Mercurial > hg > early-roguelike
annotate arogue7/list.c @ 201:6fb21004a981
Fix some preprocessor directives.
Include process.h in the right place, and use the correct definition of
PATH_MAX, when compiling on Windows.
| author | John "Elwin" Edwards | 
|---|---|
| date | Wed, 12 Aug 2015 16:56:19 -0400 | 
| parents | adfa37e67084 | 
| children | f9ef86cf22b2 | 
| rev | line source | 
|---|---|
| 
125
 
adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
John "Elwin" Edwards 
parents:  
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1 /* | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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2 * list.c - Functions for dealing with linked lists of goodies | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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parents:  
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3 * | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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4 * Advanced Rogue | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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5 * Copyright (C) 1984, 1985, 1986 Michael Morgan, Ken Dalka and AT&T | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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6 * All rights reserved. | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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7 * | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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parents:  
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8 * Based on "Rogue: Exploring the Dungeons of Doom" | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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parents:  
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9 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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parents:  
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10 * All rights reserved. | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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11 * | 
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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12 * See the file LICENSE.TXT for full copyright and licensing information. | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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13 */ | 
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14 | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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15 /* | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
John "Elwin" Edwards 
parents:  
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16 * Functions for dealing with linked lists of goodies | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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parents:  
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17 * | 
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adfa37e67084
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18 */ | 
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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19 | 
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20 #include "curses.h" | 
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adfa37e67084
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21 #include <stdlib.h> | 
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adfa37e67084
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22 #include "rogue.h" | 
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23 | 
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24 /* | 
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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25 * detach: | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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parents:  
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26 * Takes an item out of whatever linked list it might be in | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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27 */ | 
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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28 | 
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29 _detach(list, item) | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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30 register struct linked_list **list, *item; | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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31 { | 
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32 if (*list == item) | 
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adfa37e67084
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33 *list = next(item); | 
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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34 if (prev(item) != NULL) item->l_prev->l_next = next(item); | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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35 if (next(item) != NULL) item->l_next->l_prev = prev(item); | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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parents:  
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36 item->l_next = NULL; | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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37 item->l_prev = NULL; | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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38 } | 
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39 | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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40 /* | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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41 * _attach: | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
John "Elwin" Edwards 
parents:  
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42 * add an item to the head of a list | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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43 */ | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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parents:  
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44 | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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parents:  
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45 _attach(list, item) | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
John "Elwin" Edwards 
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46 register struct linked_list **list, *item; | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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47 { | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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parents:  
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48 if (*list != NULL) | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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49 { | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
John "Elwin" Edwards 
parents:  
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50 item->l_next = *list; | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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parents:  
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51 (*list)->l_prev = item; | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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parents:  
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52 item->l_prev = NULL; | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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53 } | 
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54 else | 
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55 { | 
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adfa37e67084
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56 item->l_next = NULL; | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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57 item->l_prev = NULL; | 
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58 } | 
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59 | 
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60 *list = item; | 
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61 } | 
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62 | 
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63 /* | 
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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64 * o_free_list: | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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parents:  
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65 * Throw the whole object list away | 
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66 */ | 
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67 | 
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68 _o_free_list(ptr) | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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parents:  
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69 register struct linked_list **ptr; | 
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70 { | 
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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71 register struct linked_list *item; | 
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72 | 
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73 while (*ptr != NULL) | 
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74 { | 
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75 item = *ptr; | 
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adfa37e67084
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76 *ptr = next(item); | 
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77 o_discard(item); | 
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78 } | 
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79 } | 
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80 | 
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81 /* | 
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82 * o_discard: | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
John "Elwin" Edwards 
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83 * free up an item and its object(and maybe contents) | 
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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84 */ | 
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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85 | 
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adfa37e67084
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86 o_discard(item) | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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87 register struct linked_list *item; | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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88 { | 
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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parents:  
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89 register struct object *obj; | 
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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90 | 
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Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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91 obj = OBJPTR(item); | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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92 if (obj->contents != NULL) | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
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93 o_free_list(obj->contents); | 
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adfa37e67084
Import Advanced Rogue 7.7 from the Roguelike Restoration Project (r1490)
 
John "Elwin" Edwards 
parents:   | 
