c.structs.sheet

  # C Structures
  
  # Named Structure
  
  struct point {
    int x;
    int y;
  };
  
  struct point p = { 5, 10 };
  
  # Named With Several Initialized Points
  
  struct point {
    int x;
    int y;
  } a = { 1, 2 },
    b = { 5, 5 },
    c = { 2, 4 };
  
  # With Initial Array
  
  struct {
    int x;
    int y;
  } points[] = {
    { 1, 2 }, 
    { 2, 3 },
  };
  
  points[0].x
  points[0].y
  
  # With Initial Array '{' and '}' are optional
  
  static struct {
    char *string;
    char *str;
  } months[] = {
    "January",  "Jan", 
    "February", "Feb",
    "March",    "Mar", 
  };
  
  months[0].string
  months[0].str
  
  # Typedef
  
  typedef struct {
    int x;
    int y;
  } Point;
  
  Point p = { 1, 2 };
  
  # Self Referential TypedefR
  
  typedef struct _point_ {
    int x;
    int y;
    struct _point_ *last;
  } Point;
  
  Point a = { 1, 2, NULL };
  Point b = { 1, 2, &a };
  printf("<Point x:%d y:%d>\n", b.last->x, b.last->y);
  // => <Point x:1 y:2>