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How to use extern sbit declare?

Cuthbert Kao

I declare a variable unsigned char bdata Kde in a.c.

[in file a.c]

unsigned char bdata Kde;

Than I want to use the variable inb.c.
[in file b.c]
#include <stdio.h>
.....
extern unsigned char bdata Kde;
sbit testbit=Kde^1;
void main(void)
{......}

:error C141:.......a.c:syntax error near 'sbit'

why?

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