 15:47:04 +0100'>2021-12-21</span></td><td><a href='/guix/commit/gnu/tests/rsync.scm?id=3b3bef3e4e3a8f38e8686262cd12e1786a9ac2b0'>tests: rsync: Define several modules.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-09-26 23:20:56 +0200'>2021-09-26</span></td><td><a href='/guix/commit/gnu/tests/rsync.scm?id=89b05442933d92f4b21c3294455a498e8333727d'>tests: Reduce boilerplate for users of 'system-test-runner'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-09-25 18:52:05 +0200'>2021-09-25</span></td><td><a href='/guix/commit/gnu/tests/rsync.scm?id=1fb75128a5202b406622da6272bc809c46d1f439'>tests: Adjust to SRFI-64 as found in Guile 3.0.7.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-03-16 14:05:52 +0100'>2020-03-16</span></td><td><a href='/guix/commit/gnu/tests/rsync.scm?id=4df02ab675b262bc2d43f83ad33785eb434ea6cb'>tests: rsync: Set PATH.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>