--- fmtheaders.h.old	2005-06-11 01:22:20.000000000 +0300
+++ fmtheaders.h	2005-06-11 01:16:59.000000000 +0300
@@ -60,23 +60,25 @@
    are in only in this combination, so I combined them in one header;
    it works on all WAVE-file I have
  */
+typedef unsigned int u_long32;
+
 typedef struct wavhead
   {
-    u_long main_chunk;		/* 'RIFF' */
-    u_long length;		/* Length of rest of file */
-    u_long chunk_type;		/* 'WAVE' */
+    u_long32 main_chunk;		/* 'RIFF' */
+    u_long32 length;		/* Length of rest of file */
+    u_long32 chunk_type;		/* 'WAVE' */
 
-    u_long sub_chunk;		/* 'fmt ' */
-    u_long sc_len;		/* length of sub_chunk, =16 (rest of chunk) */
+    u_long32 sub_chunk;		/* 'fmt ' */
+    u_long32 sc_len;		/* length of sub_chunk, =16 (rest of chunk) */
     u_short format;		/* should be 1 for PCM-code */
     u_short modus;		/* 1 Mono, 2 Stereo */
-    u_long sample_fq;		/* frequence of sample */
-    u_long byte_p_sec;
+    u_long32 sample_fq;		/* frequence of sample */
+    u_long32 byte_p_sec;
     u_short byte_p_spl;		/* samplesize; 1 or 2 bytes */
     u_short bit_p_spl;		/* 8, 12 or 16 bit */
 
-    u_long data_chunk;		/* 'data' */
-    u_long data_length;		/* samplecount (lenth of rest of block?) */
+    u_long32 data_chunk;		/* 'data' */
+    u_long32 data_length;		/* samplecount (lenth of rest of block?) */
   }
 wavhead;