diff --git a/STATUS b/STATUS
index 754cb1f..f6d260e 100644
--- a/STATUS
+++ b/STATUS
@@ -225,6 +225,9 @@ TEST:       Function/symbol/macro needs to be tested
 
 7.25 <wctype.h>                              TODO (not a priority)
 
+(EXT) <alloca.h>
+     (EXT)     alloca                        -
+
 # Supporting locales
 
 What if we wanted to support more locales?
diff --git a/include/alloca.h b/include/alloca.h
new file mode 100644
index 0000000..343d16d
--- /dev/null
+++ b/include/alloca.h
@@ -0,0 +1,21 @@
+#ifndef __ALLOCA_H__
+# define __ALLOCA_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stddef.h>
+
+#undef alloca
+
+/* Allocate a block of memory on the stack. */
+extern void *alloca(size_t __size);
+
+#define alloca(size) __builtin_alloca(size)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__ALLOCA_H__*/