#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int /*<<< orphan*/ assert(int);
scalar_t__ test_append_doubly_linked_list();
scalar_t__ test_create_doubly_linked_list_char();
scalar_t__ test_create_doubly_linked_list_element_char();
scalar_t__ test_create_doubly_linked_list_element_float();
scalar_t__ test_create_doubly_linked_list_element_int();
scalar_t__ test_create_doubly_linked_list_empty();
scalar_t__ test_create_doubly_linked_list_float();
scalar_t__ test_create_doubly_linked_list_int();
scalar_t__ test_get_element_at_doubly_linked_list();
scalar_t__ test_get_head_doubly_linked_list();
scalar_t__ test_get_size_doubly_linked_list();
scalar_t__ test_get_tail_doubly_linked_list();
scalar_t__ test_is_equal_doubly_linked_list();
scalar_t__ test_prepend_doubly_linked_list();
scalar_t__ test_remove_all_doubly_linked_list();
scalar_t__ test_remove_element_at_doubly_linked_list_one();
scalar_t__ test_remove_element_at_doubly_linked_list_two();
scalar_t__ test_remove_element_at_doubly_linked_list_zero();
scalar_t__ test_remove_element_from_empty_doubly_linked_list();
scalar_t__ test_remove_element_head_doubly_linked_list();
scalar_t__ test_remove_element_middle_doubly_linked_list();
scalar_t__ test_remove_element_none_doubly_linked_list();
scalar_t__ test_remove_element_tail_doubly_linked_list();
scalar_t__ test_shallow_copy_doubly_linked_list();
int main() {
  assert(test_create_doubly_linked_list_element_int() == 0);
  assert(test_create_doubly_linked_list_element_float() == 0);
  assert(test_create_doubly_linked_list_element_char() == 0);
  assert(test_create_doubly_linked_list_empty() == 0);
  assert(test_create_doubly_linked_list_int() == 0);
  assert(test_create_doubly_linked_list_float() == 0);
  assert(test_create_doubly_linked_list_char() == 0);
  assert(test_get_head_doubly_linked_list() == 0);
  assert(test_get_tail_doubly_linked_list() == 0);
  assert(test_get_element_at_doubly_linked_list() == 0);
  assert(test_get_size_doubly_linked_list() == 0);
  assert(test_is_equal_doubly_linked_list() == 0);
  assert(test_shallow_copy_doubly_linked_list() == 0);
  assert(test_prepend_doubly_linked_list() == 0);
  assert(test_append_doubly_linked_list() == 0);
  assert(test_remove_element_none_doubly_linked_list() == 0);
  assert(test_remove_element_from_empty_doubly_linked_list() == 0);
  assert(test_remove_element_head_doubly_linked_list() == 0);
  assert(test_remove_element_middle_doubly_linked_list() == 0);
  assert(test_remove_element_tail_doubly_linked_list() == 0);
  assert(test_remove_element_at_doubly_linked_list_zero() == 0);
  assert(test_remove_element_at_doubly_linked_list_one() == 0);
  assert(test_remove_element_at_doubly_linked_list_two() == 0);
  assert(test_remove_all_doubly_linked_list() == 0);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
mov    $0x0,%al
call   1070 <test_create_doubly_linked_list_element_int@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   1050 <test_create_doubly_linked_list_element_float@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   1060 <test_create_doubly_linked_list_element_char@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   10c0 <test_create_doubly_linked_list_empty@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   10b0 <test_create_doubly_linked_list_int@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   1110 <test_create_doubly_linked_list_float@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   1130 <test_create_doubly_linked_list_char@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   10a0 <test_get_head_doubly_linked_list@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   1160 <test_get_tail_doubly_linked_list@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   10f0 <test_get_element_at_doubly_linked_list@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   1190 <test_get_size_doubly_linked_list@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   11a0 <test_is_equal_doubly_linked_list@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   10d0 <test_shallow_copy_doubly_linked_list@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   11b0 <test_prepend_doubly_linked_list@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   1090 <test_append_doubly_linked_list@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   1150 <test_remove_element_none_doubly_linked_list@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   1140 <test_remove_element_from_empty_doubly_linked_list@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   1120 <test_remove_element_head_doubly_linked_list@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   1100 <test_remove_element_middle_doubly_linked_list@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   1170 <test_remove_element_tail_doubly_linked_list@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   1040 <test_remove_element_at_doubly_linked_list_zero@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   1180 <test_remove_element_at_doubly_linked_list_one@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   1080 <test_remove_element_at_doubly_linked_list_two@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
mov    $0x0,%al
call   1030 <test_remove_all_doubly_linked_list@plt>
cmp    $0x0,%rax
sete   %al
and    $0x1,%al
movzbl %al,%edi
call   10e0 <assert@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
xor    %eax,%eax
call   1070 <test_create_doubly_linked_list_element_int@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   1050 <test_create_doubly_linked_list_element_float@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   1060 <test_create_doubly_linked_list_element_char@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   10c0 <test_create_doubly_linked_list_empty@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   10b0 <test_create_doubly_linked_list_int@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   1110 <test_create_doubly_linked_list_float@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   1130 <test_create_doubly_linked_list_char@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   10a0 <test_get_head_doubly_linked_list@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   1160 <test_get_tail_doubly_linked_list@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   10f0 <test_get_element_at_doubly_linked_list@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   1190 <test_get_size_doubly_linked_list@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   11a0 <test_is_equal_doubly_linked_list@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   10d0 <test_shallow_copy_doubly_linked_list@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   11b0 <test_prepend_doubly_linked_list@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   1090 <test_append_doubly_linked_list@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   1150 <test_remove_element_none_doubly_linked_list@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   1140 <test_remove_element_from_empty_doubly_linked_list@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   1120 <test_remove_element_head_doubly_linked_list@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   1100 <test_remove_element_middle_doubly_linked_list@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   1170 <test_remove_element_tail_doubly_linked_list@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   1040 <test_remove_element_at_doubly_linked_list_zero@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   1180 <test_remove_element_at_doubly_linked_list_one@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   1080 <test_remove_element_at_doubly_linked_list_two@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
call   1030 <test_remove_all_doubly_linked_list@plt>
xor    %edi,%edi
test   %rax,%rax
sete   %dil
call   10e0 <assert@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i64 (...) @test_create_doubly_linked_list_element_int()
%3 = icmp eq i64 %2, 0
%4 = zext i1 %3 to i32
%5 = call i32 @assert(i32 %4)
%6 = call i64 (...) @test_create_doubly_linked_list_element_float()
%7 = icmp eq i64 %6, 0
%8 = zext i1 %7 to i32
%9 = call i32 @assert(i32 %8)
%10 = call i64 (...) @test_create_doubly_linked_list_element_char()
%11 = icmp eq i64 %10, 0
%12 = zext i1 %11 to i32
%13 = call i32 @assert(i32 %12)
%14 = call i64 (...) @test_create_doubly_linked_list_empty()
%15 = icmp eq i64 %14, 0
%16 = zext i1 %15 to i32
%17 = call i32 @assert(i32 %16)
%18 = call i64 (...) @test_create_doubly_linked_list_int()
%19 = icmp eq i64 %18, 0
%20 = zext i1 %19 to i32
%21 = call i32 @assert(i32 %20)
%22 = call i64 (...) @test_create_doubly_linked_list_float()
%23 = icmp eq i64 %22, 0
%24 = zext i1 %23 to i32
%25 = call i32 @assert(i32 %24)
%26 = call i64 (...) @test_create_doubly_linked_list_char()
%27 = icmp eq i64 %26, 0
%28 = zext i1 %27 to i32
%29 = call i32 @assert(i32 %28)
%30 = call i64 (...) @test_get_head_doubly_linked_list()
%31 = icmp eq i64 %30, 0
%32 = zext i1 %31 to i32
%33 = call i32 @assert(i32 %32)
%34 = call i64 (...) @test_get_tail_doubly_linked_list()
%35 = icmp eq i64 %34, 0
%36 = zext i1 %35 to i32
%37 = call i32 @assert(i32 %36)
%38 = call i64 (...) @test_get_element_at_doubly_linked_list()
%39 = icmp eq i64 %38, 0
%40 = zext i1 %39 to i32
%41 = call i32 @assert(i32 %40)
%42 = call i64 (...) @test_get_size_doubly_linked_list()
%43 = icmp eq i64 %42, 0
%44 = zext i1 %43 to i32
%45 = call i32 @assert(i32 %44)
%46 = call i64 (...) @test_is_equal_doubly_linked_list()
%47 = icmp eq i64 %46, 0
%48 = zext i1 %47 to i32
%49 = call i32 @assert(i32 %48)
%50 = call i64 (...) @test_shallow_copy_doubly_linked_list()
%51 = icmp eq i64 %50, 0
%52 = zext i1 %51 to i32
%53 = call i32 @assert(i32 %52)
%54 = call i64 (...) @test_prepend_doubly_linked_list()
%55 = icmp eq i64 %54, 0
%56 = zext i1 %55 to i32
%57 = call i32 @assert(i32 %56)
%58 = call i64 (...) @test_append_doubly_linked_list()
%59 = icmp eq i64 %58, 0
%60 = zext i1 %59 to i32
%61 = call i32 @assert(i32 %60)
%62 = call i64 (...) @test_remove_element_none_doubly_linked_list()
%63 = icmp eq i64 %62, 0
%64 = zext i1 %63 to i32
%65 = call i32 @assert(i32 %64)
%66 = call i64 (...) @test_remove_element_from_empty_doubly_linked_list()
%67 = icmp eq i64 %66, 0
%68 = zext i1 %67 to i32
%69 = call i32 @assert(i32 %68)
%70 = call i64 (...) @test_remove_element_head_doubly_linked_list()
%71 = icmp eq i64 %70, 0
%72 = zext i1 %71 to i32
%73 = call i32 @assert(i32 %72)
%74 = call i64 (...) @test_remove_element_middle_doubly_linked_list()
%75 = icmp eq i64 %74, 0
%76 = zext i1 %75 to i32
%77 = call i32 @assert(i32 %76)
%78 = call i64 (...) @test_remove_element_tail_doubly_linked_list()
%79 = icmp eq i64 %78, 0
%80 = zext i1 %79 to i32
%81 = call i32 @assert(i32 %80)
%82 = call i64 (...) @test_remove_element_at_doubly_linked_list_zero()
%83 = icmp eq i64 %82, 0
%84 = zext i1 %83 to i32
%85 = call i32 @assert(i32 %84)
%86 = call i64 (...) @test_remove_element_at_doubly_linked_list_one()
%87 = icmp eq i64 %86, 0
%88 = zext i1 %87 to i32
%89 = call i32 @assert(i32 %88)
%90 = call i64 (...) @test_remove_element_at_doubly_linked_list_two()
%91 = icmp eq i64 %90, 0
%92 = zext i1 %91 to i32
%93 = call i32 @assert(i32 %92)
%94 = call i64 (...) @test_remove_all_doubly_linked_list()
%95 = icmp eq i64 %94, 0
%96 = zext i1 %95 to i32
%97 = call i32 @assert(i32 %96)
