         return Glibc.MSG_DONTWAIT
     }
     
+    #if os(FreeBSD)
     public var MSG_EOF: macro_int_t {
         return Glibc.MSG_EOF
     }

        return Glibc.SCM_TIMESTAMP
    }
    
    public var SCM_CREDS: macro_int_t {
        return Glibc.SCM_CREDS
    }

    public var MSG_NEEDSA: macro_int_t {
        return Glibc.MSG_NEEDSA
    }
    #endif
    
    public typealias cmsghdr = Glibc.cmsghdr
    
    
    public var SCM_RIGHTS: macro_int_t {
        return Glibc.SCM_RIGHTS
