L_cuserid
static char user_name[L_cuserid];
static char user_name[L_cuserid];
static char res[L_cuserid];
char utname[L_cuserid];
if ((p = getlogin_r(utname, L_cuserid)) != NULL) {
(void) strlcpy(s, p, L_cuserid);
(void) strlcpy(s, pw->pw_name, L_cuserid);
char myname[L_cuserid];
#ifndef L_cuserid