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<HTML>
<HEAD>
<TITLE>Int 15/AX=DE2Eh
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<META NAME="Description" CONTENT="
Int 15/AX=DE2Eh - DESQview v2.50+ - SOCKET API -
AX = DE2Eh
DX:BX - socket record (see #00558)
0000h:0000h to create a new socket record
Return: CX = size of socket record in bytes
DX:BX - socket record which was used
Notes: DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x.
socket records are allocated from common memory
for Unix compatibility, each socket and connection on a socket is
allocated a DOS file handle (referencing an SFT for NUL) which is
used on various calls to specify which of possibly multiple
">
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<h2>Int 15/AX=DE2Eh
</h2>
</center><p>
<table border=1 cellpadding=3 cellspacing=1>
<td>
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<td><a href="int.htm" tppabs="http://www.ctyme.com/intr/int.htm">Interrups</a></td>
<td><a href="cat.htm" tppabs="http://www.ctyme.com/intr/cat.htm">Categories</a></td>
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<p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
<h3><font color=#C00040>DESQview v2.50+ - SOCKET API</font></h3>
<PRE>
AX = DE2Eh
DX:BX -> socket record <a href="rb-1726.htm#Table558" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table558">(see #00558)</a>
0000h:0000h to create a new socket record<br>
<p><b>Return:</b><br>CX = size of socket record in bytes
DX:BX -> socket record which was used
</PRE>
<p><b>Notes:</b>
DESQview 2.50-2.52 are distributed as part of DESQview/X v1.0x..
Socket records are allocated from common memory.
For Unix compatibility, each socket and connection on a socket is
allocated a DOS file handle (referencing an SFT for NUL) which is
used on various calls to specify which of possibly multiple
connections is to be operated upon
<p><b>See Also:</b>
<a href="rb-1725.htm" tppabs="http://www.ctyme.com/intr/rb-1725.htm">AX=DE2Dh</a> - <a href="rb-6705.htm" tppabs="http://www.ctyme.com/intr/rb-6705.htm">INT 61/AX=0001h/SF=0001h"VINES"</a> - <a href="rb-7197.htm" tppabs="http://www.ctyme.com/intr/rb-7197.htm">INT 63"DESQview"</a>
<PRE>
<p>
<a name=table557></a>
(Table 00557)
Values for DESQview/X socket API function number:
0000h initialize socket???
0001h "gethostname"
0002h "ioctl" check for input
0003h "sleep" delay for specified period
0004h "htons" convert word to network (big-endian) byte order
0005h "select"
0006h "bsd_close"/"so_close" close socket
0007h NOP
0008h "connect" initiate connection on socket
0009h "recv"/"recvfrom" read from socket
000Ah "socket"
000Bh ???
000Ch "gethostbyname"
000Dh "send"/"sendto" write to socket
000Eh ??? (does something to all connections for process)
000Fh "getpid" get process identifier
0010h "gettimeofday"
0011h "bind" assign name to socket
0012h "listen" listen for connections on socket
0013h "accept" accept connection on socket
0014h connect to X server
0015h "gethostbyaddr" get host information for an address
0016h "getprotobyname"
0017h "getprotobynumber"
0018h "getservbyname"
0019h "getservbyport"
001Ah "getsockname" determine name bound to socket
001Bh "getpeername" get name of connected peer
001Ch "getsockopt"/"setsockopt"
001Dh "so_exit" close all sockets for calling process
001Eh "issock" determine whether file handle references socket
001Fh "so_attach" reattach previously detached socket
0020h "so_detach" temporarily detach socket
0021h "dvpath" get DESQview directory (see also AX=DE24h)
0022h "NewProc" start new application (see also AX=102Ch)
0023h "so_linkup"
0024h "CanonicalPath" canonicalize filename (see also INT 21/AH=60h)
0025h indirect INT 15h call
0026h Network Manager interface
0027h "so_unlink" close connection from "so_linkup"
0028h "raisepriority"
0029h "lowerpriority"
002Ah "so_private" ???
