#include<stdio.h>#include<stdlib.h>void main(){int *p,t;p=(int*)malloc(40*sizeof(int));if(!p){ printf("\t内存已用完!\t"); exit(0);}for(t=0;t<40;++t)*(p+t)=t;for(t=0;t<40;++t)printf("\t%d",*(p+t));free(p);}