#ifndef __IO_H__#define __IO_H__#include<unistd.h>#include<sys/uio.h>#include <glib.h>#include "../chain.h"/* * IO Operations */#define IORead   0#define IOWrite  1#define IOWrites 2#define IOClose  3#define IOAbort  4/* * IO Flags */#define IOFlag_FreeIOBuf   (1 << 1)#define IOFlag_ForceClose  (1 << 2)#define IOFlag_SingleWrite (1 << 3)/* * IO constants */#define IOBufLen         4096#define IOBufLen_Http    4096#define IOBufLen_File    4096#define IOBufLen_Proto   4096#define IOBufLen_About   4096typedef struct {   gint Key;              /* Primary Key (for klist) */   gint Op;               /* IORead | IOWrite | IOWrites */   gint FD;               /* Current File Descriptor */   gint Flags;            /* Flag array (look definitions above) */   glong Status;          /* Number of bytes read, or -errno code */   void *Buf;             /* Buffer place */   size_t BufSize;        /* Buffer length */   void *BufStart;        /* PRIVATE: only used inside IO.c! */   void *ExtData;         /* External data reference (not used by IO.c) */   void *Info;            /* CCC Info structure for this IO */   GIOChannel *GioCh;     /* IO channel */   guint watch_id;        /* glib's event source id */} IOData_t;/* * Exported functions */IOData_t* a_IO_new(gint op, gint fd);void a_IO_set_buf(IOData_t *io, void *Buf, size_t BufSize);void a_IO_add_buf(IOData_t *io, void *Buf, size_t BufSize);/* Note: a_IO_ccc() is defined in Url.h together with the *_ccc() set */void a_IO_write_chunk(gint FD, void *Key, void *Buf, size_t BufSize);#endif /* __IO_H__ */