[newlib-cygwin/main] Cygwin: doc: add new API calls in 3.5

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=6407da947d92205a59ab3713a6dd9fabd3fd2477

commit 6407da947d92205a59ab3713a6dd9fabd3fd2477
Author:     Corinna Vinschen <corinna@vinschen.de>
AuthorDate: Fri Aug 25 11:11:32 2023 +0200
Commit:     Corinna Vinschen <corinna@vinschen.de>
CommitDate: Fri Aug 25 11:11:32 2023 +0200

    Cygwin: doc: add new API calls in 3.5
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/doc/posix.xml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/winsup/doc/posix.xml b/winsup/doc/posix.xml
index a62557579a63..151aeb9fee2b 100644
--- a/winsup/doc/posix.xml
+++ b/winsup/doc/posix.xml
@@ -1355,6 +1355,8 @@ also IEEE Std 1003.1-2017 (POSIX.1-2017).</para>
     mkostemp
     mkostemps
     pipe2
+    posix_spawn_file_actions_addchdir_np
+    posix_spawn_file_actions_addfchdir_np
     pow10
     pow10f
     pow10l
@@ -1514,6 +1516,9 @@ also IEEE Std 1003.1-2017 (POSIX.1-2017).</para>
 <screen>
     aligned_alloc		(ISO C11)
     at_quick_exit		(ISO C11)
+    c16rtomb			(ISO C11)
+    c32rtomb			(ISO C11)
+    c8rtomb			(ISO C23)
     call_once			(ISO C11)
     cnd_broadcast		(ISO C11)
     cnd_destroy			(ISO C11)
@@ -1521,6 +1526,9 @@ also IEEE Std 1003.1-2017 (POSIX.1-2017).</para>
     cnd_signal			(ISO C11)
     cnd_timedwait		(ISO C11)
     cnd_wait			(ISO C11)
+    mbrtoc16			(ISO C11)
+    mbrtoc32			(ISO C11)
+    mbrtoc8			(ISO C23)
     mtx_destroy			(ISO C11)
     mtx_init			(ISO C11)
     mtx_lock			(ISO C11)