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void Test(void){char *str = (char *) malloc(100); strcpy(str, “hello”); free(str); if


void Test(void){char *str = (char *)

malloc(100); strcpy(str, “hello”); free(str); if(str != NULL) { strcpy(str, “

world”); printf(str);}}请问运行 Test 函数会有什么样的结果?

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