#include <u.h>#include <libc.h>#include <auth.h> intnetcrypt(void *key, void *chal){	uchar buf[8], *p; 	strncpy((char*)buf, chal, 7);	buf[7] = '\0';	for(p = buf; *p && *p != '\n'; p++)		;	*p = '\0';	encrypt(key, buf, 8);	sprint(chal, "%.2ux%.2ux%.2ux%.2ux", buf[0], buf[1], buf[2], buf[3]);	return 1;}