1 files changed, 6 insertions, 1 deletions
diff --git a/src/include/string.h b/src/include/string.h
index 30c878d65..af535832f 100644..100755
--- a/src/include/string.h
+++ b/src/include/string.h
@@ -8,10 +8,15 @@ extern "C"
 {
 #endif
 
-    void* memset(void* s, int c, size_t n);
+    void *memset(void* s, int64_t c, size_t n);
+    void bzero(void *vdest, size_t len);
+    void *memcpy(void *dest, const void *src, size_t num);
+    void *memmove(void *vdest, const void *vsrc, size_t len);
+    int64_t memcmp(const void *p1, const void *p2, size_t len);
 
     char* strcpy(char* d, const char* s);
     int strcmp(const char* s1, const char* s2);
+    size_t strlen(const char* s1);
 
 #ifdef __cplusplus
 };