| 可是我在.c文件中定义u8 ksdflag_attribute_((at(0x20000601)));  //ksdflag是口设定主次调标志,是8位无符号整型,但是编译后出现如下错误ASC RE BUILD 14-01-06.c(46): error:  #20: identifier "u8" is undefined
 ASC RE BUILD 14-01-06.c(46): error:  #79: expected a type specifier
 ASC RE BUILD 14-01-06.c(256): error:  #20: identifier "ksdflag" is undefined。
 我的.h文件时在网上找的内容如下
 #ifndef __ABSACC_H__
 #define __ABSACC_H__
 #define CBYTE ((unsigned char volatile code *) 0)
 #define DBYTE ((unsigned char volatile data *) 0)
 #define PBYTE ((unsigned char volatile pdata *) 0)
 #define XBYTE ((unsigned char volatile xdata *) 0)
 #define CWORD ((unsigned int volatile code *) 0)
 #define DWORD ((unsigned int volatile data *) 0)
 #define PWORD ((unsigned int volatile pdata *) 0)
 #define XWORD ((unsigned int volatile xdata *) 0)
 #ifdef __CX51__
 #define FVAR(object, addr) (*((object volatile far *) (addr)))
 #define FARRAY(object, base) ((object volatile far *) (base))
 #define FCVAR(object, addr) (*((object const far *) (addr)))
 #define FCARRAY(object, base) ((object const far *) (base))
 #else
 #define FVAR(object, addr) (*((object volatile far *) ((addr)+0x10000L)))
 #define FCVAR(object, addr) (*((object const far *) ((addr)+0x810000L)))
 #define FARRAY(object, base) ((object volatile far *) ((base)+0x10000L))
 #define FCARRAY(object, base) ((object const far *) ((base)+0x810000L))
 #endif
 #endif
 
 
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