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Gustav Atmel
lwip_ip6_addr.c File Reference
IPv6 addresses. More...
Go to the source code of this file.
Functions | |
| int | ip6addr_aton (const char *cp, ip6_addr_t *addr) |
| Check whether "cp" is a valid ascii representation of an IPv6 address and convert to a binary address. | |
| char * | ip6addr_ntoa (const ip6_addr_t *addr) |
| Convert numeric IPv6 address into ASCII representation. | |
| char * | ip6addr_ntoa_r (const ip6_addr_t *addr, char *buf, int buflen) |
| Same as ipaddr_ntoa, but reentrant since a user-supplied buffer is used. | |
Detailed Description
IPv6 addresses.
Definition in file lwip_ip6_addr.c.
Function Documentation
| int ip6addr_aton | ( | const char * | cp, |
| ip6_addr_t * | addr | ||
| ) |
Check whether "cp" is a valid ascii representation of an IPv6 address and convert to a binary address.
Returns 1 if the address is valid, 0 if not.
- Parameters:
-
cp IPv6 address in ascii representation (e.g. "FF01::1") addr pointer to which to save the ip address in network order
- Returns:
- 1 if cp could be converted to addr, 0 on failure
Definition at line 73 of file lwip_ip6_addr.c.
| char* ip6addr_ntoa | ( | const ip6_addr_t * | addr ) |
Convert numeric IPv6 address into ASCII representation.
returns ptr to static buffer; not reentrant!
returns ptr to static buffer; not reentrant!
- Parameters:
-
addr ip6 address in network order to convert
- Returns:
- pointer to a global static (!) buffer that holds the ASCII representation of addr
Definition at line 175 of file lwip_ip6_addr.c.
| char* ip6addr_ntoa_r | ( | const ip6_addr_t * | addr, |
| char * | buf, | ||
| int | buflen | ||
| ) |
Same as ipaddr_ntoa, but reentrant since a user-supplied buffer is used.
- Parameters:
-
addr ip6 address in network order to convert buf target buffer where the string is stored buflen length of buf
- Returns:
- either pointer to buf which now holds the ASCII representation of addr or NULL if buf was too small
Definition at line 191 of file lwip_ip6_addr.c.
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