#include <dirent.h>
#include <errno.h>
#include <sys/types.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>

#define BUFFER_SIZE 1024

int main(){
char folder_name[254];
DIR *d;
char buffer[BUFFER_SIZE];
struct dirent *dir;
d = opendir("/proc");
char s1[254];

if(d){
    printf("PID             CMD \n");

    while((dir = readdir(d)) != NULL){
        if(folder_name[0] > '0' && folder_name[0] < '9'){
            printf("%s", dir->d_name);
            strcpy(s1, "/proc/");
            strcpy(s1, dir->d_name);


        }

    }
closedir(d);

}


return 0;
}