cc -pthread   -Wall -Wextra -Werror=implicit-function-declaration unistd/gethostid.c -o unistd/gethostid -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread  -lgdbm_compat -lintl -lnetwork -lbsd -latomic
unistd/gethostid.c: In function 'main':
unistd/gethostid.c:10:9: error: implicit declaration of function 'gethostid'; did you mean 'getresuid'? [-Werror=implicit-function-declaration]
   10 |         gethostid();
      |         ^~~~~~~~~
      |         getresuid
cc1: some warnings being treated as errors