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cc [ flag... ] file... -lsocket -lnsl -lsctp [ library... ] #include <sys/types.h> #include <sys/socket.h> #include <netinet/sctp.h> int sctp_getladdrs(int sock, sctp_assoc_t id, void **addrs);
void sctp_freeladdrs(void *addrs);
The sctp_getladdrs() function queries addresses to which an SCTP socket is bound. The sctp_freeladdrs() function releases resources that are allocated to hold the addresses.
The sctp_getladdrs() function returns all the locally bound addresses on the SCTP socket sock. On completion addrs points to a dynamically allocated array of sockaddr_in structures for an Internet Protocol (IPv4) socket or an array of sockaddr_in6 structures for an Internet Protocol Version 6 (IPv6) socket. The addrs parameter must not be NULL. For an IPv4 SCTP socket, the addresses returned in the sockaddr_in structures are IPv4 addresses. For an IPv6 SCTP socket, the addresses in the sockaddr_in6 structures can be IPv6 addresses or IPv4-mapped IPv6 addresses.
If sock is a one-to-many style SCTP socket, id specifies the association of interest. A value of 0 to id returns locally-bound addresses regardless of a particular association. If sock is a one-to-one style SCTP socket, id is ignored.
The sctp_freeladdrs() function frees the resources allocated by sctp_getladdrs(). The addrs parameter is the array of addresses allocated by sctp_getladdrs().
Upon successful completion, the sctp_getladdrs() function returns the number of addresses in the addrs array. Otherwise, the function returns -1 and sets errno to indicate the error.
The sctp_getladdrs() call fails under the following conditions. EBADF
The sock argument is an invalid file descriptor.
The sock argument is not a socket.
The addrs argument is NULL.
The id argument is an invalid socket.
See attributes(5) for descriptions of the following attributes:
| ATTRIBUTE TYPE ATTRIBUTE VALUE |
| Interface Stability Committed |
| MT-Level Safe |
bind(3SOCKET), in.h(3HEAD), libsctp(3LIB), sctp_freepaddrs(3SOCKET), sctp_getpaddrs(3SOCKET), sockaddr(3SOCKET), socket(3SOCKET), attributes(5), inet(7P), inet6(7P), ip(7P), ip6(7P), sctp(7P)