- /* See comment in DATA_ORDER_IS_BIG_ENDIAN section. */
-# define HOST_c2l(c,l) ((l)=*((const unsigned int *)(c)), (c)+=4, l)
-# define HOST_l2c(l,c) (*((unsigned int *)(c))=(l), (c)+=4, l)
+# ifndef B_ENDIAN
+ /* See comment in DATA_ORDER_IS_BIG_ENDIAN section. */
+# define HOST_c2l(c,l) ((l)=*((const unsigned int *)(c)), (c)+=4, l)
+# define HOST_l2c(l,c) (*((unsigned int *)(c))=(l), (c)+=4, l)
+# endif