diff --git a/samples/c_plugin_example_01.c b/samples/c_plugin_example_01.c
new file mode 100644
index 0000000..6d91cc6
--- /dev/null
+++ b/samples/c_plugin_example_01.c
@@ -0,0 +1,246 @@
+/*
+ * Copyright (C) 2020 Stefan Kropp <stefan@debxwoody.de>
+ *
+ * This file is part of profanity.
+ *
+ * profanity is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License.
+ *
+ * profanity is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with profanity.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * File: c_plugin_example_01.c
+ * 
+ * Example 1 for profanity c plugin.
+ *
+ * This example implements the hooks (callbacks) provides by profanity. The
+ * plugin writes name of function / the parameters of the hooks into a file.
+ *
+ * Compile: 
+ *
+ * gcc -shared -fpic -g3 -O0 -Wextra -pedantic \
+ * -L/usr/lib/profanity -lprofanity \
+ * -o c_plugin_example_01.so c_plugin_example_01.c
+ *
+ * Install:
+ * 
+ * cp c_plugin_example_01.so \
+ * ~/.local/share/profanity/plugins/c_plugin_example_01.so
+ *
+ * Documentation:
+ * 
+ * https://profanity-im.github.io/plugins.html
+ *
+ */
+
+#include <profapi.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+FILE *fp;
+
+void prof_init(const char *const version, const char *const status,
+               const char *const account_name, const char *const fulljid) {
+  fp = fopen("profanity-c-plugins-example_01.log", "a");
+  fprintf(fp, "prof_init: %s %s %s %s\n", version, status, account_name,
+          fulljid);
+  fflush(fp);
+}
+
+void prof_on_start(void) {
+  fprintf(fp, "prof_on_start\n");
+  fflush(fp);
+}
+
+void prof_on_shutdown(void) {
+  fprintf(fp, "prof_on_shutdown\n");
+  fflush(fp);
+}
+
+void prof_on_unload(void) {
+  fprintf(fp, "prof_on_unload\n");
+  fflush(fp);
+  fclose(fp);
+}
+
+void prof_on_connect(const char *const account_name,
+                     const char *const fulljid) {
+  fprintf(fp, "prof_on_connect: %s %s\n", account_name, fulljid);
+  fflush(fp);
+}
+
+void prof_on_disconnect(const char *const account_name,
+                        const char *const fulljid) {
+  fprintf(fp, "prof_on_disconnect: %s %s\n", account_name, fulljid);
+  fflush(fp);
+}
+
+char *prof_pre_chat_message_display(const char *const barejid,
+                                    const char *const resource,
+                                    const char *message) {
+  fprintf(fp, "prof_pre_chat_message_display: %s %s %s\n", barejid, resource,
+          message);
+  fflush(fp);
+  return NULL;
+}
+
+void prof_post_chat_message_display(const char *const barejid,
+                                    const char *const resource,
+                                    const char *message) {
+  fprintf(fp, "prof_post_chat_message_display %s %s %s\n", barejid, resource,
+          message);
+  fflush(fp);
+}
+
+char *prof_pre_chat_message_send(const char *const barejid,
+                                 const char *message) {
+  fprintf(fp, "prof_pre_chat_message_send: %s %s\n", barejid, message);
+  fflush(fp);
+  return strdup(message);
+}
+
+void prof_post_chat_message_send(const char *const barejid,
+                                 const char *message) {
+  fprintf(fp, "prof_post_chat_message_send: %s %s\n", barejid, message);
+  fflush(fp);
+}
+
+char *prof_pre_room_message_display(const char *const barejid,
+                                    const char *const nick,
+                                    const char *message) {
+  fprintf(fp, "prof_pre_room_message_display: %s %s %s\n", barejid, nick,
+          message);
+  fflush(fp);
+  return NULL;
+}
+
+void prof_post_room_message_display(const char *const barejid,
+                                    const char *const nick,
+                                    const char *message) {
+  fprintf(fp, "prof_post_room_message_display: %s %s %s\n", barejid, nick,
+          message);
+  fflush(fp);
+}
+
