1 files changed, 1 insertions, 2 deletions
diff --git a/src/nio.c b/src/nio.c
index b43c561..eaa27b8 100644
--- a/src/nio.c
+++ b/src/nio.c
@@ -10,6 +10,7 @@
 #include "nio.h"
 #include "sio.h"
 #include "config.h"
+#include "rxtxbuf.h"
 
 #define TIMEOUT 0x1f /* approx 30 seconds */
 
@@ -75,7 +76,6 @@ char nstatus(void) {
 
 char nread_rxbuf(void) {
 	extern unsigned int rxbuflen;
-	extern char *rx_buf;
 	set_defaults();
 	OS.dcb.dcomnd   = 'R';    // read
 	OS.dcb.dstats   = DREAD;
@@ -88,7 +88,6 @@ char nread_rxbuf(void) {
 
 char nwrite_txbuf(void) {
 	extern unsigned int txbuflen;
-	extern char *tx_buf;
 	set_defaults();
 	OS.dcb.dcomnd   = 'W';    // write
 	OS.dcb.dstats   = DWRITE;