Frees system resources used by an address information structure.
    Format
      #include  <netdb.h>
      void freeaddrinfo  ( struct addrinfo *ai );

1  –  Arguments

 ai
    Points to an addrinfo structure to be freed. The NETDB.H header
    file defines the addrinfo structure.

2  –  Description

    This function frees an addrinfo structure and any dynamic storage
    pointed to by the structure. The process continues until the
    function encounters a NULL ai_next pointer.