#ifndef __SINGLE_LIST_H__
#define __SINGLE_LIST_H__

typedef struct single_node {
	int value;
	struct single_node *next;
} single_node_t;

typedef struct single_list {
	struct single_node *head;
	struct single_node *tail;
	int size;
} single_list_t;

// This must appear right at the end of the local variable declarations,
// as they contain both a declaration and an initialization

#define SINGLE_LIST_INIT( x )                                               \
    single_list_t x;                                                        \
    single_list_init( &x )

#define SINGLE_LIST_MALLOC( x )                                             \
    single_list_t *x = (single_list_t *) malloc( sizeof( single_list_t ) ); \
    single_list_init( x )

void single_list_init( single_list_t *const list );
void single_list_destroy( single_list_t *const list );

int single_list_front( single_list_t *const list );
int single_list_back( single_list_t *const list );
void single_list_push_front( single_list_t *const list, int n );
void single_list_pop_front( single_list_t *const list );

#endif