extern void put_md_name(char *name);
extern char *devid2kname(int devid);
-extern char *devid2devnm(int devid);
-extern int devnm2devid(char *devnm);
+extern char *devid2devnm(dev_t devid);
+extern dev_t devnm2devid(char *devnm);
extern char *get_md_name(char *devnm);
extern char DefaultConfFile[];