#include<string.h>
int main(int argc, char *argv[]) {
char buf[20]="stupid";
char *p;
printf("buf: %s\n",buf);
p = buf;
printf("p: %s\n",buf);
free(p);
printf("buf: %s\n",buf);
//return 0;
}
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console
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buf: stupid
p: stupid
buf: stupid