--- Libc/Libc-1353.100.2/include/vis.h
+++ Libc/Libc-1534.40.2/include/vis.h
@@ -20,7 +20,7 @@
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
-/*	$NetBSD: vis.h,v 1.21 2013/02/20 17:01:15 christos Exp $	*/
+/*	$NetBSD: vis.h,v 1.25 2017/04/23 01:57:36 christos Exp $	*/
 /*	$FreeBSD$	*/
 
 /*-
@@ -75,6 +75,7 @@
 #define	VIS_NL		0x0010	/* also encode newline */
 #define	VIS_WHITE	(VIS_SP | VIS_TAB | VIS_NL)
 #define	VIS_SAFE	0x0020	/* only encode "unsafe" characters */
+#define	VIS_DQ		0x8000	/* also encode double quotes */
 
 /*
  * other
@@ -87,6 +88,9 @@
 #define	VIS_HTTP1866	0x0400	/* http-style &#num; or &string; */
 #define	VIS_NOESCAPE	0x0800	/* don't decode `\' */
 #define	_VIS_END	0x1000	/* for unvis */
+#define	VIS_SHELL	0x2000	/* encode shell special characters [not glob] */
+#define	VIS_META	(VIS_WHITE | VIS_GLOB | VIS_SHELL)
+#define	VIS_NOLOCALE	0x4000	/* encode using the C locale */
 
 /*
  * unvis return codes
@@ -112,6 +116,7 @@
 char	*snvis(char *, size_t, int, int, int, const char *);
 
 int	strvis(char *, const char *, int);
+int	stravis(char **, const char *, int);
 int	strnvis(char *, size_t, const char *, int);
 
 int	strsvis(char *, const char *, int, const char *);