228 lines
6.8 KiB
C
228 lines
6.8 KiB
C
/*
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* Internal details for libpcap on DOS.
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* 32-bit targets: djgpp, Pharlap or DOS4GW.
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*
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* @(#) $Header: /tcpdump/master/libpcap/pcap-dos.h,v 1.1 2004-12-18 08:52:10 guy Exp $ (LBL)
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*/
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#ifndef __PCAP_DOS_H
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#define __PCAP_DOS_H
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#ifdef __DJGPP__
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#include <pc.h> /* simple non-conio kbhit */
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#else
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#include <conio.h>
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#endif
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typedef int BOOL;
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typedef unsigned char BYTE;
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typedef unsigned short WORD;
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typedef unsigned long DWORD;
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typedef BYTE ETHER[6];
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#define ETH_ALEN sizeof(ETHER) /* Ether address length */
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#define ETH_HLEN (2*ETH_ALEN+2) /* Ether header length */
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#define ETH_MTU 1500
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#define ETH_MIN 60
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#define ETH_MAX (ETH_MTU+ETH_HLEN)
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#ifndef TRUE
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#define TRUE 1
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#define FALSE 0
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#endif
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#define PHARLAP 1
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#define DJGPP 2
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#define DOS4GW 4
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#ifdef __DJGPP__
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#undef DOSX
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#define DOSX DJGPP
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#endif
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#ifdef __WATCOMC__
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#undef DOSX
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#define DOSX DOS4GW
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#endif
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#ifdef __HIGHC__
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#include <pharlap.h>
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#undef DOSX
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#define DOSX PHARLAP
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#define inline
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#else
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typedef unsigned int UINT;
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#endif
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#if defined(__GNUC__) || defined(__HIGHC__)
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typedef unsigned long long uint64;
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typedef unsigned long long QWORD;
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#endif
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#if defined(__WATCOMC__)
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typedef unsigned __int64 uint64;
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typedef unsigned __int64 QWORD;
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#endif
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#define ARGSUSED(x) (void) x
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#if defined (__SMALL__) || defined(__LARGE__)
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#define DOSX 0
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#elif !defined(DOSX)
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#error DOSX not defined; 1 = PharLap, 2 = djgpp, 4 = DOS4GW
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#endif
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#ifdef __HIGHC__
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#define min(a,b) _min(a,b)
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#define max(a,b) _max(a,b)
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#endif
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#ifndef min
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#define min(a,b) ((a) < (b) ? (a) : (b))
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#endif
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#ifndef max
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#define max(a,b) ((a) < (b) ? (b) : (a))
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#endif
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#if !defined(_U_) && defined(__GNUC__)
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#define _U_ __attribute__((unused))
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#endif
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#ifndef _U_
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#define _U_
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#endif
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#if defined(USE_32BIT_DRIVERS)
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#include "msdos/pm_drvr/lock.h"
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#ifndef RECEIVE_QUEUE_SIZE
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#define RECEIVE_QUEUE_SIZE 60
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#endif
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#ifndef RECEIVE_BUF_SIZE
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#define RECEIVE_BUF_SIZE (ETH_MAX+20)
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#endif
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extern struct device el2_dev LOCKED_VAR; /* 3Com EtherLink II */
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extern struct device el3_dev LOCKED_VAR; /* EtherLink III */
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extern struct device tc59_dev LOCKED_VAR; /* 3Com Vortex Card (?) */
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extern struct device tc515_dev LOCKED_VAR;
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extern struct device tc90x_dev LOCKED_VAR;
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extern struct device tc90bcx_dev LOCKED_VAR;
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extern struct device wd_dev LOCKED_VAR;
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extern struct device ne_dev LOCKED_VAR;
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extern struct device acct_dev LOCKED_VAR;
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extern struct device cs89_dev LOCKED_VAR;
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extern struct device rtl8139_dev LOCKED_VAR;
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struct rx_ringbuf {
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volatile int in_index; /* queue index head */
