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-rw-r--r--man/sd_listen_fds.xml6
1 files changed, 3 insertions, 3 deletions
diff --git a/man/sd_listen_fds.xml b/man/sd_listen_fds.xml
index 6013579050..9ddd129aae 100644
--- a/man/sd_listen_fds.xml
+++ b/man/sd_listen_fds.xml
@@ -94,7 +94,7 @@
<function>sd_listen_fds()</function>, but optionally also returns
an array of strings with identification names for the passed file
descriptors, if that is available and the
- <parameter>names</parameter> parameter is non-NULL. This
+ <parameter>names</parameter> parameter is non-<constant>NULL</constant>. This
information is read from the <varname>$LISTEN_FDNAMES</varname>
variable, which may contain a colon-separated list of names. For
socket-activated services, these names may be configured with the
@@ -113,11 +113,11 @@
<function>sd_is_socket()</function> and related calls is not
sufficient. Note that the names used are not unique in any
way. The returned array of strings has as many entries as file
- descriptors have been received, plus a final NULL pointer
+ descriptors have been received, plus a final <constant>NULL</constant> pointer
terminating the array. The caller needs to free the array itself
and each of its elements with libc's <function>free()</function>
call after use. If the <parameter>names</parameter> parameter is
- NULL, the call is entirely equivalent to
+ <constant>NULL</constant>, the call is entirely equivalent to
<function>sd_listen_fds()</function>.</para>
<para>Under specific conditions, the following automatic file