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Don't use 0 as null pointer constant, part 1

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Use NULL instead of 0, for clarity.  Except in pointer comparisons;
leave that to the next two commits.
This commit is contained in:
Markus Armbruster 2009-03-22 18:50:43 +01:00
parent a2ed975ec2
commit 615681ce16
51 changed files with 107 additions and 100 deletions
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2
src/lib/commands/para.c
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@ -128,7 +128,7 @@ paradrop(struct emp_qelem *list, coord x, coord y)
att_combat_init(def, EF_SECTOR);
def->x = x;
def->y = y;
if (att_abort(A_PARA, 0, def))
if (att_abort(A_PARA, NULL, def))
return RET_FAIL;
/* Show what we're air-assaulting, and check treaties */