gethostent_r
return gethostent_r(_h_file, &h_ent, h_buf, sizeof(h_buf), &h_errno);
struct hostent *gethostent_r(FILE *, struct hostent *, char *, size_t, int *);
hp = gethostent_r(hf, info->hp, info->buf, info->buflen,
while ((hp = gethostent_r(hf, info->hp, info->buf, info->buflen,