gcc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations dirent/posix_getdents.c -o dirent/posix_getdents -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lxnet -lsocket -latomic
dirent/posix_getdents.c:5:44: error: 'posix_getdents' undeclared here (not in a function)
    5 | ssize_t (*foo)(int, void *, size_t, int) = posix_getdents;
      |                                            ^~~~~~~~~~~~~~