for (; ptr1_ != 0 ; ptr1_ = ptr1_->next) \
{ \
/* Advance BITMAP2 to the equivalent link, using an all \
- zero element if an equavialent link doesn't exist. */ \
+ zero element if an equivalent link doesn't exist. */ \
bitmap_element *tmp2_; \
\
while (ptr2_ != 0 && ptr2_->indx < ptr1_->indx) \