#ifndef _LINUX_NVRAM_H#define _LINUX_NVRAM_H#include <uapi/linux/nvram.h>/* __foo is foo without grabbing the rtc_lock - get it yourself */externunsignedchar__nvram_read_byte(inti);externunsignedcharnvram_read_byte(inti);externvoid__nvram_write_byte(unsignedcharc,inti);externvoidnvram_write_byte(unsignedcharc,inti);externint__nvram_check_checksum(void);externintnvram_check_checksum(void);#endif /* _LINUX_NVRAM_H */