diff --git a/unix/uxmisc.c b/unix/uxmisc.c
index dc208637..4c6a7670 100644
--- a/unix/uxmisc.c
+++ b/unix/uxmisc.c
@@ -140,8 +140,9 @@ FILE *f_open(struct Filename filename, char const *mode, int is_private)
     if (!is_private) {
 	return fopen(filename.path, mode);
     } else {
+	int fd;
 	assert(mode[0] == 'w');	       /* is_private is meaningless for read */
-	int fd = open(filename.path, O_WRONLY | O_CREAT | O_TRUNC,
+	fd = open(filename.path, O_WRONLY | O_CREAT | O_TRUNC,
 		      0700);
 	if (fd < 0)
 	    return NULL;
diff --git a/unix/uxplink.c b/unix/uxplink.c
index b4fa6da1..e9c6c9e6 100644
--- a/unix/uxplink.c
+++ b/unix/uxplink.c
@@ -432,9 +432,9 @@ int get_userpass_input(prompts_t *p, unsigned char *in, int inlen)
 /*
  * Handle data from a local tty in PARMRK format.
  */
-static void from_tty(void *buf, unsigned len)
+static void from_tty(void *vbuf, unsigned len)
 {
-    char *p, *q, *end;
+    char *p, *q, *end, *buf = vbuf;
     static enum {NORMAL, FF, FF00} state = NORMAL;
 
     p = buf; end = buf + len;