struct stat {
  @0x8 uint16 st_mode;
  @0x48 int64 st_size;
  @0x90;
};

struct timespec {                                                                
  @0 int tv_sec; /* seconds */
  @4 int tv_nsec; /* nanoseconds */
  @8;
};

struct in_addr {
  @0 unsigned int s_addr;
  @4;
};

typedef int16 sa_family_t;

struct sockaddr_in {
  @0 sa_family_t sin_family;      /* AF_INET */
  @2 unsigned short int sin_port;
  @4 struct in_addr sin_addr;
  @16; // minimum size of a struct sockaddr;
};