Index: uspace/app/msim/arch_helenos/input.c
===================================================================
--- uspace/app/msim/arch_helenos/input.c	(revision ca4c6ec120df951515086223141c087ee2cca836)
+++ uspace/app/msim/arch_helenos/input.c	(revision f8cbe2c319e3f91e545d3d2749a8c2a1348c1a65)
@@ -38,4 +38,5 @@
 #include <tinput.h>
 #include <errno.h>
+#include <stdlib.h>
 
 static tinput_t *input_prompt;
Index: uspace/app/msim/arch_helenos/misc.c
===================================================================
--- uspace/app/msim/arch_helenos/misc.c	(revision ca4c6ec120df951515086223141c087ee2cca836)
+++ uspace/app/msim/arch_helenos/misc.c	(revision f8cbe2c319e3f91e545d3d2749a8c2a1348c1a65)
@@ -44,4 +44,5 @@
 #include <ctype.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 /* Define when the dprinter device shall try to filter
Index: uspace/lib/posix/include/posix/stdlib.h
===================================================================
--- uspace/lib/posix/include/posix/stdlib.h	(revision ca4c6ec120df951515086223141c087ee2cca836)
+++ uspace/lib/posix/include/posix/stdlib.h	(revision f8cbe2c319e3f91e545d3d2749a8c2a1348c1a65)
@@ -50,4 +50,5 @@
 #define _Exit exit
 extern int posix_atexit(void (*func)(void));
+extern void exit(int status);
 
 /* Absolute Value */