commit 79b5febd762d6735ba8e878086a50ea04993e340
Author: Maciej W. Rozycki <macro@redhat.com>
Date:   Thu May 29 22:11:38 2025 +0100

    manual: Document error codes missing for 'inet_ntop'
    
    Add documentation for EAFNOSUPPORT and ENOSPC error codes returned, and
    the return value on failure.
    
    Reviewed-by: Florian Weimer <fweimer@redhat.com>

diff --git a/manual/socket.texi b/manual/socket.texi
index 5199c3734be40136..7a833360d91aa2a4 100644
--- a/manual/socket.texi
+++ b/manual/socket.texi
@@ -1211,7 +1211,19 @@ network (binary) to presentation (textual) form.  @var{af} should be
 either @code{AF_INET} or @code{AF_INET6}, as appropriate.  @var{cp} is a
 pointer to the address to be converted.  @var{buf} should be a pointer
 to a buffer to hold the result, and @var{len} is the length of this
-buffer.  The return value from the function will be this buffer address.
+buffer.
+
+The return value is @var{buf} on success.  On failure, the function's
+return value is a null pointer and @code{errno} is set accordingly.
+The following @code{errno} values are specific to this function:
+
+@table @code
+@item EAFNOSUPPORT
+The address family requested is neither @code{AF_INET} nor @code{AF_INET6}.
+
+@item ENOSPC
+Insufficient space available for the result in the buffer provided.
+@end table
 @end deftypefun
 
 @node Host Names