求助：avr编程 WinAVR程序移植到iar for avr 出现错误 -

/* PGM_P points into program address space */ PGM_P指向程序地址空间
#ifdef __HAS_ELPM__
#define PGM_P const char __farflash *
#define PGM_VOID_P const void __farflash *
#else
#define PGM_P const char __flash *
#define PGM_VOID_P const void __flash *
#endif /* __HAS_ELPM__ */
#define __PRINTFPR_P _Pragma("__printf_args") \
_Pragma("library_default_requirements _formatted_write_P = unknown")
#define __SCANFPR_P _Pragma("__scanf_args") \
_Pragma("library_default_requirements _formatted_read_P = unknown")
/* Language extensions are necessary to cope with multiple address spaces */
必须使用语言扩展才能应对多个地址空间
#pragma language=save
#pragma language=extended
__PRINTFPR_P int printf_P(PGM_P __format,...);
__SCANFPR_P int scanf_P(PGM_P __format,...);
__PRINTFPR_P int sprintf_P(char *__s,PGM_P __format,...);
__SCANFPR_P int sscanf_P(const char *__s, PGM_P __format,...);
int puts_P(PGM_P __s);
PGM_P strerror_P(int errnum);
size_t strlen_P(PGM_P s);
__x_z int memcmp_P(const void *, PGM_VOID_P, size_t);
__x_z void *memcpy_P(void *, PGM_VOID_P, size_t);
__x_z char *strcat_P(char *, PGM_P);
__x_z int strcmp_P(const char *, PGM_P);
__x_z char *strcpy_P(char *, PGM_P);
__x_z char *strncat_P(char *, PGM_P, size_t);
__x_z int strncmp_P(const char *, PGM_P, size_t);
__x_z char *strncpy_P(char *, PGM_P, size_t);
__x_z int memcmp_G(const void *, const void __generic *, size_t);
__x_z void *memcpy_G(void *, const void __generic *, size_t);
__x_z char *strcat_G(char *, const char __generic *);
__x_z int strcmp_G(const char *, const char __generic *);
__x_z char *strcpy_G(char *, const char __generic *);
__z size_t strlen_G(const char __generic *);
__x_z char *strncat_G(char *, const char __generic *, size_t);
__x_z int strncmp_G(const char *, const char __generic *, size_t);
__x_z char *strncpy_G(char *, const char __generic *, size_t);
int puts_G(const char __generic *);

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