void* pblListSetFirst

( PblList* list, void* element )

Replaces the head (first element) of this list.

Documentation

Replaces the head (first element) of this list.

This method has a time complexity of O(1).

Parameters:

list - The list to use
element - Element to be stored at the first position

Returns:

void * retptr != (void*)-1: The first element of this list before this call, may be NULL.
void * retptr == (void*)-1: An error, see pbl_errno:
PBL_ERROR_OUT_OF_BOUNDS - this list is empty.

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