| lwIP
    2.1.2
    Lightweight IP stack | 
| Functions | |
| void | sntp_setoperatingmode (u8_t operating_mode) | 
| u8_t | sntp_getoperatingmode (void) | 
| void | sntp_init (void) | 
| void | sntp_stop (void) | 
| u8_t | sntp_enabled (void) | 
| void | sntp_setserver (u8_t idx, const ip_addr_t *addr) | 
| const ip_addr_t * | sntp_getserver (u8_t idx) | 
| u8_t | sntp_getreachability (u8_t idx) | 
SNTP client API