C: fwrite_le.*: update to revision 3acee16

c-programming/io/fwrite_le.h

@@ -5,22 +5,31 @@
  * License: Unlicense
  */
 
+#ifndef _FWRITE_LE_H
+#define _FWRITE_LE_H
+
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
-#ifndef _FWRITE_LE_H
-#define _FWRITE_LE_H
-
 #define FWRITE_LE_NO_MODIFICATION 0
 
 #define DETECTED_LITTLE_ENDIAN 0
 #define DETECTED_BIG_ENDIAN 1
 #define UNSUPPORTED_ENDIANNESS -1
 
+#define ORDER_NATIVE_U32 0x01234567
+#define ORDER_LITTLE_ENDIAN_S4 "\x67\x45\x23\x01"
+#define ORDER_BIG_ENDIAN_S4 "\x01\x23\x45\x67"
+#define ifeq_b32_ret(lhs, rhs, value) if (!memcmp(lhs, rhs, 4)) return value;
+
 int detect_endianness(void);
-size_t fwrite_le(void* ptr, size_t size, size_t count, FILE* stream);
+size_t fwrite_le(
+#if FWRITE_LE_NO_MODIFICATION
+	const
+#endif
+	void* ptr, size_t size, size_t count, FILE* stream);
 void reorder_le_be(
 #if FWRITE_LE_NO_MODIFICATION
 	uint8_t* dest, uint8_t* src,