+char *prof_pre_room_message_send(const char *const barejid,
+                                 const char *message) {
+  fprintf(fp, "prof_pre_room_message_send %s %s\n", barejid, message);
+  fflush(fp);
+  return strdup(message);
+}
+
+void prof_post_room_message_send(const char *const barejid,
+                                 const char *message) {
+  fprintf(fp, "prof_post_room_message_send: %s %s\n", barejid, message);
+  fflush(fp);
+}
+
+void prof_on_room_history_message(const char *const barejid,
+                                  const char *const nick,
+                                  const char *const message,
+                                  const char *const timestamp) {
+  fprintf(fp, "prof_on_room_history_message: %s %s %s %s\n", barejid, nick,
+          message, timestamp);
+  fflush(fp);
+}
+
+char *prof_pre_priv_message_display(const char *const barejid,
+                                    const char *const nick,
+                                    const char *message) {
+  fprintf(fp, "prof_pre_priv_message_display: %s %s %s\n", barejid, nick,
+          message);
+  fflush(fp);
+  return NULL;
+}
+
+void prof_post_priv_message_display(const char *const barejid,
+                                    const char *const nick,
+                                    const char *message) {
+  fprintf(fp, "prof_post_priv_message_display: %s %s %s\n", barejid, nick,
+          message);
+  fflush(fp);
+}
+
+char *prof_pre_priv_message_send(const char *const barejid,
+                                 const char *const nick, const char *message) {
+  fprintf(fp, "prof_pre_priv_message_send: %s %s %s\n", barejid, nick, message);
+  fflush(fp);
+  return strdup(message);
+}
+
+void prof_post_priv_message_send(const char *const barejid,
+                                 const char *const nick, const char *message) {
+  fprintf(fp, "prof_post_priv_message_send: %s %s %s\n", barejid, nick,
+          message);
+  fflush(fp);
+}
+
+char *prof_on_message_stanza_send(const char *const stanza) {
+  fprintf(fp, "prof_on_message_stanza_send: %d\n", strlen(stanza));
+  fflush(fp);
+  return NULL;
+}
+
+int prof_on_message_stanza_receive(const char *const stanza) {
+  fprintf(fp, "prof_on_message_stanza_receive: %d\n", strlen(stanza));
+  fflush(fp);
+  return 1;
+}
+
+char *prof_on_presence_stanza_send(const char *const stanza) {
+  fprintf(fp, "prof_on_presence_stanza_send: %s\n", stanza);
+  fflush(fp);
+  return NULL;
+}
+
+int prof_on_presence_stanza_receive(const char *const stanza) {
+  fprintf(fp, "prof_on_presence_stanza_receive: %d\n", strlen(stanza));
+  fflush(fp);
+  return 1;
+}
+
+char *prof_on_iq_stanza_send(const char *const stanza) {
+  fprintf(fp, "prof_on_iq_stanza_send: %d\n", strlen(stanza));
+  fflush(fp);
+  return NULL;
+}
+
+int prof_on_iq_stanza_receive(const char *const stanza) {
+  fprintf(fp, "prof_on_iq_stanza_receive: %d\n", strlen(stanza));
+  fflush(fp);
+  return 1;
+}
+
+void prof_on_contact_offline(const char *const barejid,
+                             const char *const resource,
+                             const char *const status) {
+  fprintf(fp, "prof_on_contact_offline: %s %s %s\n", barejid, resource, status);
+  fflush(fp);
+}
+
+void prof_on_contact_presence(const char *const barejid,
+                              const char *const resource,
+                              const char *const presence,
+                              const char *const status, const int priority) {
+  fprintf(fp, "prof_on_contact_presence: %s %s %s %s %d\n", barejid, resource,
+          presence, status, priority);
+  fflush(fp);
+}
+
+void prof_on_chat_win_focus(const char *const barejid) {
+  fprintf(fp, "prof_on_chat_win_focus: %s\n", barejid);
+  fflush(fp);
+}
+
+void prof_on_room_win_focus(const char *const barejid) {
+  fprintf(fp, "prof_on_room_win_focus: %s\n", barejid);
+  fflush(fp);
+}