+#define DHCPCD_WPA_SUCCESS 0
+#define DHCPCD_WPA_ERR -1
+#define DHCPCD_WPA_ERR_SET -2
+#define DHCPCD_WPA_ERR_SET_PSK -3
+#define DHCPCD_WPA_ERR_ENABLE -4
+#define DHCPCD_WPA_ERR_WRITE -5
+#define DHCPCD_WPA_ERR_ASSOC -6
+int dhcpcd_wpa_configure_psk(DHCPCD_WPA *w, DHCPCD_WI_SCAN *s, const char *p);
+