// Skip function: __VERIFIER_error

// Skip function: __VERIFIER_nondet_int

// Skip function: __VERIFIER_nondet_uint

// Skip function: __VERIFIER_nondet_ulong

// Skip function: __VERIFIER_nondet_ushort

// Function: __dev_kfree_skb_any
// with type: void __dev_kfree_skb_any(struct sk_buff *, enum skb_free_reason )
// with return type: void
void __dev_kfree_skb_any(struct sk_buff *arg0, enum skb_free_reason arg1) {
  // Void type
  return;
}

// Function: __raw_spin_lock_init
// with type: void __raw_spin_lock_init(raw_spinlock_t *, const char *, struct lock_class_key *)
// with return type: void
void __raw_spin_lock_init(raw_spinlock_t *arg0, const char *arg1, struct lock_class_key *arg2) {
  // Void type
  return;
}

// Function: _raw_spin_lock_irqsave
// with type: unsigned long int _raw_spin_lock_irqsave(raw_spinlock_t *)
// with return type: unsigned long int
unsigned long __VERIFIER_nondet_ulong(void);
unsigned long int _raw_spin_lock_irqsave(raw_spinlock_t *arg0) {
  // Simple type
  return __VERIFIER_nondet_ulong();
}

// Function: _raw_spin_unlock_irqrestore
// with type: void _raw_spin_unlock_irqrestore(raw_spinlock_t *, unsigned long)
// with return type: void
void _raw_spin_unlock_irqrestore(raw_spinlock_t *arg0, unsigned long arg1) {
  // Void type
  return;
}

// Function: add_timer
// with type: void add_timer(struct timer_list *)
// with return type: void
void add_timer(struct timer_list *arg0) {
  // Void type
  return;
}

// Function: attach_hdlc_protocol
// with type: int attach_hdlc_protocol(struct net_device *, struct hdlc_proto *, size_t )
// with return type: int
int __VERIFIER_nondet_int(void);
int attach_hdlc_protocol(struct net_device *arg0, struct hdlc_proto *arg1, size_t arg2) {
  // Simple type
  return __VERIFIER_nondet_int();
}

// Skip function: calloc

// Function: capable
// with type: bool capable(int)
// with return type: bool 
bool __VERIFIER_nondet_bool(void);
bool capable(int arg0) {
  // Typedef type
  // Real type: _Bool
  // Simple type
  return __VERIFIER_nondet_bool();
}

// Function: del_timer
// with type: int del_timer(struct timer_list *)
// with return type: int
int __VERIFIER_nondet_int(void);
int del_timer(struct timer_list *arg0) {
  // Simple type
  return __VERIFIER_nondet_int();
}

// Function: dev_queue_xmit
// with type: int dev_queue_xmit(struct sk_buff *)
// with return type: int
int __VERIFIER_nondet_int(void);
int dev_queue_xmit(struct sk_buff *arg0) {
  // Simple type
  return __VERIFIER_nondet_int();
}

// Skip function: kfree

// Function: ldv_disconnect_3
// with type: int ldv_disconnect_3()
// with return type: int
int __VERIFIER_nondet_int(void);
int ldv_disconnect_3() {
  // Simple type
  return __VERIFIER_nondet_int();
}

// Function: ldv_open_3
// with type: int ldv_open_3()
// with return type: int
int __VERIFIER_nondet_int(void);
int ldv_open_3() {
  // Simple type
  return __VERIFIER_nondet_int();
}

// Function: ldv_release_3
// with type: int ldv_release_3()
// with return type: int
int __VERIFIER_nondet_int(void);
int ldv_release_3() {
  // Simple type
  return __VERIFIER_nondet_int();
}

// Function: ldv_setup_3
// with type: int ldv_setup_3()
// with return type: int
int __VERIFIER_nondet_int(void);
int ldv_setup_3() {
  // Simple type
  return __VERIFIER_nondet_int();
}

// Function: linkwatch_fire_event
// with type: void linkwatch_fire_event(struct net_device *)
// with return type: void
void linkwatch_fire_event(struct net_device *arg0) {
  // Void type
  return;
}

// Skip function: malloc

// Skip function: memcmp

// Skip function: memcpy

// Function: mod_timer
// with type: int mod_timer(struct timer_list *, unsigned long)
// with return type: int
int __VERIFIER_nondet_int(void);
int mod_timer(struct timer_list *arg0, unsigned long arg1) {
  // Simple type
  return __VERIFIER_nondet_int();
}

// Function: netdev_info
// with type: int netdev_info(const struct net_device *, const char *, ...)
// with return type: int
int __VERIFIER_nondet_int(void);
int netdev_info(const struct net_device *arg0, const char *arg1, ...) {
  // Simple type
  return __VERIFIER_nondet_int();
}

// Function: netdev_warn
// with type: int netdev_warn(const struct net_device *, const char *, ...)
// with return type: int
int __VERIFIER_nondet_int(void);
int netdev_warn(const struct net_device *arg0, const char *arg1, ...) {
  // Simple type
  return __VERIFIER_nondet_int();
}

// Function: register_hdlc_protocol
// with type: void register_hdlc_protocol(struct hdlc_proto *)
// with return type: void
void register_hdlc_protocol(struct hdlc_proto *arg0) {
  // Void type
  return;
}

// Function: skb_pull
// with type: unsigned char *skb_pull(struct sk_buff *, unsigned int)
// with return type: (unsigned char)*
unsigned char *skb_pull(struct sk_buff *arg0, unsigned int arg1) {
  // Pointer type
  return ldv_malloc(sizeof(unsigned char));
}

// Function: skb_push
// with type: unsigned char *skb_push(struct sk_buff *, unsigned int)
// with return type: (unsigned char)*
unsigned char *skb_push(struct sk_buff *arg0, unsigned int arg1) {
  // Pointer type
  return ldv_malloc(sizeof(unsigned char));
}

// Function: skb_put
// with type: unsigned char *skb_put(struct sk_buff *, unsigned int)
// with return type: (unsigned char)*
unsigned char *skb_put(struct sk_buff *arg0, unsigned int arg1) {
  unsigned char *ret_val = arg0->data + arg0->tail;
  // a more precise implementation of skb_put would actually re-allocate memory
  // here
  arg0->tail += arg1;
  // Pointer type
  return ret_val;
}

// Function: skb_queue_tail
// with type: void skb_queue_tail(struct sk_buff_head *, struct sk_buff *)
// with return type: void
void skb_queue_tail(struct sk_buff_head *arg0, struct sk_buff *arg1) {
  // Void type
  return;
}

// Function: unregister_hdlc_protocol
// with type: void unregister_hdlc_protocol(struct hdlc_proto *)
// with return type: void
void unregister_hdlc_protocol(struct hdlc_proto *arg0) {
  // Void type
  return;
}