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1 int fp7220::opensocket( void ) { struct hostent *hp; struct sockaddr_in sin; unsigned timeout; int result, s; } // make socket if (!(hp = gethostbyname(szserverloc)) ) return -1; if ( (s = socket(af_inet, SOCK_STREAM, 0)) < 0 ) return -1; // setup parameters memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_port = htons(7220); memcpy(&sin.sin_addr, hp->h_addr, hp->h_length); Theoretical Science Group // set timeout and handler before connect signal( SIGALRM, SIG_IGN ); timeout = alarm( uconnecttimeout ); result = connect(s, (struct sockaddr *)&sin, sizeof(sin)); signal( SIGALRM, SIG_DFL ); alarm( timeout ); if ( result < 0 ) return -1; return s;?( )

sin_family = AF_INET; sin.sin_port = htons(7220); memcpy(&sin.

2 ParaGRAPH D HASM 3 RPG (wataruk@tky.3web.ne.jp) 4 for Win Map Friends Project - mfp PPP TEA( ) 9 ii TSG No. 210

jp) 4 for Win95.................... 6 Map Friends Project - mfp -......................... 7 9 PPP.

3 E EEEEEEEEEEEE E -1ParaGRAPH DTM? Desk Top Music TSG No

4 MIDI RPG SC-88Pro :) 1 (^^; 2 TSG No. 210

5 3D 3D HASM (2D) 3D PC D D ( ) Pentium 2 3D 2D zn+1 = zn 2 + A; z 0 2 C;A2 C A z 0 zn A z D TSG No

6 RPG RPG Diablo, Ultima Online, Might and Magic VII, RPG TSG DirectX OS Windows 95 PC-UNIX ( ) peer to peer 28800bps PPP TELNET ASCII UDP (1,1) /move 11 NIFTY- Serve RPG CRPG NPC NPC 3 4 TSG No. 210

7 RPG /move 11 Quake RPG Diablo ( ) NPC TSG No

8 for Win95 for Win95 VC4 Windows MS ()MFC 1 2 ( ) Win95 TCP/IP ( ) Win95 UNIX TCP/IP 3 ( MFC ) C C++) 1 Win32API TSG No. 210

9 Map Friends Project - mfp - italk Win italk Map Friends Project - mfp - mfp is not THE Friends Project... (^^;; nger 1 ( Aleph-NULL ) ngerd friends ecc-as50, ecc-as51 ( ) connect 1997 sodan.komaba.ecc.u-tokyo.ac.jp friendsd ( ) Aleph- NULL rfpmap Map Friends Project... TSGer 1 :) TSG No

jp/~kazuho/friends/ (^^;; nger 1 ( Aleph-NULL ) ngerd friends ecc-as50, ecc-as51 ( )

10 Map Friends Project - mfp - 2 mfp 3 mfp Friends Project... int xst[54] 1. (,, ) 2. ( ) ID 3. ID AVL ( ) (^^;; :) 2 ( 3 djgpp libc v2.01 for PC-AT/PC-9800 PATCH :D 8 TSG No. 210

11 E EEEEEEEE E PPP TEA( ) TEA DOS PPP PPP Point-to-Point Protocol NIFTY SERVE ( : ) PPP Windows UNIX PPP italk Windows 9801 DOS PPP telnet DOS DOS/V EtherPPP dosppp DOS PPP DOS/V ( ) PPP ZZZ Q2 1 3 TSG No

12 PPP login:zzz Password: PPP session from ( ) to beginning... ~ }#!}!}!} }4}"}&} } } } }%}& DOS PPP PPP IP TCP telnet italk italk telnet TCP IP PPP PPP TCP/IP DOS C stdaux AUXTERM PPP PPP 0x7e 0x7e 0x7e 0x7d 0x7e ^0x20 = 0x5e 16bit CRC CRC PPP LCP (Link Control Protocol) PPP 10 TSG No. 210

13 PPP ACK LCP PAP CHAP IP IP IPCP (Internet Protocol Control Protocol) IP IP IP IP IP TCP TCP TCP SYN SYN ACK ACK TCP IP IP TCP (telnet 23 italk 12345) IP DNS TCP TCP IP 00 IPCP TCP wait italk telnet FF FD 18 FF FC 18 (Applause ) TSG No

0.0.0 IP TCP TCP TCP SYN SYN ACK ACK TCP IP IP TCP (telnet 23

14 PPP window, DNS ICMP (ping traceroute ) PPP TCP/IP PPP (PAP,CHAP) ( sada@is.s.u-tokyo.ac.jp [1] : TCP/IP, ( ) [2] RFC Index Search Form, 12 TSG No. 210

15 (^^;; {8{1 305 Telephone: 03{5454{4343 (C) Theoretical Science Group, University of Tokyo, All rights are reserved. Printed in Japan.

16 THEORETICAL SCIENCE GROUP

203.dvi

203.dvi Theoretical Science Group 203 X RPG Project (Zephyr) ( ) tcommand............................... 1 13...................... 3......................... 7 RPG Project................................ 8 Tactics