15.C语言多线程实现变色龙以及cmd窗口标题变化

 1 #define _CRT_SECURE_NO_WARNINGS
 2 
 3 #include <stdlib.h>
 4 #include <stdio.h>
 5 #include <Windows.h>
 6 #include <process.h>
 7 #include <time.h>
 8 
 9 void title(void *p)
10 {
11     char title[100];
12     int i = 0;
13 
14     while (1)
15     {
16         sprintf(title, "title 程序已经运行了%d秒", i);
17         system(title);
18         i++;
19         Sleep(1000);
20     }
21 
22 }
23 
24 void color_change(void *p)
25 {
26     char color[100];
27     srand(time(0));
28     while (1)
29     {
30         int num1 = rand() % 16;
31         int num2 = rand() % 16;
32         sprintf(color, "color %x%x", num1, num2);
33         system(color);
34         Sleep(1000);
35     }
36 }
37 
38 void main()
39 {
40     _beginthread(title, 0, NULL);
41     _beginthread(color_change, 0, NULL);
42     
43 
44     system("pause");
45 }