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int out_index; /* queue index tail */
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int elem_size; /* size of each element */
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int num_elem; /* number of elements */
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char *buf_start; /* start of buffer pool */
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};
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struct rx_elem {
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DWORD size; /* size copied to this element */
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BYTE data[ETH_MAX+10]; /* add some margin. data[0] should be */
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}; /* dword aligned */
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extern BYTE *get_rxbuf (int len) LOCKED_FUNC;
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extern int peek_rxbuf (BYTE **buf);
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extern int release_rxbuf (BYTE *buf);
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#else
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#define LOCKED_VAR
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#define LOCKED_FUNC
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struct device {
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const char *name;
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const char *long_name;
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DWORD base_addr; /* device I/O address */
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int irq; /* device IRQ number */
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int dma; /* DMA channel */
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DWORD mem_start; /* shared mem start */
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DWORD mem_end; /* shared mem end */
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DWORD rmem_start; /* shmem "recv" start */
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DWORD rmem_end; /* shared "recv" end */
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struct device *next; /* next device in list */
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/* interface service routines */
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int (*probe)(struct device *dev);
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int (*open) (struct device *dev);
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void (*close)(struct device *dev);
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int (*xmit) (struct device *dev, const void *buf, int len);
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void *(*get_stats)(struct device *dev);
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void (*set_multicast_list)(struct device *dev);
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/* driver-to-pcap receive buffer routines */
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int (*copy_rx_buf) (BYTE *buf, int max); /* rx-copy (pktdrvr only) */
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BYTE *(*get_rx_buf) (int len); /* rx-buf fetch/enqueue */
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int (*peek_rx_buf) (BYTE **buf); /* rx-non-copy at queue */
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int (*release_rx_buf) (BYTE *buf); /* release after peek */
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WORD flags; /* Low-level status flags. */
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void *priv; /* private data */
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};
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/*
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* Network device statistics
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*/
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typedef struct net_device_stats {
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DWORD rx_packets; /* total packets received */
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DWORD tx_packets; /* total packets transmitted */
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DWORD rx_bytes; /* total bytes received */
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DWORD tx_bytes; /* total bytes transmitted */
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DWORD rx_errors; /* bad packets received */
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DWORD tx_errors; /* packet transmit problems */
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DWORD rx_dropped; /* no space in Rx buffers */
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DWORD tx_dropped; /* no space available for Tx */
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DWORD multicast; /* multicast packets received */
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/* detailed rx_errors: */
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DWORD rx_length_errors;
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DWORD rx_over_errors; /* recv'r overrun error */
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DWORD rx_osize_errors; /* recv'r over-size error */
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DWORD rx_crc_errors; /* recv'd pkt with crc error */
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DWORD rx_frame_errors; /* recv'd frame alignment error */
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DWORD rx_fifo_errors; /* recv'r fifo overrun */
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DWORD rx_missed_errors; /* recv'r missed packet */
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/* detailed tx_errors */
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DWORD tx_aborted_errors;
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DWORD tx_carrier_errors;
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DWORD tx_fifo_errors;
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DWORD tx_heartbeat_errors;
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DWORD tx_window_errors;
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DWORD tx_collisions;
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DWORD tx_jabbers;
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} NET_STATS;
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#endif
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extern struct device *active_dev LOCKED_VAR;
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extern const struct device *dev_base LOCKED_VAR;
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extern struct device *probed_dev;
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extern int pcap_pkt_debug;
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extern void _w32_os_yield (void); /* Watt-32's misc.c */
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#ifdef NDEBUG
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#define PCAP_ASSERT(x) ((void)0)
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#else
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void pcap_assert (const char *what, const char *file, unsigned line);
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#define PCAP_ASSERT(x) do { \
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if (!(x)) \
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pcap_assert (#x, __FILE__, __LINE__); \
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} while (0)
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#endif
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#endif /* __PCAP_DOS_H */
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