#lang scheme/signature

get-pure-port
get-impure-port
post-pure-port
post-impure-port
head-pure-port
head-impure-port
delete-pure-port
delete-impure-port
put-pure-port
put-impure-port
display-pure-port
purify-port
netscape/string->url
string->url
url->string
path->url
url->path
call/input-url
combine-url/relative
url-exception?
current-proxy-servers
file-url-path-convention-type