arrpt.c

C源码集

#include <stdio.h>

int main ()
{
	int even[5] = {2, 4, 6, 8, 10};
	long int odd[5] = {1, 3, 5, 7, 9};
	long double bignum[5] = {1.23456, 12.3456, 123.456, 1234.56, 12345.6};
	char word[5] = {'h', 'e', 'l', 'l', 'o'};

	int *p = even;
	long int *q = odd;
	long double *r = bignum;
	char *s = word;
	int i, *x, *y;

	for (i = 0; i < 5; i++)
	printf("%i \t %li \t %Lf \t %c \n",
				*p++, *q++, *r++, *s++);


	printf("\nresetting\n\n");
	p--; q--; r--; s--;

	for (i = 0; i < 5; i++)
	printf("%i \t %li \t %Lf \t %c \n",
				*p--, *q--, *r--, *s--);

	p += 3;
	printf("\n%i\n", *p);

	x = odd + 4;
	y = odd;
	printf("x (points to %i) - y (points to %i) is %i\n", *x, *y, x - y);

	return 0;
}