cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations netdb/struct-hostent-h_name.c -o netdb/struct-hostent-h_name -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
netdb/struct-hostent-h_name.c:2:17: error: ‘struct hostent’ declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
    2 | void foo(struct hostent* bar)
      |                 ^~~~~~~
netdb/struct-hostent-h_name.c: In function ‘foo’:
netdb/struct-hostent-h_name.c:4:26: error: invalid use of undefined type ‘struct hostent’
    4 |         char **qux = &bar->h_name;
      |                          ^~
cc1: all warnings being treated as errors