cc -O2 -pipe -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations ndbm/datum-dsize.c -o ndbm/datum-dsize -D_POSIX_C_SOURCE=202405L  -lm -lpthread -lrt  -lstdthreads -lcrypt
ndbm/datum-dsize.c:10:10: error: incompatible pointer types initializing 'size_t *' (aka 'unsigned long *') with an expression of type 'int *' [-Werror,-Wincompatible-pointer-types]
   10 |         size_t *qux = &bar->dsize;
      |                 ^     ~~~~~~~~~~~
1 error generated.