#include <u.h>#include <libc.h>#include <bin.h>#include <httpd.h> char*hlower(char *p){	char c;	char *x; 	if(p == nil)		return p; 	for(x = p; c = *x; x++)		if(c >= 'A' && c <= 'Z')			*x -= 'A' - 'a';	return p;}