diff --git a/libc/arch-arm/bionic/crtbegin.c b/libc/arch-arm/bionic/crtbegin.c
index 0e2d31e..cc58797 100644
--- a/libc/arch-arm/bionic/crtbegin.c
+++ b/libc/arch-arm/bionic/crtbegin.c
@@ -26,21 +26,8 @@
  * SUCH DAMAGE.
  */
 
-typedef struct
-{
-    void (**preinit_array)(void);
-    void (**init_array)(void);
-    void (**fini_array)(void);
-} structors_array_t;
-
-extern int main(int argc, char **argv, char **env);
-
-extern void __libc_init(
-  unsigned int *elfdata,
-  void (*onexit)(void),
-  int (*slingshot)(int, char**, char**),
-  structors_array_t const * const structors
-);
+#include "../../bionic/libc_init_common.h"
+#include <stddef.h>
 
 __attribute__ ((section (".preinit_array")))
 void (*__PREINIT_ARRAY__)(void) = (void (*)(void)) -1;
@@ -51,17 +38,14 @@
 __attribute__ ((section (".fini_array")))
 void (*__FINI_ARRAY__)(void) = (void (*)(void)) -1;
 
-__attribute__((visibility("hidden")))
-void _start() {
+__LIBC_HIDDEN__ void _start() {
   structors_array_t array;
-  void *elfdata;
-
   array.preinit_array = &__PREINIT_ARRAY__;
-  array.init_array =    &__INIT_ARRAY__;
-  array.fini_array =    &__FINI_ARRAY__;
+  array.init_array = &__INIT_ARRAY__;
+  array.fini_array = &__FINI_ARRAY__;
 
-  elfdata = __builtin_frame_address(0) + sizeof(void *);
-  __libc_init(elfdata, (void *) 0, &main, &array);
+  void* raw_args = __builtin_frame_address(0) + sizeof(void*);
+  __libc_init(raw_args, NULL, &main, &array);
 }
 
 #include "__dso_handle.h"