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   freeaddrinfo    ( 3 )

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Синопсис (Synopsis)

#include <sys/types.h>
       #include <sys/socket.h>
       #include <netdb.h>

       int getaddrinfo(const char *restrict node,
                       const char *restrict service,
                       const struct addrinfo *restrict hints,
                       struct addrinfo **restrict res);

       void freeaddrinfo(struct addrinfo *res);

       const char *gai_strerror(int errcode);

   Feature Test Macro Requirements for glibc (see
   feature_test_macros(7)):

       getaddrinfo(), freeaddrinfo(), gai_strerror():
           Since glibc 2.22:
               _POSIX_C_SOURCE >= 200112L
           Glibc 2.21 and earlier:
               _POSIX_C_SOURCE