mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-07-04 10:18:31 +00:00
Add test for ioctl(SIOCGIFCONF) and polyfill on BSDs
- Use nullness checks when calling weakly linked functions. - Avoid typedef for reasons described in Linux Kernel style guide. - Avoid enum in in Windows headers. Earlier in Cosmo's history all one hundred files in libc/nt/enum/ used to be enums and it resulted in gigabytes of DWARF data almost as large as everything else in the codebase combined. - Bitfields aren't our friends. They have frequent ABI breakages, inconsistent arithmetic across compilers, and different endianness between cpus. Compiler authors also haven't invested much roi into making bit fields go fast so they produce poor assembly. - Use memccpy() instead of strncpy() or snprintf() for length-bounded copying of C strings. strncpy() is a misunderstood function and snprintf() is awesome but memccpy() deserves more love.
This commit is contained in:
Justine Tunney
parent
86ab24ce56
commit
5144c22189
41 changed files with 502 additions and 476 deletions
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@ -1,10 +1,10 @@
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#ifndef COSMOPOLITAN_LIBC_NT_STRUCT_IP_ADAPTER_ADDRESSES_H_
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#define COSMOPOLITAN_LIBC_NT_STRUCT_IP_ADAPTER_ADDRESSES_H_
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#include "libc/nt/struct/guid.h"
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#include "libc/nt/winsock.h"
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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/* Constants ----------------------------------------------------------- */
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#define kNtMaxAdapterAddressLength 8
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#define kNtMaxDnsSuffixStringLength 256
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#define kNtMaxDhcpv6DuidLength 130
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@ -37,245 +37,167 @@ COSMOPOLITAN_C_START_
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#define kNtIfTypeTunnel 131
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#define kNtIfTypeIeee1394 144 /* firewire */
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/* Enums --------------------------------------------------------------- */
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typedef enum {
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kNtIpPrefixOriginOther,
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kNtIpPrefixOriginManual,
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kNtIpPrefixOriginWellKnown,
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kNtIpPrefixOriginDhcp,
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kNtIpPrefixOriginRouterAdvertisement,
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kNtIpPrefixOriginUnchanged
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} NtPrefixOrigin;
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#define kNtIpAdapterDdnsEnabled 0x0001
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#define kNtIpAdapterRegisterAdapterSuffix 0x0002
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#define kNtIpAdapterDhcpv4Enabled 0x0004
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#define kNtIpAdapterReceiveOnly 0x0008
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#define kNtIpAdapterNoMulticast 0x0010
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#define kNtIpAdapterIpv6OtherStatefulConfig 0x0020
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#define kNtIpAdapterNetbiosOverTcpipEnabled 0x0040
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#define kNtIpAdapterIpv4Enabled 0x0080
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#define kNtIpAdapterIpv6Enabled 0x0100
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#define kNtIpAdapterIpv6Managed 0x0200
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typedef enum {
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kNtNlsoOther,
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kNtNlsoManual,
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kNtNlsoWellKnown,
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kNtNlsoDhcp,
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kNtNlsoLinkLayerAddress,
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kNtNlsoRandom,
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kNtIpSuffixOriginOther,
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kNtIpSuffixOriginManual,
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kNtIpSuffixOriginWellKnown,
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kNtIpSuffixOriginDhcp,
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kNtIpSuffixOriginLinkLayerAddress,
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kNtIpSuffixOriginRandom,
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kNtIpSuffixOriginUnchanged
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} NtSuffixOrigin;
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#define kNtIpPrefixOriginOther 0
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#define kNtIpPrefixOriginManual 1
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#define kNtIpPrefixOriginWellKnown 2
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#define kNtIpPrefixOriginDhcp 3
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#define kNtIpPrefixOriginRouterAdvertisement 4
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#define kNtIpPrefixOriginUnchanged 16
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typedef enum {
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kNtNldsInvalid,
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kNtNldsTentative,
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kNtNldsDuplicate,
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kNtNldsDeprecated,
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kNtNldsPreferred,
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kNtIpDadStateInvalid,
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kNtIpDadStateTentative,
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kNtIpDadStateDuplicate,
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kNtIpDadStateDeprecated,
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kNtIpDadStatePreferred
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} NtDadState;
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#define kNtIpSuffixOriginOther 0
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#define kNtIpSuffixOriginManual 1
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#define kNtIpSuffixOriginWellKnown 2
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#define kNtIpSuffixOriginDhcp 3
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#define kNtIpSuffixOriginLinkLayerAddress 4
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#define kNtIpSuffixOriginRandom 5
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#define kNtIpSuffixOriginUnchanged 16
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typedef enum {
