make MYDDAS into its own module.

library/lammpi/prologterms2c.h

@@ -70,6 +70,8 @@ void write_msg(const char *fun,const char *file, int line,const char *format, ..
 
 extern int BLOCK_SIZE;
 
+#define buffer (buffers[YAP_ThreadSelf()])
+
 // deletes the buffer (all fields) but does not release the memory of the buffer.ptr
 #define DEL_BUFFER   {buffer.ptr=NULL;buffer.size=0;buffer.len=0;buffer.pos=0;}
 //  informs the prologterm2c module that the buffer is now used and should not be messed
@@ -92,6 +94,7 @@ struct buffer_ds {
   char *ptr;    // pointer to the buffer
   size_t pos;    // position (used while reading)
 };
-extern struct buffer_ds buffer;
+extern struct buffer_ds buffers[1024];
+
 
 #endif