void insert First node ptrhead int input void

• void insert. First ( node **ptr_head, int input ) ; • void insert. Last ( node **ptr_head, int input ) ; • void insert ( node **ptr_head, int target, int input ) ; • int delete. First ( node **ptr_head ) ; • int delete. Last ( node **ptr_head ) ; • int delete ( node **ptr_head, int target ) ; • int count. Node ( node **ptr_head ) ; • int is. Empty ( node **ptr_head) ; • int find. Target ( node **ptr_head, int 16 target ) ;