cc -pthread  -Wall -Wextra -Werror=implicit-function-declaration netdb/gethostent.c -o netdb/gethostent -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt -lintl -liconv
netdb/gethostent.c: In function ‘main’:
netdb/gethostent.c:11:15: error: implicit declaration of function ‘gethostent’; did you mean ‘getnetent’? [-Wimplicit-function-declaration]
   11 |         if ( !gethostent() && errno )
      |               ^~~~~~~~~~
      |               getnetent