3 files changed, 3 insertions, 0 deletions
diff --git a/cpukit/posix/src/mmap.c b/cpukit/posix/src/mmap.c
index 8f47d3b6d5..b5af180d3d 100644
--- a/cpukit/posix/src/mmap.c
+++ b/cpukit/posix/src/mmap.c
@@ -19,6 +19,7 @@
 #include <rtems.h>
 #include <errno.h>
 #include <stdlib.h>
+#include <string.h>
 #include <sys/mman.h>
 #include <sys/stat.h>
 #include <unistd.h>
diff --git a/cpukit/posix/src/shmheap.c b/cpukit/posix/src/shmheap.c
index b36fc28b4b..6e8e53d568 100644
--- a/cpukit/posix/src/shmheap.c
+++ b/cpukit/posix/src/shmheap.c
@@ -16,6 +16,7 @@
 
 #include <errno.h>
 #include <stdlib.h>
+#include <string.h>
 #include <rtems/posix/shmimpl.h>
 
 int _POSIX_Shm_Object_create_from_heap(
diff --git a/cpukit/posix/src/shmwkspace.c b/cpukit/posix/src/shmwkspace.c
index cfe4d01e59..94456e2c5c 100644
--- a/cpukit/posix/src/shmwkspace.c
+++ b/cpukit/posix/src/shmwkspace.c
@@ -15,6 +15,7 @@
 #endif
 
 #include <errno.h>
+#include <string.h>
 #include <rtems/score/wkspace.h>
 #include <rtems/posix/shmimpl.h>