#include <u.h>#include <libc.h>#include <bin.h>#include <httpd.h> /* *  go from http (sic; html) with escapes to utf, *  we assume that anything >= Runeself is already in utf */char *httpunesc(HConnect *cc, char *s){	char *t, *v, *p;	int c, n;	Htmlesc *e;	Rune r; 	v = halloc(cc, UTFmax*strlen(s) + 1);	for(t = v; c = *s;){		if(c == '&'){			if(s[1] == '#' && (n = strtoul(s+2,  &p, 10)) != 0 && *p == ';'){				r = n;				t += runetochar(t, &r);				s = p+1;				continue;			}else if(s[1] == '#' && (s[2] == 'x' || s[2] == 'X') &&				(n = strtoul(s+3,  &p, 16)) != 0 && *p == ';'){				r = n;				t += runetochar(t, &r);				s = p+1;				continue;			} else {				for(e = htmlesc; e->name != nil; e++)					if(strncmp(e->name, s, strlen(e->name)) == 0)						break;				if(e->name != nil){					t += runetochar(t, &e->value);					s += strlen(e->name);					continue;				}			}		}		*t++ = c;		s++;	}	*t = 0;	return v;}