list_peek_head function <BLOC/list.h>
The list_peek_head function peeks at (returns a reference to) the first item from a list. This function can be used to treat a list like a queue.
Syntax
void * list_peek_head( List *list );
Parameters
list
A pointer to a List object.
Return value
A reference to the first item. If the list was empty, the function returns NULL.