#include <stdio.h>
#include <dirent.h>

int	selectit(struct dirent *d)
{
int	x,y,z;
int	size;
char	s[2000];
size = strlen(d->d_name);
strcpy(s,d->d_name);
for(x=0;x<size;x++)
	{
	if(strncmp(&s[x],".jpg",4) == 0)
		return(1);
	if(strncmp(&s[x],".JPG",4) == 0)
		return(1);
	}
return(0);
}

main(int argc, char **argv)
{
int	x,y,z;
char	s[2000];
DIR	*mydir;
FILE	*output;
struct	dirent	*de;
struct	dirent **namelist;
int	size;

output = fopen("/tmp/aaaaa","w+");
if(output == NULL)
	{
	perror("fopen");
	exit(1);	
	}
size = scandir(argv[1], &namelist, selectit, alphasort);
if (size < 0)
	perror("scandir");
else
	{
	x = 0;
	while(x < size)
		{
		printf("%s %d\n", namelist[x]->d_name,namelist[x]->d_off);
		z = namelist[x]->d_off;
		fwrite(&z,sizeof z, 1,output);
		free(namelist[x]);
		x++;
		}

	free(namelist);
	}
fclose(output);
}