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Diffstat (limited to 'nuttx/arch/sim/src/up_internal.h')
-rw-r--r--nuttx/arch/sim/src/up_internal.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/nuttx/arch/sim/src/up_internal.h b/nuttx/arch/sim/src/up_internal.h
index 1d08f8381..42b368d67 100644
--- a/nuttx/arch/sim/src/up_internal.h
+++ b/nuttx/arch/sim/src/up_internal.h
@@ -113,7 +113,7 @@ extern char *up_deviceimage(void);
extern unsigned long up_getwalltime( void );
extern void tapdev_init(void);
extern unsigned int tapdev_read(unsigned char *buf, unsigned int buflen);
-extern void tapdev_send(char *buf, unsigned int buflen);
+extern void tapdev_send(unsigned char *buf, unsigned int buflen);
#endif
/* up_uipdriver.c *********************************************************/