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+--------+-------------------------+-------------------------+--------+--------+
|00000000| ff 01 00 00 00 5c 43 42 | 54 52 45 45 5c 50 52 4f |.....\CB|TREE\PRO|
|00000010| 47 52 41 4d 53 5c 5a 41 | 50 48 44 52 2e 43 00 00 |GRAMS\ZA|PHDR.C..|
|00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000040| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000050| 00 00 00 1a 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000060| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000080| 2f 2a 20 43 6f 70 79 72 | 69 67 68 74 20 28 43 29 |/* Copyr|ight (C)|
|00000090| 20 20 57 61 6c 74 65 72 | 20 4c 2e 20 50 65 61 63 |  Walter| L. Peac|
|000000a0| 6f 63 6b 20 31 39 38 34 | 2d 31 39 38 38 2e 20 20 |ock 1984|-1988.  |
|000000b0| 41 6c 6c 20 72 69 67 68 | 74 73 20 72 65 73 65 72 |All righ|ts reser|
|000000c0| 76 65 64 20 2a 2f 0d 0a | 2f 2a 20 20 5a 20 41 20 |ved */..|/*  Z A |
|000000d0| 50 20 48 20 44 20 52 20 | 2e 20 43 20 20 30 31 2f |P H D R |. C  01/|
|000000e0| 33 30 2f 38 35 20 2a 2f | 0d 0a 0d 0a 23 69 6e 63 |30/85 */|....#inc|
|000000f0| 6c 75 64 65 20 3c 73 74 | 64 69 6f 2e 68 3e 0d 0a |lude <st|dio.h>..|
|00000100| 23 69 6e 63 6c 75 64 65 | 20 22 63 62 74 72 65 65 |#include| "cbtree|
|00000110| 2e 68 22 0d 0a 0d 0a 23 | 69 66 20 41 6d 69 67 61 |.h"....#|if Amiga|
|00000120| 44 4f 53 20 26 20 4c 43 | 0d 0a 23 64 65 66 69 6e |DOS & LC|..#defin|
|00000130| 65 20 70 72 69 6e 74 66 | 20 69 70 72 69 6e 74 66 |e printf| iprintf|
|00000140| 0d 0a 23 65 6e 64 69 66 | 0d 0a 0d 0a 76 6f 69 64 |..#endif|....void|
|00000150| 20 6d 61 69 6e 28 61 72 | 67 63 2c 20 61 72 67 76 | main(ar|gc, argv|
|00000160| 29 0d 0a 69 6e 74 20 20 | 20 61 72 67 63 3b 0d 0a |)..int  | argc;..|
|00000170| 63 68 61 72 20 2a 61 72 | 67 76 5b 5d 3b 0d 0a 7b |char *ar|gv[];..{|
|00000180| 0d 0a 20 20 20 65 78 74 | 65 72 6e 20 63 68 61 72 |..   ext|ern char|
|00000190| 20 2a 63 61 6c 6c 6f 63 | 28 29 3b 0d 0a 20 20 20 | *calloc|();..   |
|000001a0| 65 78 74 65 72 6e 20 63 | 68 61 72 20 2a 73 74 72 |extern c|har *str|
|000001b0| 63 70 79 28 29 3b 0d 0a | 20 20 20 65 78 74 65 72 |cpy();..|   exter|
|000001c0| 6e 20 69 6e 74 20 20 20 | 65 78 69 74 28 29 3b 0d |n int   |exit();.|
|000001d0| 0a 20 20 20 65 78 74 65 | 72 6e 20 69 6e 74 20 20 |.   exte|rn int  |
