130 #define MAKEEXTRALIST(flag, extra, orig_str)				      \  argument
142 	if (flag & VIS_SP) *e++ = ' ';					      \
143 	if (flag & VIS_TAB) *e++ = '\t';				      \
144 	if (flag & VIS_NL) *e++ = '\n';					      \
145 	if ((flag & VIS_NOSLASH) == 0) *e++ = '\\';			      \
153 do_hvis(char *dst, int c, int flag, int nextc, const char *extra)  in do_hvis()  argument
160 		dst = do_svis(dst, c, flag, nextc, extra);  in do_hvis()
175 do_svis(char *dst, int c, int flag, int nextc, const char *extra)  in do_svis()  argument
180 	    ((flag & VIS_SAFE) && issafe(c)))) {  in do_svis()
184 	if (flag & VIS_CSTYLE) {  in do_svis()
224 	if (isextra || ((c & 0177) == ' ') || (flag & VIS_OCTAL)) {  in do_svis()
230 		if ((flag & VIS_NOSLASH) == 0) *dst++ = '\\';  in do_svis()
253 rk_svis(char *dst, int c, int flag, int nextc, const char *extra)  in rk_svis()  argument
259 	MAKEEXTRALIST(flag, nextra, extra);  in rk_svis()
264 	if (flag & VIS_HTTPSTYLE)  in rk_svis()
265 		dst = do_hvis(dst, c, flag, nextc, nextra);  in rk_svis()
267 		dst = do_svis(dst, c, flag, nextc, nextra);  in rk_svis()
291 rk_strsvis(char *dst, const char *csrc, int flag, const char *extra)  in rk_strsvis()  argument
301 	MAKEEXTRALIST(flag, nextra, extra);  in rk_strsvis()
306 	if (flag & VIS_HTTPSTYLE) {  in rk_strsvis()
308 			dst = do_hvis(dst, c, flag, *src, nextra);  in rk_strsvis()
311 			dst = do_svis(dst, c, flag, *src, nextra);  in rk_strsvis()
320 rk_strsvisx(char *dst, const char *csrc, size_t len, int flag, const char *extra)  in rk_strsvisx()  argument
330 	MAKEEXTRALIST(flag, nextra, extra);  in rk_strsvisx()
336 	if (flag & VIS_HTTPSTYLE) {  in rk_strsvisx()
339 			dst = do_hvis(dst, c, flag, len ? *src : '\0', nextra);  in rk_strsvisx()
344 			dst = do_svis(dst, c, flag, len ? *src : '\0', nextra);  in rk_strsvisx()
358 rk_vis(char *dst, int c, int flag, int nextc)  in rk_vis()  argument
365 	MAKEEXTRALIST(flag, extra, "");  in rk_vis()
370 	if (flag & VIS_HTTPSTYLE)  in rk_vis()
371 		dst = do_hvis(dst, uc, flag, nextc, extra);  in rk_vis()
373 		dst = do_svis(dst, uc, flag, nextc, extra);  in rk_vis()
391 rk_strvis(char *dst, const char *src, int flag)  in rk_strvis()  argument
396 	MAKEEXTRALIST(flag, extra, "");  in rk_strvis()
401 	rv = strsvis(dst, src, flag, extra);  in rk_strvis()
408 rk_strvisx(char *dst, const char *src, size_t len, int flag)  in rk_strvisx()  argument
413 	MAKEEXTRALIST(flag, extra, "");  in rk_strvisx()
418 	rv = strsvisx(dst, src, len, flag, extra);  in rk_strvisx()