164 do_hvis(wchar_t *dst, wint_t c, int flags, wint_t nextc, const wchar_t *extra)  in do_hvis()  argument
169 	    /* extra */  in do_hvis()
172 		dst = do_svis(dst, c, flags, nextc, extra);  in do_hvis()
187 do_mvis(wchar_t *dst, wint_t c, int flags, wint_t nextc, const wchar_t *extra)  in do_mvis()  argument
200 		dst = do_svis(dst, c, flags, nextc, extra);  in do_mvis()
301  * extra:     Pointer to the list of extra characters to be
305 do_svis(wchar_t *dst, wint_t c, int flags, wint_t nextc, const wchar_t *extra)  in do_svis()  argument
310 	iswextra = wcschr(extra, c) != NULL;  in do_svis()
348  * Expand list of extra characters to not visually encode.
398 	wchar_t *dst, *src, *pdst, *psrc, *start, *extra;  in istrsenvisx()  local
434 	psrc = pdst = extra = NULL;  in istrsenvisx()
501 	/* Convert extra argument to list of characters for this mode. */  in istrsenvisx()
502 	extra = makeextralist(flags, mbextra);  in istrsenvisx()
503 	if (!extra) {  in istrsenvisx()
508 		*mbdst = '\0';	/* can't create extra, return "" */  in istrsenvisx()
523 		dst = (*f)(dst, c, flags, len >= 1 ? *src : L'\0', extra);  in istrsenvisx()
587 	free(extra);  in istrsenvisx()
593 	free(extra);  in istrsenvisx()
612  *	The "svis" variants all take an "extra" arg that is a pointer