user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<rewrite_align>:
  endbr64
  push   %r13
  lea    D8(%rip),%r13
  push   %r12
  mov    %rdi,%r12
  mov    %r13,%rdi
  push   %rbp
  mov    %rsi,%rbp
  call   <fsm_symbol@plt>
  mov    %eax,%edi
  call   <fsm_kleene_star@plt>
  mov    %r12,%rdi
  mov    %eax,%esi
  call   <fsm_concat@plt>
  mov    $0x2,%ecx
  mov    $0x1,%edx
  mov    $0x1,%esi
  mov    %eax,%edi
  call   <rewrite_tape_m_to_n_of_k@plt>
  mov    %rax,%rdi
  call   <fsm_minimize@plt>
  mov    %r13,%rdi
  mov    %rax,%r12
  call   <fsm_symbol@plt>
  mov    %eax,%edi
  call   <fsm_kleene_star@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  call   <fsm_concat@plt>
  mov    $0x2,%ecx
  mov    $0x2,%edx
  mov    $0x2,%esi
  mov    %eax,%edi
  call   <rewrite_tape_m_to_n_of_k@plt>
  mov    %rax,%rdi
  call   <fsm_minimize@plt>
  xor    %edx,%edx
  xor    %esi,%esi
  lea    D41(%rip),%rdi
  mov    %rax,%r13
  call   <fsm_parse_regex@plt>
  mov    %rax,%rdi
  call   <fsm_minimize@plt>
  mov    %r13,%rsi
  mov    %r12,%rdi
  lea    D4(%rip),%r13
  mov    %rax,%rbp
  lea    D35(%rip),%r12
  call   <fsm_intersect@plt>
  mov    %rbp,%rdi
  mov    %rax,%rsi
  call   <fsm_intersect@plt>
  mov    %rax,%rdi
  call   <fsm_minimize@plt>
  mov    %r12,%rdx
  mov    %r13,%rsi
  mov    %rax,%rdi
  call   <fsm_substitute_symbol@plt>
  mov    %rax,%rdi
  call   <fsm_minimize@plt>
  xor    %edx,%edx
  xor    %esi,%esi
  lea    D47(%rip),%rdi
  mov    %rax,%rbp
  call   <fsm_parse_regex@plt>
  mov    %rbp,%rdi
  mov    %rax,%rsi
  call   <fsm_compose@plt>
  mov    %eax,%edi
  call   <fsm_lower@plt>
  mov    %rax,%rdi
  call   <fsm_minimize@plt>
  mov    %r13,%rdx
  mov    %r12,%rsi
  mov    %rax,%rdi
  call   <fsm_substitute_symbol@plt>
  pop    %rbp
  pop    %r12
  mov    %rax,%rdi
  pop    %r13
  jmp    1110 <fsm_minimize@plt>
```

tool_calls: name: extract_symbolic_data
arguments: label: D8
type_infered: string
name: extract_symbolic_data
arguments: label: D41
type_infered: string
name: extract_symbolic_data
arguments: label: D4
type_infered: string
name: extract_symbolic_data
arguments: label: D35
type_infered: string
name: extract_symbolic_data
arguments: label: D47
type_infered: string

tool: D8: @0@

tool: D41: ~[[? ?]* "@0@" "@0@" [? ?]*]

tool: D4: @_IDENTITY_SYMBOL_@

tool: D35: @UNK@

tool: D47: [? ? | "@UNK@" "@UNK@":"@ID@" ]*

assistant: ```c
struct fsm *rewrite_align(struct fsm *upper, struct fsm *lower) {
  struct fsm *first, *second, *third, *align, *align2;
  first = fsm_minimize(rewrite_tape_m_to_n_of_k(fsm_concat(upper, fsm_kleene_star(fsm_symbol("@0@"))), 1, 1, 2));
  second = fsm_minimize(rewrite_tape_m_to_n_of_k(fsm_concat(lower, fsm_kleene_star(fsm_symbol("@0@"))), 2, 2, 2));
  third = fsm_minimize(fsm_parse_regex("~[[? ?]* \"@0@\" \"@0@\" [? ?]*]", NULL, NULL));
  align = fsm_minimize(fsm_intersect(third, fsm_intersect(first, second)));
  align = fsm_minimize(fsm_substitute_symbol(align, "@_IDENTITY_SYMBOL_@", "@UNK@"));
  align2 = fsm_minimize(fsm_lower(fsm_compose(align, fsm_parse_regex("[? ? | \"@UNK@\" \"@UNK@\":\"@ID@\" ]*", NULL, NULL))));
  align2 = fsm_minimize(fsm_substitute_symbol(align2, "@UNK@", "@_IDENTITY_SYMBOL_@"));
  return align2;
}
```