#include <stdio.h>
#include <string.h>

int main(int argc, char const *argv[])
{
    FIFE *fp = NULL;
    char buf[1024] = "";

    #ifdef WIN32
        fp = _popen("ls -l", "r");
    #else
        fp = popen("ls -l", "r");
    #endif

    if(fp == NULL){
        perror("popen error\n");
        return -1;
    }
    while(fgets(buf, sizeof(buf), fp) != 0){
        printf("%s\n", buf);
        memset(buf, 0x0, sizeof(buf));
    }
    pclose(fp);
    return 0;
}