--- Stdio_b/fwrite.c	2000/12/15 17:06:10	1.1
+++ Stdio_b/fwrite.c	2000/12/15 21:17:35	1.3
@@ -21,7 +21,7 @@
 		return 0;
 
 	if((rv = sfwrite(sf,buf,esize*nelts)) >= 0)
-		return rv/esize;
+		return esize == 0 ? 0 : rv/esize;
 	else
 	{	_stdseterr(f,sf);
 		return 0;