diff --git a/man/journal-enumerate-fields.c b/man/journal-enumerate-fields.c
new file mode 100644
index 00000000000..8a357854400
--- /dev/null
+++ b/man/journal-enumerate-fields.c
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: CC0-1.0 */
+
+#include <stdio.h>
+#include <string.h>
+#include <systemd/sd-journal.h>
+
+int main(int argc, char *argv[]) {
+  sd_journal *j;
+  const char *field;
+  int r;
+
+  r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY);
+  if (r < 0) {
+    fprintf(stderr, "Failed to open journal: %s\n", strerror(-r));
+    return 1;
+  }
+  SD_JOURNAL_FOREACH_FIELD(j, field)
+    printf("%s\n", field);
+  sd_journal_close(j);
+  return 0;
+}
diff --git a/man/journal-iterate-foreach.c b/man/journal-iterate-foreach.c
new file mode 100644
index 00000000000..ae53d467edd
--- /dev/null
+++ b/man/journal-iterate-foreach.c
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: CC0-1.0 */
+
+#include <stdio.h>
+#include <string.h>
+#include <systemd/sd-journal.h>
+
+int main(int argc, char *argv[]) {
+  int r;
+  sd_journal *j;
+  r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY);
+  if (r < 0) {
+    fprintf(stderr, "Failed to open journal: %s\n", strerror(-r));
+    return 1;
+  }
+  SD_JOURNAL_FOREACH(j) {
+    const char *d;
+    size_t l;
+
+    r = sd_journal_get_data(j, "MESSAGE", (const void **)&d, &l);
+    if (r < 0) {
+      fprintf(stderr, "Failed to read message field: %s\n", strerror(-r));
+      continue;
+    }
+
+    printf("%.*s\n", (int) l, d);
+  }
+  sd_journal_close(j);
+  return 0;
+}
diff --git a/man/journal-stream-fd.c b/man/journal-stream-fd.c
new file mode 100644
index 00000000000..6bc55821892
--- /dev/null
+++ b/man/journal-stream-fd.c
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: CC0-1.0 */
+
+#include <syslog.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <systemd/sd-journal.h>
+#include <systemd/sd-daemon.h>
+
+int main(int argc, char *argv[]) {
+  int fd;
+  FILE *log;
+  fd = sd_journal_stream_fd("test", LOG_INFO, 1);
+  if (fd < 0) {
+    fprintf(stderr, "Failed to create stream fd: %s\n", strerror(-fd));
+    return 1;
+  }
+  log = fdopen(fd, "w");
+  if (!log) {
+    fprintf(stderr, "Failed to create file object: %m\n");
+    close(fd);
+    return 1;
+  }
+  fprintf(log, "Hello World!\n");
+  fprintf(log, SD_WARNING "This is a warning!\n");
+  fclose(log);
+  return 0;
+}
diff --git a/man/sd_journal_enumerate_fields.xml b/man/sd_journal_enumerate_fields.xml
index e074906980c..2d8055ec898 100644
--- a/man/sd_journal_enumerate_fields.xml
+++ b/man/sd_journal_enumerate_fields.xml
@@ -94,26 +94,7 @@
     <para>Use the <function>SD_JOURNAL_FOREACH_FIELD()</function> macro to iterate through all field names in use in the
     current journal.</para>
 
-    <programlisting>#include &lt;stdio.h&gt;
-#include &lt;string.h&gt;
-#include &lt;systemd/sd-journal.h&gt;
-
-int main(int argc, char *argv[]) {
-        sd_journal *j;
-        const char *field;
-        int r;
-
-        r = sd_journal_open(&amp;j, SD_JOURNAL_LOCAL_ONLY);
-        if (r &lt; 0) {
-                fprintf(stderr, "Failed to open journal: %s\n", strerror(-r));
-                return 1;
-        }
-        SD_JOURNAL_FOREACH_FIELD(j, field)
-                printf("%s\n", field);
-        sd_journal_close(j);
-        return 0;
-}</programlisting>
-
+    <programlisting><xi:include href="journal-enumerate-fields.c" parse="text" /></programlisting>
   </refsect1>
 
   <refsect1>
diff --git a/man/sd_journal_next.xml b/man/sd_journal_next.xml
index e0f0a049749..628abb296cb 100644
--- a/man/sd_journal_next.xml
+++ b/man/sd_journal_next.xml
@@ -129,34 +129,7 @@
 
     <para>Iterating through the journal:</para>
 
-    <programlisting>#include &lt;stdio.h&gt;
-#include &lt;string.h&gt;
-#include &lt;systemd/sd-journal.h&gt;
-
-int main(int argc, char *argv[]) {
-  int r;
-  sd_journal *j;
-  r = sd_journal_open(&amp;j, SD_JOURNAL_LOCAL_ONLY);
-  if (r &lt; 0) {
-    fprintf(stderr, "Failed to open journal: %s\n", strerror(-r));
-    return 1;
-  }
-  SD_JOURNAL_FOREACH(j) {
-    const char *d;
-    size_t l;
-
-    r = sd_journal_get_data(j, "MESSAGE", (const void **)&amp;d, &amp;l);
-    if (r &lt; 0) {
-      fprintf(stderr, "Failed to read message field: %s\n", strerror(-r));
-      continue;
-    }
-
-    printf("%.*s\n", (int) l, d);
-  }
-  sd_journal_close(j);
-  return 0;
-}</programlisting>
-
+    <programlisting><xi:include href="journal-iterate-foreach.c" parse="text" /></programlisting>
   </refsect1>
 
   <refsect1>
diff --git a/man/sd_journal_stream_fd.xml b/man/sd_journal_stream_fd.xml
index af2234e77d6..40d28041211 100644
--- a/man/sd_journal_stream_fd.xml
+++ b/man/sd_journal_stream_fd.xml
@@ -100,33 +100,7 @@
     <para>Creating a log stream suitable for
     <citerefentry project='man-pages'><refentrytitle>fprintf</refentrytitle><manvolnum>3</manvolnum></citerefentry>:</para>
 
-    <programlisting>#include &lt;syslog.h&gt;
-#include &lt;stdio.h&gt;
-#include &lt;string.h&gt;
-#include &lt;unistd.h&gt;
-#include &lt;systemd/sd-journal.h&gt;
-#include &lt;systemd/sd-daemon.h&gt;
-
-int main(int argc, char *argv[]) {
-  int fd;
-  FILE *log;
-  fd = sd_journal_stream_fd("test", LOG_INFO, 1);
-  if (fd &lt; 0) {
-    fprintf(stderr, "Failed to create stream fd: %s\n", strerror(-fd));
-    return 1;
-  }
-  log = fdopen(fd, "w");
-  if (!log) {
-    fprintf(stderr, "Failed to create file object: %m\n");
-    close(fd);
-    return 1;
-  }
-  fprintf(log, "Hello World!\n");
-  fprintf(log, SD_WARNING "This is a warning!\n");
-  fclose(log);
-  return 0;
-}</programlisting>
-
+    <programlisting><xi:include href="journal-stream-fd.c" parse="text" /></programlisting>
   </refsect1>
 
   <refsect1>