FFFFh "NetExit" (appears to be a NOP)
<p>
Format of DESQview/X socket record:
<a name=table558></a>
Offset Size Description (Table 00558)
00h WORD signature F0ADh
02h WORD function number <a href="rb-1726.htm#Table557" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table557">(see #00557)</a>
04h WORD returned error code <a href="rb-1726.htm#Table578" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table578">(see #00578)</a>
06h WORD maximum message size??? (usually 0400h)
08h WORD PSP segment to use or 0000h if socket not valid
0Ah WORD scratch space (JFT size)
0Ch DWORD scratch space (JFT address)
10h DWORD mailbox handle (initialized by function 0000h)
14h DWORD timer object handle (initialized by function 0000h)
---function 0000h---
18h WORD (ret) ???
---function 0001h---
18h WORD (ret) status???
1Ah 128 BYTEs (ret) ASCIZ hostname (empty string if not on network)
9Ah WORD maximum length of hostname to return
---function 0002h---
18h WORD (ret) status
1Ah WORD socket's file handle
1Ch WORD IOCTL function
05h "FIONREAD" determine available input
06h "FIONBIO" set blocking state of socket
1Eh WORD (return, subfn 05h) number of bytes available for reading
(call, subfn 06h) 0000h blocking, nonzero nonblocking
---function 0003h---
18h 2 BYTEs unused
1Ah WORD delay time in seconds
---function 0004h---
18h WORD (ret) result in network (big-endian) byte order
1Ah WORD value to convert to network byte order
---function 0005h---
18h WORD (ret) number of handles meeting the specified conditions???
1Ah WORD number of file handles in each bitset
1Ch DWORD bitset of socket handles to check for readability
20h DWORD bitset of socket handles to check for writability
24h DWORD bitset of socket handles to check for errors
28h WORD timeout in ??? or 0000h to block until some socket ready
2Ah DWORD ???
2Eh DWORD ???
---function 0006h---
<p><b>18h WORD (ret) status:</b><br>0000h if successful, FFFFh on error
1Ah WORD socket's file handle
---function 0008h---
<p><b>18h WORD (ret) status:</b><br>0000h if successful, FFFFh on error
1Ah WORD socket's file handle
1Ch WORD 0001h if socket name specified, 0000h if not
1Eh WORD length of socket name
20h N BYTEs name of socket to which to connect
---function 0009h---
18h WORD (ret) number of bytes actually read, 0000h if connection
closed, or FFFFh on error
1Ah WORD socket's file handle
1Ch WORD number of bytes to read
1Eh WORD flags
20h WORD 0000h if no source address desired
0001h if source address is to be stored (datagram sockets)
22h WORD length of source address
24h 110 BYTEs source address
92h 1K BYTEs buffer for data to be read
---function 000Ah---
18h WORD (ret) socket's file handle or FFFFh on error
1Ah WORD address family (0001h,0002h)
1Ch WORD socket type
1Eh WORD protocol
---function 000Bh---
18h WORD (ret) 0001h if ??? or FFFFh on error
1Ah WORD socket's file handle
1Eh WORD (call) ???
---function 000Ch---
18h 128 BYTEs ASCIZ hostname (special case if empty string or "unix")
98h ??? (ret) packed 'hostent' structure
A2h ??? (ret) ???
---function 000Dh---
18h WORD (ret) number of bytes actually written or FFFFh on error
1Ah WORD socket's file handle
1Ch WORD number of bytes to write
1Eh WORD number of bytes to follow in subsequent writes???
20h WORD flags
22h WORD 0000h if no destination specified, 0001h if destination present
24h WORD 0001h if broadcast message???, 0000h if not
(ignored if no destination specified)
26h WORD length of destination address
28h 110 BYTEs destination address
96h 1K BYTEs buffer containing data to be written
---function 000Eh---
no additional fields
---function 000Fh---
18h DWORD (ret) DESQview task handle of calling process
---function 0010h---
18h DWORD (ret) current time
1Ch DWORD (ret) ???
