--- src/current/iozone.c	Wed Jun 26 23:45:45 2002
+++ src/current/iozone.c.orig	Mon Jul  1 16:06:47 2002
@@ -782,7 +782,7 @@
 void throughput_test();		/* Multi process throughput 	  */
 void multi_throughput_test();	/* Multi process throughput 	  */
 void prepage();			/* Pre-fault user buffer	  */
-#if defined(linux) || defined(solaris) || defined(__AIX__) || defined(OSFV5) || defined(UWIN) || defined(Windows)
+#ifdef HAVE_ANSIC_C
 float do_compute(float);	/* compute cycle simulation       */
 #else
 float do_compute();		/* compute cycle simulation       */
@@ -13030,27 +13030,27 @@
 }
 
 #ifndef ASYNC_IO
-async_read()
+int async_read()
 {
 	printf("Your system does not support async I/O\n");
 	exit(169);
 }
-async_write_no_copy()
+size_t async_write_no_copy()
 {
 	printf("Your system does not support async I/O\n");
 	exit(170);
 }
-async_write()
+size_t async_write()
 {
 	printf("Your system does not support async I/O\n");
 	exit(171);
 }
-async_read_no_copy()
+int async_read_no_copy()
 {
 	printf("Your system does not support async I/O\n");
 	exit(172);
 }
-async_release()
+void async_release()
 {
 	printf("Your system does not support async I/O\n");
 	exit(173);