The macro SIMPLEQ_EMPTY() return true if the simple queue head has no elements. The macro SIMPLEQ_FIRST() returns the first element of the simple queue head. The macro SIMPLEQ_FOREACH() traverses the tail queue referenced by head in the forward direction, assigning each element in turn to...
A tail queue is headed by a structure defined by the TAILQ_HEAD() macro. This structure contains a pair of pointers, one to the first element in the tail queue and the other to the last element in the tail queue. The elements are doubly linked so that an arbitrary element can be remo...
field) ((elm)->field.stqe_next)/** Simple queue definitions.*/#defineSIMPLEQ_HEAD(name, type) \structname { \structtype *sqh_first;/*first element*/\structtype **sqh
queue is empty } back++; // Increment back to insert the new element queue[back] = item; // Insert the item into the queue } // Function to display the elements in the queue void display() { if (front == -1 || front > back) { // Check if the queue is empty printf("Queue...
Linked lists can be used to implement the queue data structure. There are three main types of linked lists – singly linked list, doubly linked list, and circular linked lists. A singly linked list consists of a chain of nodes, where each node has a data element and a pointer to the ...
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"Programming in Lua" says: The table.insert function inserts an element in a given position of an array, moving up other elements to open space. The 5.2 Reference Manual says much the same, but adds "if necessary." It also says at the start of the section: ...
The macro SIMPLEQ_FOREACH() traverses the tail queue referenced by head in the forward direction, assigning each element in turn to var. The macro SIMPLEQ_NEXT() returns the element after the element elm. The macros prefixed with “STAILQ_” (STAILQ_HEAD(), STAILQ_HEAD_INITIALIZER(), ...