--- pgp/src/zfile_io.c	2018/04/24 16:38:46	1.1.1.2
+++ pgp/src/zfile_io.c	2018/04/24 16:39:29	1.1.1.3
@@ -52,7 +52,7 @@ UWORD *x;
         return 0;
 
     if (incnt == 0) {
-        if ((incnt = read(zipfd, inbuf, INBUFSIZ)) <= 0)
+        if ((incnt = read(zipfd, (char *) inbuf, INBUFSIZ)) <= 0)
             return 0;
         /* buffer ALWAYS starts on a block boundary:  */
         inptr = inbuf;
@@ -76,7 +76,7 @@ int FlushOutput()
 
     if (outcnt) {
 			len = outcnt;
-            if (write(outfd, outout, len) != len)
+            if (write(outfd, (char *) outout, len) != len)
 #ifdef MINIX
                 if (errno == EFBIG)
                     if (write(fd, outout, len/2) != len/2  ||