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#include<stdio.h>
#include<stdlib.h>
#include<sys/wait.h>
int main (int argc, char *argv[])
{
  char szline[256];
  FILE *fp;
  if (argc != 2)
    {
      printf ("usage: %s command\n", argv[0]);
      return 0;
    }
  if ((fp = popen (argv[1], "r")) == NULL)
    {
      printf ("the command %s not exist\n", argv[1]);
      return 0;
    }
  while (fgets (szline, sizeof (szline) - 1, fp) != NULL)
    {
      printf ("frome command:%s", szline);
    }
  pclose (fp);
  return 0;
}
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char* get_cmd_result(char* cmd)
{
    FILE *fp;
    char result[256];
    memset (result, 0,sizeof(result));
    if((fp=popen(cmd,"r"))==NULL)
    {
        printf("the command %s not exist\n",cmd);
        pclose(fp);
        return 0;
    }
    while(fgets(result,sizeof(result)-1,fp)!=NULL)
    {
#ifdef __DEBUG__
        g_print("get result is %s\n", result);
#endif
    }
    pclose(fp);
    return result;
}
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int func(x)
{
    int countx = 0;
    while(x)
    {
          countx ++;
          x = x&(x-1);
    ......

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    MVC ʽµÄ³öÏÖ²»½öʵÏÖÁ˹¦ÄÜÄ£¿éºÍÏÔʾģ¿éµÄ·ÖÀ룬ͬʱËü»¹Ìá¸ßÁËÓ¦ÓÃϵͳµÄ¿Éά»¤ÐÔ¡¢¿ÉÀ©Õ¹ÐÔ¡¢¿ÉÒÆÖ²ÐÔºÍ×é¼þµÄ¿É¸´ÓÃÐÔ
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[root@ocsser file]# cat array-05.c
//this is a program for two juzheng xiangcheng.
#include <stdio.h>
int main(){
        int i,j,m,n;
        int g,k,f;
        int c[5][6];
 & ......

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