GNU gdb 20010316
[...]
#0  0x080abebf in city_support (pcity=0x84b7828) at city.c:1900
1900	  unit_list_iterate(pcity->units_supported, this_unit) {
(gdb) p *pcity
$1 = {id = 351, owner = 0, x = 11, y = 34, 
  name = "\n\000\000\000\000\000\000\000\002\000\000\000\002\000\000\000\002\000\000\000\002\000\000\000\003\000\000\000\001\000\000", size = 5, ppl_happy = {0, 0, 0, 0, 0}, 
  ppl_content = {0, 0, 0, 0, 0}, ppl_unhappy = {0, 0, 0, 0, 0}, ppl_angry = {0, 0, 0, 0, 
    0}, ppl_elvis = 5, ppl_scientist = 0, ppl_taxman = 0, trade = {20, 0, 3, 1}, 
  trade_value = {0, 0, 0, 0}, food_prod = 0, food_surplus = -10, shield_prod = 0, 
  shield_surplus = 0, trade_prod = 0, corruption = 0, tile_trade = 0, shield_bonus = 100, 
  tax_bonus = 100, science_bonus = 100, luxury_total = 10, tax_total = 0, 
  science_total = 0, food_stock = 0, shield_stock = 256, pollution = 0, 
  incite_revolt_cost = 0, is_building_unit = 0, currently_building = 0, 
  improvements = "\000\000\000\000\000\001", '\000' <repeats 31 times>, "\001", '\000' <repeats 55 times>, "\222K\b", '\000' <repeats 24 times>, "\020\222K\b", '\000' <repeats 24 times>, " \222K\b", '\000' <repeats 12 times>, "XyK\bp\200K\b\b\000\000\000\005\000\000\000\017\000\000\000\001\000\000\000a worklist\000\b", effects = {vector = {ptr = 0x20, size = 16, 
      n = 138057552, n_alloc = 138057424}}, worklist = {is_valid = 148179340, 
    name = "\000\000\000\0000áD@\230*š\b\020\000\000\000\020\000\000\000\020\227:\bð\226:\b \000\000", wlefs = {16, 148120620, 138057472, 96, 16, 143001928, 137902224, 148121952, 
      WEF_END, 137996600, 1078256016, 16, 16, 137996608, 138057520, 32}, wlids = {16, 
      138057568, 138057440, 48, 16, 138057584, 138057552, 64, 2, 0, 1, 0, 2, 0, 1, 1}}, 
  city_map = {{C_TILE_WORKER, C_TILE_EMPTY, C_TILE_UNAVAILABLE, C_TILE_EMPTY, 
      C_TILE_WORKER}, {C_TILE_EMPTY, C_TILE_EMPTY, C_TILE_UNAVAILABLE, C_TILE_EMPTY, 
      C_TILE_EMPTY}, {C_TILE_EMPTY, C_TILE_EMPTY, C_TILE_UNAVAILABLE, C_TILE_EMPTY, 
      C_TILE_UNAVAILABLE}, {C_TILE_EMPTY, C_TILE_UNAVAILABLE, C_TILE_UNAVAILABLE, 
      139164392, 139164392}, {C_TILE_EMPTY, 138900088, 145230896, C_TILE_EMPTY, 
      C_TILE_EMPTY}}, units_supported = {list = {nelements = 0, null_link = {
        next = 0x84b7b08, prev = 0x6e8, dataptr = 0x6f8}, head_link = 0x1d, 
      tail_link = 0x0}}, steal = 0, did_buy = 0, did_sell = 10, is_updated = 0, 
  turn_last_built = 1774, turn_changed_target = 0, changed_from_id = 0, 
  changed_from_is_unit = 0, disbanded_shields = 15, caravan_shields = 0, 
  before_change_shields = 0, anarchy = 139164488, rapture = 139164488, was_happy = 0, 
  airlift = 139164488, original = 139164488, city_options = 0, synced = 139164512, 
  info_units_supported = {list = {nelements = 139164512, null_link = {next = 0x0, 
        prev = 0x84b7b60, dataptr = 0x84b7b60}, head_link = 0x84b7b68, 
      tail_link = 0x84b7b68}}, info_units_present = {list = {nelements = 0, null_link = {
        next = 0x84b7b80, prev = 0x84b7b80, dataptr = 0x0}, head_link = 0x84b7b80, 
      tail_link = 0x84b7b80}}, ai = {workremain = 139170640, ai_role = 0, building_want = {
      0, 0, 0, 0, 0, 139170672, 0, 0, 0, 0, 0, 0, 139170688, 0, 0, 0, 0, 0, 0, 139170704, 
      0, 0, 0, 139164552, 0, 0, 139170720, 0, 0, 0, 0, 0, 0, 139170752, 0, 0, 0, 0, 0, 0, 
      139170768, 0, 0, 0, 0, 0, 0, 139170784, 0, 0, 0, 139164664, 0, 0, 139170800, 0, 0, 0, 
      0, 0, 0, 139170832, 0, 0, 0, 0, 0, 0, 139170848, 0, 0, 0, 0, 0, 0, 139170864, 0, 0, 
      0, 139164776, 0, 0, 139170880, 0, 0, 0, 0, 0, 0, 139170912, 0, 0, 0, 0, 0, 0, 
      139170928, 0, 0, 0, 0, 0, 0, 139170944, 0, 0, 0, 139164888, 0, 0, 139170960, 0, 0, 0, 
      0, 0, 0, 139170992, 0, 0, 0, 0, 0, 0, 139171008, 0, 0, 0, 0, 0, 0, 139171024, 0, 0, 
      0, 139165000, 0, 0, 139171040, 0, 0, 0, 0, 0, 0, 139171064, 0, 0, 0, 0, 0, 0, 
      139171080, 0, 0, 0, 0, 0, 0, 139171096, 0, 0, 0, 139165112, 0, 0, 139171112, 0, 0, 0, 
      0, 0, 0, 139171144, 0, 0, 0, 0, 0, 0, 139171160, 0, 0, 0, 0, 0, 0, 139171176, 0, 0, 
      0, 139165224, 0, 0, 139171192, 0, 0, 0, 0, 0}, danger = 0, 
    diplomat_threat = 139171224, urgency = 0, grave_danger = 0, wallvalue = 0, 
    trade_want = 0, choice = {choice = 0, want = 0, type = 139171240}, downtown = 0, 
    distance_to_wonder_city = 0, detox = {{0, 0, 0, 0, 0}, {0, 0, 0, -27208, 2123}, {0, 0, 
        0, 0, 0}, {0, 32408, 2123, 0, 0}, {0, 0, -27192, 2123, 0}}, derad = {{0, 0, 0, 0, 
        0}, {0, 0, 0, 0, 0}, {0, -27160, 2123, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}}, 
    mine = {{-27144, 2123, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, -27128}, {2123, 0, 0, 0, 
        0}, {0, 0, 0, 0, 0}}, irrigate = {{0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 
        0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}}, road = {{0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {
        0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}}, railroad = {{0, 0, 0, 0, 0}, {0, 
        0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}}, transform = {{0, 
        0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}}, 
    tile_value = {{0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 129}, {0, 
        1, 0, 0, 0}}, settler_want = 5, founder_want = 0, a = 7, f = 0, invasion = 13}}