cc -O2 -pipe  -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations dirent/struct-posix_dent-d_reclen.c -o dirent/struct-posix_dent-d_reclen -D_POSIX_C_SOURCE=202405L  -lm -lpthread 
dirent/struct-posix_dent-d_reclen.c:2:17: error: declaration of 'struct posix_dent' will not be visible outside of this function [-Werror,-Wvisibility]
void foo(struct posix_dent* bar)
                ^
dirent/struct-posix_dent-d_reclen.c:4:2: error: use of undeclared identifier 'reclen_t'
        reclen_t *qux = &bar->d_reclen;
        ^
dirent/struct-posix_dent-d_reclen.c:4:12: error: use of undeclared identifier 'qux'
        reclen_t *qux = &bar->d_reclen;
                  ^
dirent/struct-posix_dent-d_reclen.c:4:22: error: incomplete definition of type 'struct posix_dent'
        reclen_t *qux = &bar->d_reclen;
                         ~~~^
dirent/struct-posix_dent-d_reclen.c:2:17: note: forward declaration of 'struct posix_dent'
void foo(struct posix_dent* bar)
                ^
dirent/struct-posix_dent-d_reclen.c:5:9: error: use of undeclared identifier 'qux'
        (void) qux;
               ^
5 errors generated.