244   u16_t from_len;  member
501   if (smtp_verify(s->from, s->from_len, 0) != ERR_OK) {  in smtp_send_mail_alloced()
589   size_t from_len = strlen(from);  in smtp_send_mail()  local
598   mem_len += from_len + to_len + subject_len + body_len + 4;  in smtp_send_mail()
612   s->from_len = (u16_t)from_len;  in smtp_send_mail()
613   s->to = sto = sfrom + from_len + 1;  in smtp_send_mail()
621   MEMCPY(sfrom, from, from_len + 1);  in smtp_send_mail()
657   s->from_len = (u16_t)len;  in smtp_send_mail_static()
1144 …LWIP_ASSERT("tx_buf overflow detected", s->from_len <= (SMTP_TX_BUF_LEN - SMTP_CMD_MAIL_1_LEN - SM…  in smtp_prepare_mail()
1145   *tx_buf_len = (u16_t)(SMTP_CMD_MAIL_1_LEN + SMTP_CMD_MAIL_2_LEN + s->from_len);  in smtp_prepare_mail()
1150   MEMCPY(target, s->from, s->from_len);  in smtp_prepare_mail()
1151   target += s->from_len;  in smtp_prepare_mail()
1179     SMTP_CMD_HEADER_3_LEN + SMTP_CMD_HEADER_4_LEN + s->from_len + s->to_len +  in smtp_prepare_header()
1187   MEMCPY(target, s->from, s->from_len);  in smtp_prepare_header()
1188   target += s->from_len;  in smtp_prepare_header()
1491   s->from_len = (u16_t)len;  in smtp_send_mail_bodycback()