int make_directory (const char *);
char *unique_name (const char *, bool);
FILE *unique_create (const char *, bool, char **);
-FILE *fopen_excl (const char *, bool);
+FILE *fopen_excl (const char *, int);
char *file_merge (const char *, const char *);
int fnmatch_nocase (const char *, const char *, int);