1 #define _CRT_SECURE_NO_WARNINGS
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <
string.h>
5 #include <Windows.h>
6
7 int exeshell(char *cmd, char *result)//传递指令,返回结果
8 {
9 FILE *pf = _popen(cmd, "r");//打开一个管道,用管道执行cmd,结果存放在管道中
10 if (pf == NULL)
11 {
12 printf("创建管道失败");
13 return 0;
14 }
15 else
16 {
17 while (!feof(pf))//如果没有到文件末尾
18 {
19 char str[256] = { 0 };
20 if (fgets(str, 256, pf))//返回值是读到多少个字符
21 {
22 strcat(result, str);//拼接字符串
23 }
24 }
25 _pclose(pf);//关闭管道
26
27 return 1;
28 }
29 }
30
31 void main()
32 {
33 char result[
1024 *
10] = {
0 };
//缓冲区
34
35 if (exeshell(
"tasklist", result)!=
0)
36 {
37 printf(
"%s", result);
38 }
39
40 char *p = strstr(result,
"QQ.exe");
41
42 int i =
0;
43 for (
char *p = strstr(result,
"QQ.exe"); p != NULL; p = strstr(p+
1,
"QQ.exe"))
44 {
45 i++
;
46 printf(
"QQ运行了%d个\n", i);
47 }
48
49 if (p !=
NULL)
50 {
51 MessageBoxA(
0,
"QQ运行中",
"提示",
0);
52 }
53 else
54 {
55 MessageBoxA(
0,
"不在运行",
"提示",
0);
56 }
57
58 }
转载于:https://www.cnblogs.com/xiaochi/p/8352813.html
相关资源：cmd管道技术向cmd发送字符
