#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <malloc.h>
main()
{
char *p;
char *q;
p=(char*)malloc(25*sizeof(char));
if(p==NULL) exit(1);
//q=(char*)malloc(10*sizeof(char));
//if(q==NULL) exit(1);
strcpy(p??"dongbeijadlf");
q="chenyudgf";
printf("%s "??q);
printf("%s "??p);
strcat(p??q);
printf("%s "??p);
free(p);
p=NULL;
//free(q);
//q=NULL;
}
??????????????????????????????
????????峣????????????
q=“chenyujie”??????chenyujie??????????????????????????????????????????????????治????????????p???????????????????strcpy?????????????????????????????????????strcat???????????????????
???????????????????????????????????д???????????????????