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-rw-r--r--zwgc/standard_ports.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/zwgc/standard_ports.c b/zwgc/standard_ports.c
index 4d2d2b5..615a975 100644
--- a/zwgc/standard_ports.c
+++ b/zwgc/standard_ports.c
@@ -29,6 +29,7 @@ static char rcsid_standard_ports_c[] = "$Id$";
#include "port.h"
#include "variables.h"
#include "error.h"
+#include <zephyr/zephyr.h>
extern string tty_filter();
extern char *X_driver();
@@ -36,6 +37,8 @@ extern char *X_driver();
extern int X_driver_init();
extern int tty_filter_init();
+extern void usage();
+
/*
*
*/