Files in a directory

# include

# include

# include “ourhdr.h”

int

main(int argc, char *argv [ ] )

{

DIR *dp;

struct dirent * dirp;

if(argc ! = 2)

err_quit(“a single argument (the directory name ) is required”);

if( ( dp= opendir(argv [1] ) ) = = NULL)

err_sys(“can’t open %s”, argv[1] );

while ( (dirp = readdir(dp) )! = NULL)

printf(“%s\n”, dirp ->d_name);

closedir(dp);

exit (0);

}