#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>

#define BUFFSIZE (128*1024)
typedef unsigned long long jiff;

int main() {
static char buff[BUFFSIZE]; /* used in the procedures */
static int fd;
jiff cuse;
jiff cice;
jiff csys;
jiff cide;
jiff ciow;
jiff cxxx;
jiff cyyy;
jiff czzz;
unsigned intr;
const char* b=NULL;

buff[BUFFSIZE-1] = 0;  /* ensure null termination in buffer */

if (fd) {
	lseek(fd, 0L, SEEK_SET);
	}else{
	fd = open("/proc/stat", O_RDONLY, 0);
	if(fd == -1) perror("/proc/stat");
}

  read(fd,buff,BUFFSIZE-1);

	intr = 0;
  ciow = 0;  /* not separated out until the 2.5.41 kernel */
  cxxx = 0;  /* not separated out until the 2.6.0-test4 kernel */
  cyyy = 0;  /* not separated out until the 2.6.0-test4 kernel */
  czzz = 0;  /* not separated out until the 2.6.11 kernel */

  b = strstr(buff, "cpu ");
  if (b) { 
	sscanf(b,  "cpu  %Lu %Lu %Lu %Lu %Lu %Lu %Lu %Lu", &cuse, &cice, &csys, &cide, &ciow, &cxxx, &cyyy, &czzz);
	printf("%llu %llu %llu %llu %llu %llu %llu %llu\n",cuse,cice,csys,cide,ciow,cxxx,cyyy,czzz);
	return 0;
	} else {
	printf("strstr failed\n");
	}
}