-#define major(dev) ({ unsigned long long l=(dev); ((l>>8) & 0xfff) | (l >> 32) & 0xfffff000; })
-#define minor(dev) ({ unsigned long long l=(dev); (l & 0xff) | ((l>>12)&0xffffff00); })
-#define makedev(maj,min) ({ unsigned long long a=(maj), i=(min); ((a&0xfff)<<8) | (i&0xff) | ((a&~0xfff)<<32) | ((i&0xfffff00)<<12); })
-+#define major(dev) \
-+ ((unsigned int)((((unsigned long long int)(dev) >> 8) & 0xfff) \
-+ | ((unsigned int) ((unsigned long long int)(dev) >> 32) & ~0xfff)))
-+#define minor(dev) \
-+ ((unsigned int)(((unsigned long long int)(dev) & 0xff) \
-+ | ((unsigned int) ((unsigned long long int)(dev) >> 12) & ~0xff)))
-+#define makedev(maj,min) \
-+ ((unsigned long long int)(((unsigned int)(minor) & 0xff) \
-+ | (((unsigned int)(major) & 0xfff) << 8) \
-+ | (((unsigned long long int) ((minor) & ~0xff)) << 12) \
-+ | (((unsigned long long int) ((major) & ~0xfff)) << 32)))
++#define major(__dev) \
++ ((unsigned int)((((unsigned long long int)(__dev) >> 8) & 0xfff) \
++ | ((unsigned int) ((unsigned long long int)(__dev) >> 32) & ~0xfff)))
++#define minor(__dev) \
++ ((unsigned int)(((unsigned long long int)(__dev) & 0xff) \
++ | ((unsigned int) ((unsigned long long int)(__dev) >> 12) & ~0xff)))
++#define makedev(__maj,__min) \
++ ((unsigned long long int)(((unsigned int)(__min) & 0xff) \
++ | (((unsigned int)(__maj) & 0xfff) << 8) \
++ | (((unsigned long long int) ((__min) & ~0xff)) << 12) \
++ | (((unsigned long long int) ((__maj) & ~0xfff)) << 32)))
extern int chmod (const char *__file, mode_t __mode) __THROW;
extern int fchmod (int __fd, mode_t __mode) __THROW;