gcc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations unistd/_POSIX_CHOWN_RESTRICTED.c -o unistd/_POSIX_CHOWN_RESTRICTED -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lxnet -lsocket -latomic
unistd/_POSIX_CHOWN_RESTRICTED.c:3:2: error: #error "_POSIX_CHOWN_RESTRICTED is not defined"
    3 | #error "_POSIX_CHOWN_RESTRICTED is not defined"
      |  ^~~~~