Complex pointer declarations in C

int i;                  i as an int
int *i;                 i as a pointer to an int
int **i;                i is a pointer to a pointer to an int
int *(*i)();            i is a pointer to a function returning a
                          pointer to int
int *(*i[])();          i is an array of pointers to functions
                          returning pointers to an int
int *i[5];              i is an array of 5 pointers to int
int (*i)[5];            i is a pointer to an array of 5 ints
int *i();               i is a function returning a pointer to an int
int (*i)();             i is a pointer to a function returning int
int *(*(*i)())[5]       i is a pointer to a function returning a
                          pointer to an array of 5 pointers to an int

 

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https://www.cquestions.com/2009/11/how-to-read-complex-pointers-in-c.html

https://www.geeksforgeeks.org/complicated-declarations-in-c/