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kNtIfOperStatusUp = 1,
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kNtIfOperStatusDown,
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kNtIfOperStatusTesting,
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kNtIfOperStatusUnknown,
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kNtIfOperStatusDormant,
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kNtIfOperStatusNotPresent,
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kNtIfOperStatusLowerLayerDown
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} NtIfOperStatus;
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#define kNtIpDadStateInvalid 0
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#define kNtIpDadStateTentative 1
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#define kNtIpDadStateDuplicate 2
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#define kNtIpDadStateDeprecated 3
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#define kNtIpDadStatePreferred 4
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typedef enum {
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kNtNetIfConnectionDedicated = 1,
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kNtNetIfConnectionPassive = 2,
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kNtNetIfConnectionDemand = 3,
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kNtNetIfConnectionMaximum = 4
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} NtNetIfConnectionType;
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#define kNtIfOperStatusUp 1
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#define kNtIfOperStatusDown 2
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#define kNtIfOperStatusTesting 3
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#define kNtIfOperStatusUnknown 4
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#define kNtIfOperStatusDormant 5
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#define kNtIfOperStatusNotPresent 6
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#define kNtIfOperStatusLowerLayerDown 7
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typedef enum {
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kNtTunnelTypeNone = 0,
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kNtTunnelTypeOther = 1,
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kNtTunnelTypeDirect = 2,
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kNtTunnelType6to4 = 11,
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kNtTunnelTypeIsatap = 13,
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kNtTunnelTypeTeredo = 14,
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kNtTunnelTypeIphttps = 15
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} NtTunnelType;
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#define kNtNetIfConnectionDedicated 1
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#define kNtNetIfConnectionPassive 2
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#define kNtNetIfConnectionDemand 3
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#define kNtNetIfConnectionMaximum 4
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#define kNtTunnelTypeNone 0
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#define kNtTunnelTypeOther 1
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#define kNtTunnelTypeDirect 2
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#define kNtTunnelType6to4 11
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#define kNtTunnelTypeIsatap 13
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#define kNtTunnelTypeTeredo 14
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#define kNtTunnelTypeIphttps 15
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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/* Inner Types --------------------------------------------------------- */
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typedef struct _NtIpAdapterUnicastAddress {
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union {
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uint64_t Alignment;
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struct {
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uint32_t Length;
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uint32_t Flags;
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};
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};
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struct _NtIpAdapterUnicastAddress *Next;
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struct NtIpAdapterUnicastAddress {
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uint32_t Length;
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uint32_t Flags;
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struct NtIpAdapterUnicastAddress *Next;
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struct NtSocketAddress Address;
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NtPrefixOrigin PrefixOrigin;
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NtSuffixOrigin SuffixOrigin;
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NtDadState DadState;
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uint32_t PrefixOrigin; /* kNtIpPrefixOrigin... */
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uint32_t SuffixOrigin; /* kNtIpSuffixOrigin... */
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uint32_t DadState; /* kNtIpDadState... */
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uint32_t ValidLifetime;
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uint32_t PreferredLifetime;
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uint32_t LeaseLifetime;
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uint8_t OnLinkPrefixLength;
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} NtIpAdapterUnicastAddress;
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};
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typedef struct NtIpAdapterAnycastAddress {
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union {
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uint64_t Alignment;
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struct {
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uint32_t Length;
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uint32_t Flags;
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};
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};
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struct _NtIpAdapterAnycastAddress *Next;
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struct NtIpAdapterAnycastAddress {
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uint32_t Length;
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uint32_t Flags;
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struct NtIpAdapterAnycastAddress *Next;
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struct NtSocketAddress Address;
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} NtIpAdapterAnycastAddress;
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};