|000001e0| 20 6f 70 65 6e 28 29 3b | 0d 0a 20 20 20 65 78 74 | open();|..   ext|
|000001f0| 65 72 6e 20 69 6e 74 20 | 20 20 63 6c 6f 73 65 28 |ern int |  close(|
|00000200| 29 3b 0d 0a 20 20 20 42 | 54 42 4c 4b 48 44 52 20 |);..   B|TBLKHDR |
|00000210| 66 72 65 65 73 70 63 3b | 0d 0a 20 20 20 69 6e 74 |freespc;|..   int|
|00000220| 20 66 64 3b 0d 0a 20 20 | 20 63 68 61 72 20 66 69 | fd;..  | char fi|
|00000230| 6c 65 6e 61 6d 65 5b 33 | 32 5d 2c 20 6e 75 6d 5f |lename[3|2], num_|
|00000240| 73 5b 31 35 5d 3b 0d 0a | 20 20 20 6c 6f 6e 67 20 |s[15];..|   long |
|00000250| 61 74 6f 6c 28 29 2c 20 | 78 74 6f 6c 28 29 3b 0d |atol(), |xtol();.|
|00000260| 0a 20 20 20 6c 6f 6e 67 | 20 6c 62 75 66 66 5b 32 |.   long| lbuff[2|
|00000270| 5d 2c 20 6c 73 65 65 6b | 28 29 3b 0d 0a 0d 0a 20 |], lseek|();.... |
|00000280| 20 20 77 6f 70 65 6e 28 | 22 43 4f 4e 3a 30 2f 30 |  wopen(|"CON:0/0|
|00000290| 2f 36 34 30 2f 32 30 30 | 2f 5a 61 70 68 64 72 6c |/640/200|/Zaphdrl|
|000002a0| 22 29 3b 0d 0a 0d 0a 20 | 20 20 73 63 72 5f 63 6c |");.... |  scr_cl|
|000002b0| 72 28 29 3b 0d 0a 20 20 | 20 70 72 69 6e 74 66 28 |r();..  | printf(|
|000002c0| 0d 0a 20 20 20 22 5c 6e | 5c 6e 20 20 20 20 5a 41 |..   "\n|\n    ZA|
|000002d0| 50 20 66 69 6c 65 20 68 | 65 61 64 65 72 20 72 65 |P file h|eader re|
|000002e0| 63 6f 72 64 20 46 52 45 | 45 20 53 50 41 43 45 20 |cord FRE|E SPACE |
|000002f0| 61 6e 64 20 45 4e 44 2d | 4f 46 2d 46 49 4c 45 20 |and END-|OF-FILE |
|00000300| 70 6f 69 6e 74 65 72 73 | 2e 5c 6e 22 29 3b 0d 0a |pointers|.\n");..|
|00000310| 0d 0a 20 20 20 66 64 20 | 3d 20 67 65 74 66 6e 61 |..   fd |= getfna|
|00000320| 6d 65 28 61 72 67 63 2c | 20 61 72 67 76 2c 20 22 |me(argc,| argv, "|
|00000330| 69 64 78 22 2c 20 66 69 | 6c 65 6e 61 6d 65 29 3b |idx", fi|lename);|
|00000340| 0d 0a 0d 0a 20 20 20 2f | 2a 20 67 65 74 20 74 68 |....   /|* get th|
|00000350| 65 20 63 75 72 72 65 6e | 74 20 76 61 6c 75 65 73 |e curren|t values|
|00000360| 20 66 6f 72 20 74 68 65 | 20 66 72 65 65 6c 73 74 | for the| freelst|
|00000370| 20 61 6e 64 20 65 6f 66 | 20 70 6f 69 6e 74 65 72 | and eof| pointer|
|00000380| 73 20 2a 2f 0d 0a 20 20 | 20 67 65 74 66 68 64 72 |s */..  | getfhdr|
|00000390| 28 26 66 72 65 65 73 70 | 63 2c 20 66 64 29 3b 0d |(&freesp|c, fd);.|
|000003a0| 0a 20 20 20 6c 62 75 66 | 66 5b 30 5d 20 3d 20 66 |.   lbuf|f[0] = f|
