Name-vs-Address Translation Functions (Protocol Independent)

• Name to address

• int getaddrinfo(const char *nodename,

• const char　*servname,

• const struct addrinfo *hints,

• struct addrinfo **res);

• Address to name

• int getnameinfo(const struct sockaddr *sa,

• socklen_t salen,

• char *host, size_t hostlen,

• char *serv, size_t servlen,

• int flags);

Notes: