io.h

俄罗斯高人Mamaich的Pocket gcc编译器（运行在PocketPC上）的全部源代码。

#ifndef _IO_H_
#define _IO_H_

#include "sys/wcetypes.h"

#define MAXFDS   (100)
#define MAXFILES (100)

#define IO_FILE_TYPE_FILE    1
#define IO_FILE_TYPE_SOCKET  2
#define IO_FILE_TYPE_CONSOLE 3
#define IO_FILE_TYPE_PIPE    4
#define IO_FILE_TYPE_NULL    5


typedef struct _fdent_s
{
  int fd;
  int type;
  HANDLE hnd;
  int flags;
} _fdent_t;

#define FDCHECK(F) \
  if (F < 0 || F >= MAXFDS || _fdtab[F].fd == -1) { \
    WCETRACE(WCE_IO, "Invalid file handle: %d", F); \
    errno = EBADF; \
    return(-1); \
  }

extern _fdent_t _fdtab[];

int  _assignfd(int type, HANDLE hnd, int flags);
void _initstdfd(FILE *fp, int fd, HANDLE hnd, int flags);
void _setfd(int fd, int type, HANDLE hnd, int flags);

#endif  /* _IO_H_ */