diff --git a/slstatus.c b/slstatus.c
index d6f5e2d..76df821 100644
--- a/slstatus.c
+++ b/slstatus.c
@@ -15,30 +15,8 @@
 #include <unistd.h>
 #include <X11/Xlib.h>
 
-/* global variables */
-static Display *dpy;
-
-/* statusbar configuration type and struct */
-typedef char *(*op_fun) (const char *);
-struct arg {
-    op_fun func;
-    const char *format;
-    const char *args;
-};
-
-/* functions */
-void setstatus(const char *);
-char *smprintf(const char *, ...);
-char *get_battery(const char *);
-char *get_cpu_temperature(const char *);
-char *get_cpu_usage(const char *);
-char *get_datetime(const char *);
-char *get_diskusage(const char *);
-char *get_ram_usage(const char *);
-char *get_volume(const char *);
-char *get_wifi_signal(const char *);
-
-/* include config header */
+/* local headers */
+#include "slstatus.h"
 #include "config.h"
 
 /* set statusbar */
diff --git a/slstatus.h b/slstatus.h
new file mode 100644
index 0000000..fcf8b33
--- /dev/null
+++ b/slstatus.h
@@ -0,0 +1,22 @@
+/* global variables */
+static Display *dpy;
+
+/* statusbar configuration type and struct */
+typedef char *(*op_fun) (const char *);
+struct arg {
+    op_fun func;
+    const char *format;
+    const char *args;
+};
+
+/* functions */
+void setstatus(const char *);
+char *smprintf(const char *, ...);
+char *get_battery(const char *);
+char *get_cpu_temperature(const char *);
+char *get_cpu_usage(const char *);
+char *get_datetime(const char *);
+char *get_diskusage(const char *);
+char *get_ram_usage(const char *);
+char *get_volume(const char *);
+char *get_wifi_signal(const char *);