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-rw-r--r--usr.sbin/i4b/isdntrace/trace.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/usr.sbin/i4b/isdntrace/trace.c b/usr.sbin/i4b/isdntrace/trace.c
index 2f1d71f..2ba1ca5 100644
--- a/usr.sbin/i4b/isdntrace/trace.c
+++ b/usr.sbin/i4b/isdntrace/trace.c
@@ -44,6 +44,7 @@
*---------------------------------------------------------------------------*/
#include "trace.h"
+#include <unistd.h>
unsigned char buf[BSIZE];
FILE *Fout = NULL;
@@ -120,9 +121,6 @@ usage(void)
int
main(int argc, char *argv[])
{
- extern int optind;
- extern int opterr;
- extern char *optarg;
char devicename[80];
char headerbuf[256];
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