cc -pthread   -Wall -Wextra -Werror=implicit-function-declaration ndbm/dbm_open.c -o ndbm/dbm_open -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -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/basic/ndbm/dbm_open.o: in function `main':
dbm_open.c:(.text+0x1221): undefined reference to `dbm_open'
collect2: error: ld returned 1 exit status