|000003b0| 72 65 65 73 70 63 2e 66 | 72 65 65 6c 73 74 3b 20 |reespc.f|reelst; |
|000003c0| 20 20 2f 2a 20 72 65 6d | 65 6d 62 65 72 20 74 68 |  /* rem|ember th|
|000003d0| 65 73 65 20 2a 2f 0d 0a | 20 20 20 6c 62 75 66 66 |ese */..|   lbuff|
|000003e0| 5b 31 5d 20 3d 20 66 72 | 65 65 73 70 63 2e 65 6f |[1] = fr|eespc.eo|
|000003f0| 66 6c 73 74 3b 0d 0a 0d | 0a 20 20 20 70 72 69 6e |flst;...|.   prin|
|00000400| 74 66 28 22 5c 6e 20 20 | 20 20 45 6e 74 65 72 20 |tf("\n  |  Enter |
|00000410| 4e 65 77 20 46 72 65 65 | 20 4c 69 73 74 20 50 6f |New Free| List Po|
|00000420| 69 6e 74 65 72 20 3c 25 | 6c 75 20 28 30 78 25 30 |inter <%|lu (0x%0|
|00000430| 34 6c 78 29 3e 20 3d 3d | 3e 20 22 2c 0d 0a 20 20 |4lx)> ==|> ",..  |
|00000440| 20 6c 62 75 66 66 5b 30 | 5d 2c 20 6c 62 75 66 66 | lbuff[0|], lbuff|
|00000450| 5b 30 5d 29 3b 0d 0a 20 | 20 20 67 65 74 73 28 6e |[0]);.. |  gets(n|
|00000460| 75 6d 5f 73 29 3b 0d 0a | 0d 0a 20 20 20 69 66 20 |um_s);..|..   if |
|00000470| 28 2a 6e 75 6d 5f 73 20 | 21 3d 20 27 5c 30 27 29 |(*num_s |!= '\0')|
|00000480| 0d 0a 20 20 20 20 20 20 | 6c 62 75 66 66 5b 30 5d |..      |lbuff[0]|
|00000490| 20 3d 20 28 73 74 72 6e | 63 6d 70 28 6e 75 6d 5f | = (strn|cmp(num_|
|000004a0| 73 2c 20 22 30 78 22 2c | 20 32 29 20 3d 3d 20 30 |s, "0x",| 2) == 0|
|000004b0| 29 20 3f 0d 0a 20 20 20 | 20 20 20 20 20 20 20 20 |) ?..   |        |
|000004c0| 20 20 20 20 78 74 6f 6c | 28 6e 75 6d 5f 73 2b 32 |    xtol|(num_s+2|
|000004d0| 29 20 3a 20 61 74 6f 6c | 28 6e 75 6d 5f 73 29 3b |) : atol|(num_s);|
|000004e0| 0d 0a 0d 0a 20 20 20 70 | 72 69 6e 74 66 28 22 5c |....   p|rintf("\|
|000004f0| 6e 20 20 20 20 45 6e 74 | 65 72 20 4e 65 77 20 45 |n    Ent|er New E|
|00000500| 6e 64 20 4f 66 20 46 69 | 6c 65 20 50 6f 69 6e 74 |nd Of Fi|le Point|
|00000510| 65 72 20 3c 25 6c 75 20 | 28 30 78 25 30 34 6c 78 |er <%lu |(0x%04lx|
|00000520| 29 3e 20 3d 3d 3e 20 22 | 2c 0d 0a 20 20 20 6c 62 |)> ==> "|,..   lb|
|00000530| 75 66 66 5b 31 5d 2c 20 | 20 6c 62 75 66 66 5b 31 |uff[1], | lbuff[1|
|00000540| 5d 29 3b 0d 0a 20 20 20 | 67 65 74 73 28 6e 75 6d |]);..   |gets(num|
|00000550| 5f 73 29 3b 0d 0a 0d 0a | 20 20 20 69 66 20 28 2a |_s);....|   if (*|
|00000560| 6e 75 6d 5f 73 20 21 3d | 20 27 5c 30 27 29 0d 0a |num_s !=| '\0')..|
|00000570| 20 20 20 20 20 20 6c 62 | 75 66 66 5b 31 5d 20 3d |      lb|uff[1] =|
