Move m_typeof to core module.

m-core.h

@@ -142,7 +142,6 @@
 # define M_ATTR_COLD_FUNCTION
 #endif
 
-
 /* Prefetch . */
 #if defined(__GNUC__)
 # define M_PREFETCH(p)           __builtin_prefetch((p), 0, 0)
@@ -153,6 +152,17 @@
   } while (0)
 #endif
 
+/* Definition of the typeof keyword
+   In C23, we can use the standard keyword.
+   Otherwise we use some extensions of the compilers. */
+#ifdef _MSC_VER
+#define m_typeof(x) decltype(x)
+#elif defined(__GNUC__)   
+#define m_typeof(x) __typeof__(x)
+#else
+#define m_typeof(x) typeof(x)
+#endif
+
 /* Ignore some warnings detected by some compilers in the library.
  * Whatever we do, there is some warnings that cannot be fixed.
  * So they are ignored in order to avoid polluting the user with

m-generic.h

@@ -101,17 +101,6 @@
 /********************************** INTERNAL *********************************/
 /*****************************************************************************/
 
-/* Definition of the typeof keyword
-   In C23, we can use the standard keyword.
-   Otherwise we use some extensions of the compilers. */
-#ifdef _MSC_VER
-#define m_typeof(x) decltype(x)
-#elif defined(__GNUC__)   
-#define m_typeof(x) __typeof__(x)
-#else
-#define m_typeof(x) typeof(x)
-#endif
-
 // Instead of using expensive M_SEQ(1,50), precompute it:
 #define M_G3N_SEQ_INT                                                         \
   1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,  \