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typedef struct NtIpAdapterMulticastAddress {
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union {
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uint64_t Alignment;
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struct {
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uint32_t Length;
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uint32_t Flags;
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};
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};
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struct _NtIpAdapterMulticastAddress *Next;
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struct NtIpAdapterMulticastAddress {
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uint32_t Length;
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uint32_t Flags;
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struct NtIpAdapterMulticastAddress *Next;
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struct NtSocketAddress Address;
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} NtIpAdapterMulticastAddress;
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};
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typedef struct _NtIpAdapterDnsServerAddress {
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union {
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uint64_t Alignment;
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struct {
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uint32_t Length;
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uint32_t Reserved;
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};
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};
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struct _NtIpAdapterDnsServerAddress *Next;
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struct NtIpAdapterDnsServerAddress {
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uint32_t Length;
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uint32_t Reserved;
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struct NtIpAdapterDnsServerAddress *Next;
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struct NtSocketAddress Address;
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} NtIpAdapterDnsServerAddress;
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};
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typedef struct _NtIpAdapterPrefix {
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union {
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uint64_t Alignment;
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struct {
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uint32_t Length;
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uint32_t Flags;
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};
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};
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struct _NtIpAdapterPrefix *Next;
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struct NtIpAdapterPrefix {
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uint32_t Length;
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uint32_t Flags;
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struct NtIpAdapterPrefix *Next;
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struct NtSocketAddress Address;
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uint32_t PrefixLength;
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} NtIpAdapterPrefix;
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};
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typedef struct _NtIpAdapterWinsServerAddress {
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union {
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uint64_t Alignment;
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struct {
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uint32_t Length;
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uint32_t Reserved;
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};
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};
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struct _NtIpAdapterWinsServerAddress *Next;
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struct NtIpAdapterWinsServerAddress {
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uint32_t Length;
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uint32_t Reserved;
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struct NtIpAdapterWinsServerAddress *Next;
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struct NtSocketAddress Address;
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} NtIpAdapterWinsServerAddress;
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};
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typedef struct _NtIpAdapterGatewayAddress {
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union {
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uint64_t Alignment;
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struct {
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uint32_t Length;
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uint32_t Reserved;
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};
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};
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struct _NtIpAdapterGatewayAddress *Next;
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struct NtIpAdapterGatewayAddress {
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uint32_t Length;
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uint32_t Reserved;
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struct NtIpAdapterGatewayAddress *Next;
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struct NtSocketAddress Address;
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} NtIpAdapterGatewayAddress;
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};
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typedef struct _NtGUID {
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uint32_t Data1;
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uint16_t Data2;
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uint16_t Data3;
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uint8_t Data4[8];
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} NtGUID;
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typedef union _NtNetLUID {
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uint64_t Value;
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struct {
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uint64_t Reserved : 24;
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uint64_t NetLuidIndex : 24;
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uint64_t IfType : 16;
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} Info;
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} NtNetLUID;
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typedef struct _NtIpAdapterDnsSuffix {
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struct _NtIpAdapterDnsSuffix *Next;
