enum {	Cinput = 10,	Cinputnoecho = 11,	Csuccess = 20,	Credirtmp = 30,	Credirperm = 31,	Cfailtmp = 40,	Cunavail = 41,	Ccgierr = 42,	Cproxyerr = 43,	Cslowdown = 44,	Cfailperm = 50,	Cnotfound = 51,	Cgone = 52,	Cnoproxy = 53,	Cbadrequest = 59,	Ccertrequired = 60,	Ccertnotauth = 61,	Ccertinvalid = 62,}; typedef struct Response Response;typedef struct Url Url; struct Response {	Url *url;	char *mime;	char *prompt;	char *meta;	char *status;	int code;	int fd;}; struct Url {	char *full;	char *scheme;	char *user;	char *pass;	char *host;	char *port;	char *path;	char *query;	char *fragment;	int free;}; typedef struct {	char *s1;	char *s2;}Str2; #pragma varargck type "U" Url*#pragma varargck type "E" Str2#pragma varargck type "N" char*#pragma varargck type "]" char* /* req.c */Response *request(Url *url);void freeresponse(Response *r); /* url.c */int	Efmt(Fmt*);int	Nfmt(Fmt*);int	Mfmt(Fmt*);int Ufmt(Fmt *f);Url *urlparse(Url *from, char *s);int matchurl(Url *u, Url *s);void freeurl(Url *u);char *Upath(Url *u); /* util.c */void *emalloc(int n);char *estrdup(char *s);