-void md5_block_host_order (MD5_CTX *c, const void *p,int num);
-void md5_block_data_order (MD5_CTX *c, const void *p,int num);
+void md5_block_host_order (MD5_CTX *c, const void *p,size_t num);
+void md5_block_data_order (MD5_CTX *c, const void *p,size_t num);