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-rw-r--r--cpukit/libcsupport/src/isatty_r.c1
-rw-r--r--cpukit/libcsupport/src/malloc_sbrk_helpers.c2
2 files changed, 3 insertions, 0 deletions
diff --git a/cpukit/libcsupport/src/isatty_r.c b/cpukit/libcsupport/src/isatty_r.c
index d720d7a927..3e2e2baa14 100644
--- a/cpukit/libcsupport/src/isatty_r.c
+++ b/cpukit/libcsupport/src/isatty_r.c
@@ -21,6 +21,7 @@
#if defined(RTEMS_NEWLIB) && !defined(HAVE__ISATTY_R)
+#include <unistd.h>
#include <reent.h>
#include <sys/stat.h>
diff --git a/cpukit/libcsupport/src/malloc_sbrk_helpers.c b/cpukit/libcsupport/src/malloc_sbrk_helpers.c
index f630b2b137..e917fd36af 100644
--- a/cpukit/libcsupport/src/malloc_sbrk_helpers.c
+++ b/cpukit/libcsupport/src/malloc_sbrk_helpers.c
@@ -15,6 +15,8 @@
#include "config.h"
#endif
+#include <unistd.h> /* sbrk */
+
#include <rtems.h>
#include <rtems/malloc.h>
#include "malloc_p.h"