#include
#include
#include
int main()
{
FILE *fp;
fp=fopen("222","wt+");
char *p;
char r[10];
p=(char *)malloc(9);
p="01234\n789";
printf("%d\n",strlen(p));
fwrite(p,1,strlen(p),fp);
fread(r,1,9,fp);
r[9]='\0';
printf("%s\n",r);
fclose(fp);
return 0;
}
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