if (__getpwuid_r (geteuid (), &pwent, buf, sizeof (buf), &pwptr))
if (__getpwuid_r (__geteuid (), &pwent, buf, sizeof (buf), &pwptr))
cuserid (s)     char *s;{  static char name[L_cuserid];  char buf[NSS_BUFLEN_PASSWD];  struct passwd pwent;  struct passwd *pwptr;  if (__getpwuid_r (geteuid (), &pwent, buf, sizeof (buf), &pwptr))    {      if (s != NULL)	s[0] = '\0';      return NULL;    }  if (s == NULL)    s = name;  return strncpy (s, pwptr->pw_name, L_cuserid);}