ret i32 0
}

LLVM IR (-O2):
define i32 @main() {
%1 = tail call i64 (...) @test_create_doubly_linked_list_element_int()
%2 = icmp eq i64 %1, 0
%3 = zext i1 %2 to i32
%4 = tail call i32 @assert(i32 %3)
%5 = tail call i64 (...) @test_create_doubly_linked_list_element_float()
%6 = icmp eq i64 %5, 0
%7 = zext i1 %6 to i32
%8 = tail call i32 @assert(i32 %7)
%9 = tail call i64 (...) @test_create_doubly_linked_list_element_char()
%10 = icmp eq i64 %9, 0
%11 = zext i1 %10 to i32
%12 = tail call i32 @assert(i32 %11)
%13 = tail call i64 (...) @test_create_doubly_linked_list_empty()
%14 = icmp eq i64 %13, 0
%15 = zext i1 %14 to i32
%16 = tail call i32 @assert(i32 %15)
%17 = tail call i64 (...) @test_create_doubly_linked_list_int()
%18 = icmp eq i64 %17, 0
%19 = zext i1 %18 to i32
%20 = tail call i32 @assert(i32 %19)
%21 = tail call i64 (...) @test_create_doubly_linked_list_float()
%22 = icmp eq i64 %21, 0
%23 = zext i1 %22 to i32
%24 = tail call i32 @assert(i32 %23)
%25 = tail call i64 (...) @test_create_doubly_linked_list_char()
%26 = icmp eq i64 %25, 0
%27 = zext i1 %26 to i32
%28 = tail call i32 @assert(i32 %27)
%29 = tail call i64 (...) @test_get_head_doubly_linked_list()
%30 = icmp eq i64 %29, 0
%31 = zext i1 %30 to i32
%32 = tail call i32 @assert(i32 %31)
%33 = tail call i64 (...) @test_get_tail_doubly_linked_list()
%34 = icmp eq i64 %33, 0
%35 = zext i1 %34 to i32
%36 = tail call i32 @assert(i32 %35)
%37 = tail call i64 (...) @test_get_element_at_doubly_linked_list()
%38 = icmp eq i64 %37, 0
%39 = zext i1 %38 to i32
%40 = tail call i32 @assert(i32 %39)
%41 = tail call i64 (...) @test_get_size_doubly_linked_list()
%42 = icmp eq i64 %41, 0
%43 = zext i1 %42 to i32
%44 = tail call i32 @assert(i32 %43)
%45 = tail call i64 (...) @test_is_equal_doubly_linked_list()
%46 = icmp eq i64 %45, 0
%47 = zext i1 %46 to i32
%48 = tail call i32 @assert(i32 %47)
%49 = tail call i64 (...) @test_shallow_copy_doubly_linked_list()
%50 = icmp eq i64 %49, 0
%51 = zext i1 %50 to i32
%52 = tail call i32 @assert(i32 %51)
%53 = tail call i64 (...) @test_prepend_doubly_linked_list()
%54 = icmp eq i64 %53, 0
%55 = zext i1 %54 to i32
%56 = tail call i32 @assert(i32 %55)
%57 = tail call i64 (...) @test_append_doubly_linked_list()
%58 = icmp eq i64 %57, 0
%59 = zext i1 %58 to i32
%60 = tail call i32 @assert(i32 %59)
%61 = tail call i64 (...) @test_remove_element_none_doubly_linked_list()
%62 = icmp eq i64 %61, 0
%63 = zext i1 %62 to i32
%64 = tail call i32 @assert(i32 %63)
%65 = tail call i64 (...) @test_remove_element_from_empty_doubly_linked_list()
%66 = icmp eq i64 %65, 0
%67 = zext i1 %66 to i32
%68 = tail call i32 @assert(i32 %67)
%69 = tail call i64 (...) @test_remove_element_head_doubly_linked_list()
%70 = icmp eq i64 %69, 0
%71 = zext i1 %70 to i32
%72 = tail call i32 @assert(i32 %71)
%73 = tail call i64 (...) @test_remove_element_middle_doubly_linked_list()
%74 = icmp eq i64 %73, 0
%75 = zext i1 %74 to i32
%76 = tail call i32 @assert(i32 %75)
%77 = tail call i64 (...) @test_remove_element_tail_doubly_linked_list()
%78 = icmp eq i64 %77, 0
%79 = zext i1 %78 to i32
%80 = tail call i32 @assert(i32 %79)
%81 = tail call i64 (...) @test_remove_element_at_doubly_linked_list_zero()
%82 = icmp eq i64 %81, 0
%83 = zext i1 %82 to i32
%84 = tail call i32 @assert(i32 %83)
%85 = tail call i64 (...) @test_remove_element_at_doubly_linked_list_one()
%86 = icmp eq i64 %85, 0
%87 = zext i1 %86 to i32
%88 = tail call i32 @assert(i32 %87)
%89 = tail call i64 (...) @test_remove_element_at_doubly_linked_list_two()
%90 = icmp eq i64 %89, 0
%91 = zext i1 %90 to i32
%92 = tail call i32 @assert(i32 %91)
%93 = tail call i64 (...) @test_remove_all_doubly_linked_list()
%94 = icmp eq i64 %93, 0
%95 = zext i1 %94 to i32
%96 = tail call i32 @assert(i32 %95)
ret i32 0
}