cc -pthread   -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations ndbm/dbm_firstkey.c -o ndbm/dbm_firstkey -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -lcrypt -latomic
/usr/lib/gcc/x86_64-alpine-linux-musl/15.2.0/../../../../x86_64-alpine-linux-musl/bin/ld: ../out/linux/include/ndbm/dbm_firstkey.o:(.data.rel+0x0): undefined reference to `dbm_firstkey'
collect2: error: ld returned 1 exit status