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# Definitions
[WinPcap user's manual]

## Data Structures
struct | pcap_file_header
| Header of a libpcap dump file. More...
struct | pcap_pkthdr
| Header of a packet in the dump file. More...
struct | pcap_stat
| Structure that keeps statistical values on an interface. More...
struct | pcap_if
| Item in a list of interfaces, used by pcap_findalldevs(). More...
struct | pcap_addr
| Representation of an interface address, used by pcap_findalldevs(). More...
## Defines
#define | PCAP_VERSION_MAJOR 2
| Major libpcap dump file version.
#define | PCAP_VERSION_MINOR 4
| Minor libpcap dump file version.
#define | PCAP_ERRBUF_SIZE 256
| Size to use when allocating the buffer that contains the libpcap errors.
#define | PCAP_IF_LOOPBACK 0x00000001
| interface is loopback
#define | MODE_CAPT 0
| Capture mode, to be used when calling pcap_setmode().
#define | MODE_STAT 1
| Statistical mode, to be used when calling pcap_setmode().
## Typedefs
typedef int | bpf_int32
| 32-bit integer
typedef u_int | bpf_u_int32
| 32-bit unsigned integer
typedef pcap | pcap_t
| Descriptor of an open capture instance. This structure is opaque to the user, that handles its content through the functions provided by wpcap.dll.
typedef pcap_dumper | pcap_dumper_t
| libpcap savefile descriptor.
typedef pcap_if | pcap_if_t
| Item in a list of interfaces, see pcap_if.
typedef pcap_addr | pcap_addr_t
| Representation of an interface address, see pcap_addr.

## Detailed Description

Definitions for wpcap.dll

## Define Documentation

#define MODE_CAPT 0

Capture mode, to be used when calling pcap_setmode().

Definition at line 172 of file incs/pcap.h.

#define MODE_STAT 1

Statistical mode, to be used when calling pcap_setmode().

Definition at line 173 of file incs/pcap.h.

#define PCAP_ERRBUF_SIZE 256

Size to use when allocating the buffer that contains the libpcap errors.

Definition at line 59 of file incs/pcap.h.

#define PCAP_IF_LOOPBACK 0x00000001

interface is loopback

Definition at line 156 of file incs/pcap.h.

#define PCAP_VERSION_MAJOR 2

Major libpcap dump file version.

Definition at line 56 of file incs/pcap.h.

#define PCAP_VERSION_MINOR 4

Minor libpcap dump file version.

Definition at line 57 of file incs/pcap.h.

## Typedef Documentation

typedef int bpf_int32

32-bit integer

Compatibility for systems that have a bpf.h that predates the bpf typedefs for 64-bit support.

Definition at line 66 of file incs/pcap.h.

typedef u_int bpf_u_int32

32-bit unsigned integer

Definition at line 67 of file incs/pcap.h.

typedef struct pcap_addr pcap_addr_t

Representation of an interface address, see pcap_addr.

Definition at line 73 of file incs/pcap.h.

typedef struct pcap_dumper pcap_dumper_t

libpcap savefile descriptor.

Definition at line 71 of file incs/pcap.h.

typedef struct pcap_if pcap_if_t

Item in a list of interfaces, see pcap_if.

Definition at line 72 of file incs/pcap.h.

typedef struct pcap pcap_t

Descriptor of an open capture instance. This structure is opaque to the user, that handles its content through the functions provided by wpcap.dll.

Definition at line 70 of file incs/pcap.h.

documentation. Copyright (c) 2002-2005 Politecnico di Torino. Copyright (c) 2005-2007 CACE Technologies. All rights reserved.