#include<stdio.h>#include <unistd.h>#include <stdlib.h>#include <sys/time.h>#include <sys/resource.h>typedef struct v_block *p_block;struct v_block{        p_block next;        int free;        char *key;        char *value;        char data[];};int main() {p_block pmem=(p_block)malloc(40);pmem->next=0;pmem->free=0;pmem->key=pmem->data;int i;char *s="one";for(i=0;i<4;i++) {        *(pmem->key+i)=s[i];}pmem->value=http://www.mamicode.com/pmem->key+4;char *va="this is a value";for(i=0;i<15;i++) {        *(pmem->value+i)=va[i];}printf("%s ",pmem->value);printf("%s ",pmem->key);return 0;}