МОЭВМ Вики [se.moevm.info]

• typedef

// Programming 1. Sample at 2016-11-24-14-07.27
#include <stdio.h>
 
struct Person {
  int a;
};
 
typedef struct 
{
  int p;
} PersonType;
 
typedef int Int32;
 
int main(/*int c, char **v */)
{
  Int32 a;
 
  PersonType p;
 
  return p.p;
}