1 files changed, 32 insertions, 0 deletions
diff --git a/bsd-vis.h b/bsd-vis.h
new file mode 100644
index 00000000..52e867b9
--- /dev/null
+++ b/bsd-vis.h
@@ -0,0 +1,32 @@
+#ifndef _BSD_VIS_H
+#define	_BSD_VIS_H
+
+#include "config.h"
+
+#ifndef HAVE_VIS
+
+/*
+ * to select alternate encoding format
+ */
+#define	VIS_OCTAL	0x01	/* use octal \ddd format */
+#define	VIS_CSTYLE	0x02	/* use \[nrft0..] where appropriate */
+
+/*
+ * to alter set of characters encoded (default is to encode all
+ * non-graphic except space, tab, and newline).
+ */
+#define	VIS_SP		0x04	/* also encode space */
+#define	VIS_TAB		0x08	/* also encode tab */
+#define	VIS_NL		0x10	/* also encode newline */
+#define	VIS_WHITE	(VIS_SP | VIS_TAB | VIS_NL)
+#define	VIS_SAFE	0x20	/* only encode "unsafe" characters */
+
+/*
+ * other
+ */
+#define	VIS_NOSLASH	0x40	/* inhibit printing '\' */
+
+char	*vis (char *, int, int, int);
+#endif /* HAVE_VIS */
+
+#endif /* _BSD_VIS_H */