IT
popen example
kio467
2014. 11. 19. 15:34
#include <stdio.h>
#include <stdlib.h>
int main()
{
FILE *fp;
char buf[100];
int i = 0;
fp = popen("who|sort","r");
while(fgets(buf,100,fp)!=NULL)
printf("%3d %s", i++, buf);
pclose(fp);
return 0;
}