学步园

int main()<br /> {<br /> int x=1;</p> <p> /*the first method */<br /> if(*(char *) &x==1)<br /> printf("little/n");<br /> else<br /> printf("big/n");</p> <p> /*the second method*/<br /> x = (char)x;<br /> if(x == 1)<br /> printf("little/n");<br /> else<br /> printf("big/n");</p> <p> /*the third method*/<br /> union<br /> {<br /> int i;<br /> char c[sizeof(int)];<br /> }y;<br /> y.i =1;<br /> if(y.c[0] == 1)<br /> printf("little/n");<br /> else<br /> printf("big/n");<br /> }