typedef unsigned char u_char;
typedef unsigned short u_short, ushort;
typedef unsigned u_int, uint;
typedef unsigned long u_long, ulong;
typedef long long quad_t;
typedef unsigned long long u_quad_t;
typedef unsigned char u_char;
typedef unsigned short u_short, ushort;
typedef unsigned u_int, uint;
typedef unsigned long u_long, ulong;
typedef long long quad_t;
typedef unsigned long long u_quad_t;