auth_getvalue
char *auth_getvalue(auth_session_t *, char *);
as->challenge = auth_getvalue(as, "challenge");
DEF_WEAK(auth_getvalue);
PROTO_NORMAL(auth_getvalue);
if (!as || (p = auth_getvalue(as, "errormsg")) == NULL)
if ((p = auth_getvalue(as, "warnmsg")) != NULL)
if ((cp = auth_getvalue(as, "errormsg")) != NULL)