diff --git a/init.c b/init.c
index dffc39a..3e9266a 100644
--- a/init.c
+++ b/init.c
@@ -17,6 +17,7 @@
  */
 
 #include <stdint.h>
+#include <string.h>
 
 extern uint32_t __bss_start__[];
 extern uint32_t __bss_end__[];
@@ -29,9 +30,9 @@ void DATA_Init(void);
 
 void BSS_Init(void)
 {
-	uint32_t *pBss;
-	for (pBss = __bss_start__; pBss < __bss_end__; pBss++)
+	for (uint32_t *pBss = __bss_start__; pBss < __bss_end__; pBss++) {
 		*pBss = 0;
+	}
 }
 
 void DATA_Init(void)
@@ -39,8 +40,8 @@ void DATA_Init(void)
 	volatile uint32_t *pDataRam   = (volatile uint32_t *)sram_data_start;
 	volatile uint32_t *pDataFlash = (volatile uint32_t *)flash_data_start;
 	uint32_t           Size       = (uint32_t)sram_data_end - (uint32_t)sram_data_start;
-	unsigned int i;
 
-	for (i = 0; i < (Size / 4); i++)
+	for (unsigned int i = 0; i < (Size / 4); i++) {
 		*pDataRam++ = *pDataFlash++;
+	}
 }