cc -pthread   -Wall -Wextra -Werror=implicit-function-declaration sys_shm/shmctl.c -o sys_shm/shmctl -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread  -lgdbm_compat -lintl -lnetwork -lbsd -latomic
sys_shm/shmctl.c:4:10: fatal error: sys/shm.h: No such file or directory
    4 | #include <sys/shm.h>
      |          ^~~~~~~~~~~
compilation terminated.