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Added global #ifndef __SIO_H__ and some comments

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This commit is contained in:
goldsimon 2008-03-27 18:06:02 +00:00
parent aee9c4c8e6
commit 64fa8d78bc
1 changed files with 10 additions and 0 deletions
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10
src/include/lwip/sio.h
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@ -32,16 +32,24 @@
* It needs to be implemented by those platforms which need SLIP or PPP
*/
#ifndef __SIO_H__
#define __SIO_H__
#include "lwip/arch.h"
#ifdef __cplusplus
extern "C" {
#endif
/* If you want to define sio_fd_t elsewhere or differently,
define this in your cc.h file. */
#ifndef __sio_fd_t_defined
typedef void * sio_fd_t;
#endif
/* The following functions can be defined to something else in your cc.h file
or be implemented in your custom sio.c file. */
#ifndef sio_open
sio_fd_t sio_open(u8_t);
#endif
@ -69,3 +77,5 @@ void sio_read_abort(sio_fd_t);
#ifdef __cplusplus
}
#endif
#endif /* __SIO_H__ */