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struct NtIpAdapterDnsSuffix {
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struct NtIpAdapterDnsSuffix *Next;
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uint16_t String[kNtMaxDnsSuffixStringLength];
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} NtIpAdapterDnsSuffix;
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};
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/* Top level ----------------------------------------------------------- */
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typedef struct _NtIpAdapterAddresses {
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union {
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uint64_t Alignment;
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struct {
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uint32_t Length;
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uint32_t IfIndex;
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};
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};
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struct _NtIpAdapterAddresses *Next;
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struct NtIpAdapterAddresses {
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uint32_t Length;
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uint32_t IfIndex;
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struct NtIpAdapterAddresses *Next;
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char *AdapterName;
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NtIpAdapterUnicastAddress *FirstUnicastAddress;
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NtIpAdapterAnycastAddress *FirstAnycastAddress;
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NtIpAdapterMulticastAddress *FirstMulticastAddress;
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NtIpAdapterDnsServerAddress *FirstDnsServerAddress;
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struct NtIpAdapterUnicastAddress *FirstUnicastAddress;
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struct NtIpAdapterAnycastAddress *FirstAnycastAddress;
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struct NtIpAdapterMulticastAddress *FirstMulticastAddress;
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struct NtIpAdapterDnsServerAddress *FirstDnsServerAddress;
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uint16_t *DnsSuffix;
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uint16_t *Description;
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uint16_t *FriendlyName;
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uint8_t PhysicalAddress[kNtMaxAdapterAddressLength];
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uint32_t PhysicalAddressLength;
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union {
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uint32_t Flags;
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struct {
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uint32_t DdnsEnabled : 1;
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uint32_t RegisterAdapterSuffix : 1;
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uint32_t Dhcpv4Enabled : 1;
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uint32_t ReceiveOnly : 1;
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uint32_t NoMulticast : 1;
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uint32_t Ipv6OtherStatefulConfig : 1;
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uint32_t NetbiosOverTcpipEnabled : 1;
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uint32_t Ipv4Enabled : 1;
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uint32_t Ipv6Enabled : 1;
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uint32_t Ipv6ManagedAddressConfigurationSupported : 1;
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};
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};
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uint32_t Flags; /* kNtIpAdapter... */
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uint32_t Mtu;
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uint32_t IfType;
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NtIfOperStatus OperStatus;
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uint32_t IfType; /* kNtIfType... */
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uint32_t OperStatus; /* kNtIfOperStatus... */
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uint32_t Ipv6IfIndex;
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uint32_t ZoneIndices[16];
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NtIpAdapterPrefix *FirstPrefix;
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struct NtIpAdapterPrefix *FirstPrefix;
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uint64_t TransmitLinkSpeed;
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uint64_t ReceiveLinkSpeed;
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NtIpAdapterWinsServerAddress *FirstWinsServerAddress;
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NtIpAdapterGatewayAddress *FirstGatewayAddress;
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struct NtIpAdapterWinsServerAddress *FirstWinsServerAddress;
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struct NtIpAdapterGatewayAddress *FirstGatewayAddress;
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uint32_t Ipv4Metric;
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uint32_t Ipv6Metric;
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NtNetLUID Luid;
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uint64_t Luid; /* reserved(24bits),NetLuidIndex(24b),IfType(16b) */
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struct NtSocketAddress Dhcpv4Server;
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uint32_t CompartmentId;
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NtGUID NetworkGuid;
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NtNetIfConnectionType ConnectionType;
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NtTunnelType TunnelType;
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struct NtGuid NetworkGuid;
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uint32_t ConnectionType; /* kNtNetIfConnection... */
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uint32_t TunnelType; /* kNtTunnelType... */
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struct NtSocketAddress Dhcpv6Server;
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uint8_t Dhcpv6ClientDuid[kNtMaxDhcpv6DuidLength];
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uint32_t Dhcpv6ClientDuidLength;
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uint32_t Dhcpv6Iaid;
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NtIpAdapterDnsSuffix *FirstDnsSuffix;
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} NtIpAdapterAddresses;
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struct NtIpAdapterDnsSuffix *FirstDnsSuffix;
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};
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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