---function 0011h---
<p><b>18h WORD (ret) status:</b><br>0000h if successful, FFFFh on error
1Ah WORD socket's file handle
1Ch WORD length of name
1Eh N BYTEs buffer for socket name
---function 0012h---
<p><b>18h WORD (ret) status:</b><br>0000h if successful, FFFFh on error
1Ah WORD socket's file handle
1Ch WORD maximum backlog of pending connections allowed on socket
---function 0013h---
18h WORD (ret) file handle for new connection or FFFFh on error
1Ah WORD listen()ing socket's file handle
1Ch WORD (call) length of buffer for connecting entity's address
(ret) actual length of address
1Eh N BYTEs buffer for connecting entity's address (110 bytes???)
---function 0014h---
18h WORD (ret) socket's file handle or FFFFh on error
1Ah 4 BYTEs (ret) ???
1Eh WORD (ret) ???
20h WORD (ret) ???
22h 256 BYTEs ASCIZ X display name
122h ???
---function 0015h---
18h WORD (call) type of address??? (test for 0001h seen)
1Ah WORD (call) length of buffer for host address
1Ch 110 BYTEs buffer containing ASCIZ host address
8Ah WORD (ret) offset of official host name
8Ch WORD (ret) offset of alias list???
8Eh WORD (ret) address type???
90h WORD (ret) length of an address in bytes???
92h WORD (ret) offset of address???
9Ah N BYTEs (ret) buffer for hostname, alias list, and host address
---function 0016h---
18h ??? buffer for ASCIZ protocol name
98h ???
---function 0017h---
18h WORD (call) protocol number
1Ah WORD (ret) ??? or 0001h
---function 0018h---
18h 128 BYTEs buffer containing ASCIZ ???
98h 128 BYTEs buffer containing ASCIZ ???
118h WORD (ret) ???
---function 0019h---
18h WORD port number
1Ah 128 BYTEs (call) ASCIZ host name
(ret) packed servent strctures???
9Ah WORD (ret) ???
---function 001Ah---
18h WORD (ret) 0000h if successful, FFFFh on error
1Ah WORD socket's file handle
1Ch WORD (call) length of buffer for socket name
(ret) actual length of socket name
1Eh N BYTEs buffer for socket name
---function 001Bh---
<p><b>18h WORD (ret) status:</b><br>0000h if successful, FFFFh on error
1Ah WORD socket's file handle
1Ch WORD (call) size of buffer for name
(ret) actual size of name
1Eh N BYTEs buffer for peer's name
---function 001Ch---
<p><b>18h WORD (ret) status:</b><br>0000h if successful, FFFFh on error
<p><b>1Ah WORD direction:</b><br>0000h to get, 0001h to set
1Ch WORD socket's file handle
1Eh WORD option level
20h WORD option name
22h WORD (call) length of buffer for option value
(ret) actual length of option value
24h N BYTEs buffer for option value
---function 001Dh---
no additional fields
---function 001Eh---
<p><b>18h WORD (ret) status:</b><br>0000h ??? or 0001h ???
1Ah WORD file handle which may or may not be a socket
---function 001Fh---
18h WORD (ret) file handle or FFFFh on error
1Ah DWORD (call) pointer to Socket Context Record <a href="rb-1726.htm#Table579" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table579">(see #00579)</a> of a
previously detached socket
---function 0020h---
<p><b>18h WORD (ret) status:</b><br>0000h if successful or FFFFh on error
1Ah WORD socket's file handle
1Ch DWORD (ret) pointer to Socket Context Record <a href="rb-1726.htm#Table579" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table579">(see #00579)</a> for
the file handle
---function 0021h---
18h 64 BYTEs buffer for DESQview startup directory (see AX=DE25h)
---function 0022h---
18h DWORD (ret) task handle of new application
1Ch WORD size of .DVP data
1Eh 129 BYTEs ASCIZ ???
9Fh N BYTEs .DVP data <a href="javascript:if(confirm('http://www.ctyme.com/intr/rb-0000.htm \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/rb-0000.htm#Table0'" tppabs="http://www.ctyme.com/intr/rb-0000.htm#Table0"></a>(see #00427 at AX=102Ch)
---function 0023h---
18h WORD (ret) ??? or FFFFh on error
1Ah WORD socket's file handle???
---function 0024h---
18h WORD (ret) DOS error code <a href="javascript:if(confirm('http://www.ctyme.com/intr/rb-0000.htm \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/rb-0000.htm#Table0'" tppabs="http://www.ctyme.com/intr/rb-0000.htm#Table0"></a>(see #01680 at INT 21/AH=59h/BX=0000h)
0000h if successful
1Ah 129 BYTEs ASCIZ filename/pathname
11Bh 129 BYTEs ASCIZ canonicalized filename/pathname (see INT 21/AH=60h)
---function 0025h---
18h WORD value of AX
1Ah WORD value of BX
1Ch WORD (call) value of CX for call if AH value other than 12h
(call) number of stack parameters if AH value is 12h
(ret) returned CX for calls other than INT 15/AH=12h
1Eh WORD value of DX
20h WORD value of DI
22h WORD value of SI
24h WORD value of DS
26h WORD value of ES
28h WORD (ret) value of FLAGS after call
2Ah N DWORDs (call) stack parameters for INT 15/AH=12h call
(ret) stack results from INT 15/AH=12h call
---function 0026h---
18h WORD (call) Network Manager subfunction <a href="rb-1726.htm#Table559" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table559">(see #00559)</a>
(ret) status??? (0000h on error)
1Ah WORD (call) size of parameter data
(ret) size of returned data
1Ch N BYTEs (call) parameter data required by call <a href="javascript:if(confirm('http://www.ctyme.com/intr/rb-0000.htm \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/rb-0000.htm#Table0'" tppabs="http://www.ctyme.com/intr/rb-0000.htm#Table0"></a>(see #00560,#00561,#00577)
(ret) result data <a href="javascript:if(confirm('http://www.ctyme.com/intr/rb-0000.htm \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/rb-0000.htm#Table0'" tppabs="http://www.ctyme.com/intr/rb-0000.htm#Table0"></a>(see #00570,#00571,#00576)
---function 0027h---
<p><b>18h WORD (ret) status:</b><br>0000h if successful, FFFFh on error
1Ah WORD socket's file handle
---functions 0028h,0029h---
18h WORD (call) file handle for which to set priority low/high
FFFFh to change calling task's priority
---function 002Ah---
no additional fields
<p>
<a name=table559></a>
(Table 00559)
Values for DESQview/X Network Manager subfunction:
0004h "so_exit"???
