#include<stdio.h>
#include<stdlib.h>
#include<string.h>
int main()
{
FILE *fh = popen("ifconfig 2> /dev/null", "r");
char iwstation[4096] = {0};
char total[4096] ={0};
while(fgets(iwstation, 4096, fh)!=NULL){
strcat(total,iwstation);
);
}
pclose(fh);
printf("
end--res = %s
",total);
return 0;
}