|00000580| 20 28 73 74 72 6e 63 6d | 70 28 6e 75 6d 5f 73 2c | (strncm|p(num_s,|
|00000590| 20 22 30 78 22 2c 20 32 | 29 20 3d 3d 20 30 29 20 | "0x", 2|) == 0) |
|000005a0| 3f 0d 0a 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |?..     |        |
|000005b0| 20 20 78 74 6f 6c 28 6e | 75 6d 5f 73 2b 32 29 20 |  xtol(n|um_s+2) |
|000005c0| 3a 20 61 74 6f 6c 28 6e | 75 6d 5f 73 29 3b 0d 0a |: atol(n|um_s);..|
|000005d0| 0d 0a 20 20 20 70 72 69 | 6e 74 66 28 22 5c 6e 5c |..   pri|ntf("\n\|
|000005e0| 6e 20 20 20 20 4e 65 77 | 20 46 72 65 65 20 4c 69 |n    New| Free Li|
|000005f0| 73 74 20 50 6f 69 6e 74 | 65 72 20 20 66 6f 72 20 |st Point|er  for |
|00000600| 20 66 69 6c 65 20 27 25 | 73 27 20 69 73 3a 20 25 | file '%|s' is: %|
|00000610| 6c 75 20 28 30 78 25 30 | 34 6c 78 29 22 2c 0d 0a |lu (0x%0|4lx)",..|
|00000620| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000630| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|00000640| 20 66 69 6c 65 6e 61 6d | 65 2c 20 6c 62 75 66 66 | filenam|e, lbuff|
|00000650| 5b 30 5d 2c 20 6c 62 75 | 66 66 5b 30 5d 29 3b 0d |[0], lbu|ff[0]);.|
|00000660| 0a 20 20 20 70 72 69 6e | 74 66 28 22 5c 6e 5c 6e |.   prin|tf("\n\n|
|00000670| 20 20 20 20 4e 65 77 20 | 45 6e 64 20 4f 66 20 46 |    New |End Of F|
|00000680| 69 6c 65 20 50 6f 69 6e | 74 65 72 20 66 6f 72 20 |ile Poin|ter for |
|00000690| 66 69 6c 65 20 27 25 73 | 27 20 69 73 3a 20 25 6c |file '%s|' is: %l|
|000006a0| 75 20 28 30 78 25 30 34 | 6c 78 29 22 2c 0d 0a 20 |u (0x%04|lx)",.. |
|000006b0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000006c0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 |        |        |
|000006d0| 66 69 6c 65 6e 61 6d 65 | 2c 20 6c 62 75 66 66 5b |filename|, lbuff[|
|000006e0| 31 5d 2c 20 6c 62 75 66 | 66 5b 31 5d 29 3b 0d 0a |1], lbuf|f[1]);..|
|000006f0| 0d 0a 20 20 20 69 66 20 | 28 6c 73 65 65 6b 28 66 |..   if |(lseek(f|
|00000700| 64 2c 20 30 4c 2c 20 30 | 29 20 3d 3d 20 2d 31 4c |d, 0L, 0|) == -1L|
|00000710| 29 0d 0a 20 20 20 20 20 | 20 63 6b 65 72 72 6f 72 |)..     | ckerror|
|00000720| 28 2d 20 43 4b 5f 53 45 | 45 4b 2c 20 22 7a 61 70 |(- CK_SE|EK, "zap|
|00000730| 68 64 72 6c 3a 20 66 64 | 22 29 3b 0d 0a 20 20 20 |hdrl: fd|");..   |
|00000740| 69 66 20 28 77 72 69 74 | 65 28 66 64 2c 20 28 63 |if (writ|e(fd, (c|
|00000750| 68 61 72 20 2a 29 6c 62 | 75 66 66 2c 20 73 69 7a |har *)lb|uff, siz|
