// Skip function: __VERIFIER_error

// Skip function: __VERIFIER_nondet_int

// Skip function: __VERIFIER_nondet_ulong

// Function: __copy_from_user_overflow
// with type: void __copy_from_user_overflow()
// with return type: void
void __copy_from_user_overflow() {
  // Void type
  return;
}

// Function: __copy_to_user_overflow
// with type: void __copy_to_user_overflow()
// with return type: void
void __copy_to_user_overflow() {
  // Void type
  return;
}

// 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: __might_sleep
// with type: void __might_sleep(const char *, int, int)
// with return type: void
void __might_sleep(const char *arg0, int arg1, int arg2) {
  // Void type
  return;
}

// Function: _copy_from_user
// with type: unsigned long int _copy_from_user(void *, const void *, unsigned int)
// with return type: unsigned long int
unsigned long __VERIFIER_nondet_ulong(void);
unsigned long int _copy_from_user(void *arg0, const void *arg1, unsigned int arg2) {
  // Simple type
  return __VERIFIER_nondet_ulong();
}

// Function: _copy_to_user
// with type: unsigned long int _copy_to_user(void *, const void *, unsigned int)
// with return type: unsigned long int
unsigned long __VERIFIER_nondet_ulong(void);
unsigned long int _copy_to_user(void *arg0, const void *arg1, unsigned int arg2) {
  // Simple type
  return __VERIFIER_nondet_ulong();
}

// 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: alloc_netdev_mqs
// with type: struct net_device *alloc_netdev_mqs(int, const char *, void (*)(struct net_device *), unsigned int, unsigned int)
// with return type: (struct net_device)*
struct net_device *alloc_netdev_mqs(int arg0, const char *arg1, void (*arg2)(struct net_device *), unsigned int arg3, unsigned int arg4) {
  // Pointer type
  return ldv_malloc(sizeof(struct net_device));
}

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

// Function: dev_close
// with type: int dev_close(struct net_device *)
// with return type: int
int __VERIFIER_nondet_int(void);
int dev_close(struct net_device *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();
}

// Function: eth_type_trans
// with type: __be16 eth_type_trans(struct sk_buff *, struct net_device *)
// with return type: __be16 
unsigned short __VERIFIER_nondet_ushort(void);
__be16 eth_type_trans(struct sk_buff *arg0, struct net_device *arg1) {
  // Typedef type
  // Real type: __u16 
  // Typedef type
  // Real type: unsigned short
  // Simple type
  return __VERIFIER_nondet_ushort();
}

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

// Function: get_random_bytes
// with type: void get_random_bytes(void *, int)
// with return type: void
void get_random_bytes(void *arg0, int arg1) {
  // Void type
  return;
}

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

// Skip function: kfree

// Function: ldv_disconnect_2
// with type: int ldv_disconnect_2()
// with return type: int
int __VERIFIER_nondet_int(void);
int ldv_disconnect_2() {
  // Simple type
  return __VERIFIER_nondet_int();
}

// Function: ldv_ndo_init_3
// with type: int ldv_ndo_init_3()
// with return type: int
int __VERIFIER_nondet_int(void);
int ldv_ndo_init_3() {
  // Simple type
  return __VERIFIER_nondet_int();
}

// Function: ldv_ndo_uninit_3
// with type: int ldv_ndo_uninit_3()
// with return type: int
int __VERIFIER_nondet_int(void);
int ldv_ndo_uninit_3() {
  // Simple type
  return __VERIFIER_nondet_int();
}

// Function: ldv_open_2
// with type: int ldv_open_2()
// with return type: int
int __VERIFIER_nondet_int(void);
int ldv_open_2() {
  // Simple type
  return __VERIFIER_nondet_int();
}

// Function: ldv_setup_2
// with type: int ldv_setup_2()
// with return type: int
int __VERIFIER_nondet_int(void);
int ldv_setup_2() {
  // 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: memcpy

// Skip function: memset

// Function: might_fault
// with type: void might_fault()
// with return type: void
void might_fault() {
  // Void type
  return;
}

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

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

// Function: pskb_expand_head
// with type: int pskb_expand_head(struct sk_buff *, int, int, gfp_t )
// with return type: int
int __VERIFIER_nondet_int(void);
int pskb_expand_head(struct sk_buff *arg0, int arg1, int arg2, gfp_t arg3) {
  // 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: register_netdevice
// with type: int register_netdevice(struct net_device *)
// with return type: int
int __VERIFIER_nondet_int(void);
int register_netdevice(struct net_device *arg0) {
  // Simple type
  return __VERIFIER_nondet_int();
}

// Function: skb_clone
// with type: struct sk_buff *skb_clone(struct sk_buff *, gfp_t )
// with return type: (struct sk_buff)*
struct sk_buff *skb_clone(struct sk_buff *arg0, gfp_t arg1) {
  // Pointer type
  return ldv_malloc(sizeof(struct sk_buff));
}

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

// 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;
}

// Function: unregister_netdevice_queue
// with type: void unregister_netdevice_queue(struct net_device *, struct list_head *)
// with return type: void
void unregister_netdevice_queue(struct net_device *arg0, struct list_head *arg1) {
  // Void type
  return;
}