0005h "gethostbyname"
0006h "gethostname"
0009h "socket"
000Dh "gethostbyaddr"
000Fh "getprotobyname"
0010h get protocol name for protocol number
0011h "getservbyname"
0012h "getservbyport" <a href="rb-1726.htm#Table563" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table563">(see #00563)</a>
0013h "getsockname"??? <a href="rb-1726.htm#Table564" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table564">(see #00564)</a>
0016h "shutdown" <a href="rb-1726.htm#Table565" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table565">(see #00565)</a>
0017h kill Network Manager
0018h "getpeername"??? <a href="rb-1726.htm#Table566" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table566">(see #00566)</a>
0019h ??? (called by socket function 0000h) <a href="rb-1726.htm#Table567" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table567">(see #00567)</a>
001Ah ??? <a href="rb-1726.htm#Table568" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table568">(see #00568)</a>
001Bh "so_linkup" <a href="rb-1726.htm#Table569" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table569">(see #00569)</a>
001Dh "getnetstatus" get network services <a href="rb-1726.htm#Table570" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table570">(see #00570)</a>
001Fh "getpwuid"
0020h "getpwnam"
0021h "getpwvar"
0022h "crypt"
0023h "so_unlink"
0024h "getlogin" <a href="rb-1726.htm#Table571" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table571">(see #00571)</a>
0028h "sethostent"
0029h "gethostent"
002Ah "soaddhost"
002Bh "soupdatehost"
002Ch "sodeletehost"
002Dh "setservent"
002Eh "getservent"
002Fh "setpwent"
0030h "getpwent" <a href="rb-1726.htm#Table572" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table572">(see #00572)</a>
0031h "sethostpath" <a href="rb-1726.htm#Table573" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table573">(see #00573)</a>
0032h "endservent"
0033h "endhostent"
0034h "getnettype" get IP network number <a href="rb-1726.htm#Table574" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table574">(see #00574)</a>
0035h ??? (pops up Network Manager window)
0037h "getnettimeout" <a href="rb-1726.htm#Table575" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table575">(see #00575)</a>
0038h get machine name and IP address <a href="rb-1726.htm#Table576" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table576">(see #00576)</a>
0039h "getuid" <a href="rb-1726.htm#Table577" tppabs="http://www.ctyme.com/intr/rb-1726.htm#Table577">(see #00577)</a>
---DV/X v2.0+ ---
0041h "deletepwnam"
0045h "renamepw"
<p>
Format of Function 0026h/Subfunction 000Fh data:
<a name=table560></a>
Offset Size Description (Table 00560)
00h 8 BYTEs (ret) ???
<p>
Format of Function 0026h/Subfunction 0010h data:
<a name=table561></a>
Offset Size Description (Table 00561)
00h 2 BYTEs (ret) ???
02h WORD (ret) protocol number
04h WORD (call) protocol number for which to get name
06h WORD (ret) ???
08h var (ret) ASCIZ protocol name
N var (ret) ASCIZ protocol name
<p>
Format of Function 0026h/Subfunction 0011h data:
<a name=table562></a>
Offset Size Description (Table 00562)
00h 8 BYTEs ???
08h var (ret) ASCIZ protocol name.
Var (ret) ASCIZ ??? name.
Var (ret) ASCIZ ??? name
<p>
Format of Function 0026h/Subfunction 0012h data:
<a name=table563></a>
Offset Size Description (Table 00563)
00h 8 BYTEs (ret) ???
<p>
Format of Function 0026h/Subfunction 0013h data:
<a name=table564></a>
Offset Size Description (Table 00564)
00h 116 BYTEs (ret) ???
<p>
Format of Function 0026h/Subfunction 0016h ("shutdown") data:
<a name=table565></a>
Offset Size Description (Table 00565)
00h WORD (ret) shutdown status (0000h successful, FFFFh error)
02h 4 BYTEs (ret) ???
04h WORD (call) socket handle
06*h WORD (call) what (0 = receives, 1 = sends, 2 = both)
<p>
Format of Function 0026h/Subfunction 0018h data:
<a name=table566></a>
Offset Size Description (Table 00566)
00h 116 BYTEs (ret) ???
<p>
Format of Function 0026h/Subfunction 0019h data:
<a name=table567></a>
Offset Size Description (Table 00567)
00h 4 BYTEs (ret) ???
04h DWORD (ret) task handle of ???
<p>
Format of Function 0026h/Subfunction 001Ah data:
<a name=table568></a>
Offset Size Description (Table 00568)
00h 38 BYTEs (ret) ???
<p>
Format of Function 0026h/Subfunction 001Bh data:
<a name=table569></a>
Offset Size Description (Table 00569)
00h 10 BYTEs (ret) ???
<p>
Format of Function 0026h/Subfunction 001Dh return data [array]:
<a name=table570></a>
Offset Size Description (Table 00570)
00h WORD ??? or FFFFh if end of array
02h 7 BYTEs ???
