1  #pragma GCC system_header
       2  
       3  #define bzero    __builtin_bzero
       4  #define memcpy   __builtin_memcpy
       5  #define memmove  __builtin_memmove
       6  #define mempcpy  __builtin_mempcpy
       7  #define memset   __builtin_memset
       8  #define strcat   __builtin_strcat
       9  #define stpcpy   __builtin_stpcpy
      10  #define stpncpy  __builtin_stpncpy
      11  #define strcpy   __builtin_strcpy
      12  #define strncpy  __builtin_strncpy
      13  #define strncat  __builtin_strncat