Created
May 12, 2019 20:45
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[C] A function to swap two adjacent nodes in a doubly-linked list.
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void ls_swap(t_list **a) | |
{ | |
t_list *tmp; | |
tmp = (*a); | |
(*a) = (*a)->next; | |
tmp->next = (*a)->next; | |
if (tmp->next) | |
tmp->next->prev = tmp; | |
(*a)->prev = tmp->prev; | |
tmp->prev = (*a); | |
(*a)->next = tmp; | |
if ((*a)->prev) | |
(*a)->prev->next = (*a); | |
} |
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