Constant libc::VM_FLAGS_RETURN_4K_DATA_ADDR 
source · pub const VM_FLAGS_RETURN_4K_DATA_ADDR: c_int = 0x800000;👎Deprecated since 0.2.55: Use the 
mach2 crate insteadpub const VM_FLAGS_RETURN_4K_DATA_ADDR: c_int = 0x800000;mach2 crate instead