gcc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations sys_mman/POSIX_TYPED_MEM_ALLOCATE.c -o sys_mman/POSIX_TYPED_MEM_ALLOCATE -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lxnet -lsocket -latomic
sys_mman/POSIX_TYPED_MEM_ALLOCATE.c:3:17: error: 'POSIX_TYPED_MEM_ALLOCATE' undeclared here (not in a function)
    3 | int const foo = POSIX_TYPED_MEM_ALLOCATE;
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~