#include <stdio.h>#include <stdlib.h>#include <stddef.h>#include <string.h>intmain(){        int a[2][10];        printf("%d\n", a[0]);        printf("%d\n", a);        printf("%d\n", a + 1);        exit(0);}

[root@localhost transform]# gcc -o test -Wall -g test.ctest.c: In function ‘main’:test.c:14: warning: format ‘%d’ expects type ‘int’, but argument 2 has type ‘int *’test.c:15: warning: format ‘%d’ expects type ‘int’, but argument 2 has type ‘int (*)[10]’test.c:16: warning: format ‘%d’ expects type ‘int’, but argument 2 has type ‘int (*)[10]’