09h 27 BYTEs ASCIZ name of service
<p>
Format of Function 0026h/Subfunction 0024h return data:
<a name=table571></a>
Offset Size Description (Table 00571)
00h var ASCIZ username
<p>
Format of Function 0026h/Subfunction 0030h data:
<a name=table572></a>
Offset Size Description (Table 00572)
00h WORD (call) UID or 0000h for current user
(ret) ???
02h WORD (ret) UID
04h 6 BYTEs (ret) ???
0Ah var (ret) ASCIZ username.
Var (ret) ASCIZ encrypted password.
Var (ret) ASCIZ initial ("home") directory
<p>
Format of Function 0026h/Subfunction 0031h ("sethostpath") data:
<a name=table573></a>
Offset Size Description (Table 00573)
00h 4 BYTEs ???
04h 144 BYTEs ASCIZ ???
<p>
Format of Function 0026h/Subfunction 0034h data:
<a name=table574></a>
Offset Size Description (Table 00574)
00h 1-3 BYTEs IP network number of caller's machine (low byte first)
<p>
Format of Function 0026h/Subfunction 0037h ("getnettimeout") return data:
<a name=table575></a>
Offset Size Description (Table 00575)
00h WORD (ret) timeout
02h 2 BYTEs (ret) ???
<p>
Format of Function 0026h/Subfunction 0038h return data:
<a name=table576></a>
Offset Size Description (Table 00576)
00h BYTE ???
01h 4 BYTEs IP address
05h var ASCIZ machine name.
???
<p>
Format of Function 0026h/Subfunction 0039h ("getuid") return data:
<a name=table577></a>
Offset Size Description (Table 00577)
00h WORD user ID
02h 2 BYTEs ???
</PRE>
<p><b>See Also:</b>
#00573 - #00576
<PRE>
<p>
<a name=table578></a>
(Table 00578)
Values for DESQview/X socket error code:
0000h successful
0009h "BADF" bad file handle
000Ch "ENOMEM" out of memory
000Eh "EFAULT" bad address
0016h "EINVAL" invalid argument
0018h "EMFILE" too many open files
0020h "EPIPE" ??? broken pipe
0023h "EWOULDBLOCK" operation cannot be completed at this time
0024h "EINPROGRESS" operation now in progress
0026h "ENOTSOCK" socket invalid
0028h "EMSGSIZE" message too long to send atomically
002Ch "ESOCKTNOSUPPORT" socket type not supported
002Fh "EAFNOSUPPORT" address family not supp. by protocol fam.
0031h "EDOM" argument too large
0038h "EISCONN" socket is already connected
0039h "ENOTCONN" socket is not connected
<p>
Format of DESQview/X Socket Context Record:
<a name=table579></a>
Offset Size Description (Table 00579)
00h DWORD pointer to next Socket Context Record, 0000h:0000h if last
04h WORD SFT index for socket, 00FFh if not connected, FFFFh if detached
06h WORD PSP segment of owner or 0000h
08h WORD mapping context of owning window <a href="javascript:if(confirm('http://www.ctyme.com/intr/rb-0000.htm \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/rb-0000.htm#Table0'" tppabs="http://www.ctyme.com/intr/rb-0000.htm#Table0"></a>(see #00416 at AX=1016h)
0Ah 2 BYTEs ???
0Ch WORD address family
0Eh WORD socket type
10h WORD protocol
12h WORD socket state
0001h created
0002h bound
0003h listening???
0005h connected
14h DWORD timer object handle
18h DWORD object handle (mailbox???)
1Ch DWORD object handle of parent of above object or 0000h:0000h
20h DWORD pointer to ??? or 0000h
24h 6 BYTEs ???
2Ah WORD file handle for socket or FFFFh
2Ch 2 BYTEs ???
2Eh WORD nonzero if socket nonblocking
---network connections only---
30h 2 BYTEs ???
32h WORD ???
34h 4 BYTEs (big-endian) IP address of remote
38h 6 BYTEs ???
</PRE>
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