diff --git a/scsh/network1.c b/scsh/network1.c
index 5eed933..e1d2e53 100644
--- a/scsh/network1.c
+++ b/scsh/network1.c
@@ -22,7 +22,7 @@
 /* Make sure our exports match up w/the implementation: */
 #include "network1.h"
 
-#ifndef __CYGWIN__
+#if !defined(__CYGWIN__) && !defined(_AIX)
 extern int h_errno;
 #endif
 
diff --git a/unix.c b/unix.c
index f5fdb76..c5eb30c 100644
--- a/unix.c
+++ b/unix.c
@@ -523,7 +523,7 @@ fill_the_table(void)
 	entry.n_scnum != N_UNDEF &&
 	entry.n_scnum != N_DEBUG)
       {
-	extern char *ldgetname(LDFILE *, SYMENT *);
+	extern char *ldgetname(LDFILE *, void *);
 	char *p = ldgetname(f, &entry);
 
 	if (p != NULL && p[0] == '.') {