Question

Saw this in an answer to another question:

char (*arrs)[rowSize] = malloc(bytesPerTable);

What is arrs? / why are there parentheses / what is the description of this declaration?

Answer 1

int *a[10] – This means, a is an array of 10 elements and the element type is int * Size of variable a will be 40 bytes in 32 bit machine or 80 bytes in 64 bit machine.

int (*a)[10] – This means, a is a pointer variable and its size will be 4 bytes(or 8 bytes), which can hold address of a int array of size 10 like below.

int (*a)[10] = NULL;
int b[10] = {0};
a = &b;