|00000760| 65 6f 66 28 6c 62 75 66 | 66 29 20 29 20 3d 3d 20 |eof(lbuf|f) ) == |
|00000770| 45 52 52 29 0d 0a 20 20 | 20 20 20 20 63 6b 65 72 |ERR)..  |    cker|
|00000780| 72 6f 72 28 2d 20 43 4b | 5f 57 52 49 54 2c 20 22 |ror(- CK|_WRIT, "|
|00000790| 7a 61 70 68 64 72 6c 3a | 20 6c 62 75 66 66 22 29 |zaphdrl:| lbuff")|
|000007a0| 3b 0d 0a 0d 0a 20 20 20 | 63 6c 6f 73 65 28 66 64 |;....   |close(fd|
|000007b0| 29 3b 0d 0a 20 20 20 77 | 63 6c 6f 73 65 28 29 3b |);..   w|close();|
|000007c0| 20 20 20 2f 2a 20 63 6c | 6f 73 65 20 41 6d 69 67 |   /* cl|ose Amig|
|000007d0| 61 20 77 69 6e 64 6f 77 | 20 2a 2f 0d 0a 20 20 20 |a window| */..   |
|000007e0| 70 75 74 73 28 22 5c 6e | 5c 6e 22 29 3b 0d 0a 7d |puts("\n|\n");..}|
|000007f0| 0d 0a 0d 0a 6c 6f 6e 67 | 20 78 74 6f 6c 28 73 29 |....long| xtol(s)|
|00000800| 20 20 20 2f 2a 20 4e 55 | 4c 2d 74 65 72 6d 69 6e |   /* NU|L-termin|
|00000810| 61 74 65 64 20 68 65 78 | 2d 61 73 63 69 69 20 73 |ated hex|-ascii s|
|00000820| 74 72 69 6e 67 20 74 6f | 20 6c 6f 6e 67 20 2a 2f |tring to| long */|
|00000830| 0d 0a 63 68 61 72 20 2a | 73 3b 0d 0a 7b 0d 0a 20 |..char *|s;..{.. |
|00000840| 20 20 63 68 61 72 20 63 | 3b 0d 0a 20 20 20 6c 6f |  char c|;..   lo|
|00000850| 6e 67 20 6c 20 3d 20 30 | 4c 3b 0d 0a 0d 0a 20 20 |ng l = 0|L;....  |
|00000860| 20 77 68 69 6c 65 20 28 | 20 28 28 63 20 3d 20 74 | while (| ((c = t|
|00000870| 6f 75 70 70 65 72 28 2a | 73 29 29 20 3e 3d 20 27 |oupper(*|s)) >= '|
|00000880| 30 27 20 26 26 20 63 20 | 3c 3d 20 27 39 27 29 20 |0' && c |<= '9') |
|00000890| 7c 7c 20 28 63 20 3e 3d | 20 27 41 27 20 26 26 20 ||| (c >=| 'A' && |
|000008a0| 63 20 3c 3d 20 27 46 27 | 29 20 29 0d 0a 20 20 20 |c <= 'F'|) )..   |
|000008b0| 7b 0d 0a 20 20 20 20 20 | 20 2b 2b 73 3b 0d 0a 20 |{..     | ++s;.. |
|000008c0| 20 20 20 20 20 6c 20 3c | 3c 3d 20 34 3b 0d 0a 20 |     l <|<= 4;.. |
|000008d0| 20 20 20 20 20 6c 20 2b | 3d 20 28 63 20 3c 3d 20 |     l +|= (c <= |
|000008e0| 27 39 27 29 20 3f 20 28 | 63 20 2d 20 27 30 27 29 |'9') ? (|c - '0')|
|000008f0| 20 3a 20 28 63 20 2d 20 | 27 41 27 20 2b 20 30 78 | : (c - |'A' + 0x|
|00000900| 41 29 3b 0d 0a 20 20 20 | 7d 0d 0a 20 20 20 72 65 |A);..   |}..   re|
|00000910| 74 75 72 6e 20 28 6c 29 | 3b 0d 0a 7d 0d 0a 0d 0a |turn (l)|;..}....|
+--------+-------------------------+-------------------------+--------+--------+