1. 根目录:
2. arch
3. m32r
4. include
5. uapi
6. asm
7. swab.h

#ifndef _ASM_M32R_SWAB_H
#define _ASM_M32R_SWAB_H

#include <linux/types.h>

#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
#  define __SWAB_64_THRU_32__
#endif

#endif /* _ASM_M32R_SWAB_H */