使用一维数组型指针作为二维数组形参

[c]代码库

/* 使用一维数组型指针作为二维数组形参 */
#include <stdio.h>

#define ROW_SIZE	3
#define COL_SIZE	3

void print_array(int (*p)[COL_SIZE], const int row) {
	int i, j;

	for (i = 0; i < row; ++i) {
		for (j = 0; j < COL_SIZE; ++j)
			printf("%4d", *(*p + j));
		printf("\n");
		++p;
	}
}

void reverse(int (*p)[COL_SIZE], const int row) {
	int i, j;

	for (j = 0; j < COL_SIZE; ++j) {
		for (i = 0; i < row; ++i)
			printf("%4d", *(*(p + i) + j));
		printf("\n");
	}
}

int main(void) {
	int array[ROW_SIZE][COL_SIZE] = { { 1, 2, 3 }, { 11, 12, 13 },
			{ 21, 22, 23 } };

	printf("Output the matrix:\n");
	print_array(array, ROW_SIZE);

	printf("Reverse the matrix:\n");
	reverse(&array[0], ROW_SIZE);

	return 0;
}