+
−#include <sys/types.h>
+
−#include <sys/stat.h>
+
−#include <stdbool.h>
+
−
+
−#include "hash.h"
+
−
+
−extern void record_file (Hash_table *ht, char const *file,
+
−			 struct stat const *stats)
+
−  __attribute__((nonnull(2, 3)));
+
−
+
−extern bool seen_file (Hash_table const *ht, char const *file,
+
−		       struct stat const *stats);