undefined C struct forward declaration
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by robUK
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Published on 2009-03-07T05:19:12Z
Indexed on
2010/05/23
23:31 UTC
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Hello,
I have a header file port.h, port.c, and my main.c
I get the following error: 'ports' uses undefined struct 'port_t'
I thought as I have declared the struct in my .h file and having the actual structure in the .c file was ok.
I need to have the forward declaration as I want to hide some data in my port.c file.
In my port.h I have the following:
/* port.h */
struct port_t;
port.c:
/* port.c */
#include "port.h"
struct port_t
{
unsigned int port_id;
char name;
};
main.c:
/* main.c */
#include <stdio.h>
#include "port.h"
int main(void)
{
struct port_t ports;
return 0;
}
Many thanks for any suggestions,
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