user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %edi,%ebx
  mov    0x8(%rsi),%rdi
  call   <readFile@plt>
  cmp    $0x3,%ebx
  je     L9
  lea    D14(%rip),%rdi
  call   <printf@plt>
  cmp    $0x3,%ebx
  jg     L4
L154:
  lea    D31(%rip),%rdi
  call   <printf@plt>
L112:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  ret
L4:
  lea    D21(%rip),%rdi
  call   <printf@plt>
  jmp    L154
L9:
  mov    0x8(%rbp),%rdi
  call   <existFile@plt>
  test   %rax,%rax
  je     L117
  mov    0x10(%rbp),%rdi
  call   <existFile@plt>
  test   %rax,%rax
  je     L117
  mov    0x8(%rbp),%rdi
  call   <isValidFilePath@plt>
  test   %rax,%rax
  jne    L18
L117:
  lea    D66(%rip),%rdi
  call   <printf@plt>
  jmp    L112
L18:
  mov    0x10(%rbp),%rdi
  call   <isValidFilePath@plt>
  test   %rax,%rax
  je     L117
  mov    0x8(%rbp),%rdi
  call   <isDNAFileExtension@plt>
  test   %rax,%rax
  je     L55
  mov    0x10(%rbp),%rdi
  call   <isDNAFileExtension@plt>
  test   %rax,%rax
  je     L55
  mov    0x8(%rbp),%r12
  mov    0x10(%rbp),%rsi
  mov    %r12,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L152
  lea    D72(%rip),%rdi
  call   <printf@plt>
  jmp    L112
L55:
  lea    D56(%rip),%rdi
  call   <printf@plt>
  jmp    L112
L152:
  mov    %r12,%rdi
  call   <readFile@plt>
  mov    0x10(%rbp),%rdi
  mov    %rax,%r12
  call   <readFile@plt>
  mov    %rax,%rbp
  test   %r12,%r12
  je     L42
  test   %rax,%rax
  je     L42
  mov    %r12,%rdi
  call   <isValidNucleotideContents@plt>
  test   %rax,%rax
  je     L63
  mov    %rbp,%rdi
  call   <isValidNucleotideContents@plt>
  test   %rax,%rax
  jne    L191
L63:
  lea    D65(%rip),%rdi
  call   <printf@plt>
L103:
  mov    %r12,%rdi
  call   <free@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  jmp    L112
L42:
  lea    D60(%rip),%rdi
  call   <printf@plt>
  jmp    L103
L191:
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <alignment@plt>
  jmp    L103
```

tool_calls: name: retrieve_data
arguments: tag: D14
type: string
name: retrieve_data
arguments: tag: D31
type: string
name: retrieve_data
arguments: tag: D21
type: string
name: retrieve_data
arguments: tag: D66
type: string
name: retrieve_data
arguments: tag: D72
type: string
name: retrieve_data
arguments: tag: D56
type: string
name: retrieve_data
arguments: tag: D65
type: string
name: retrieve_data
arguments: tag: D60
type: string

tool: D14: You need pass two arguments

tool: D31: .


tool: D21:  only

tool: D66: Invalid file path(s). Remember, the file paths can only contain alphanumerics characters, one dot and spaces.


tool: D72: please, select different files.


tool: D56: Invalid file(s) extension, the correctly extension is ".dna".


tool: D65: the file(s) contents is invalid.


tool: D60: error on file(s) reading.


assistant: ```c
int main(int argc, char **argv) {
  readFile(argv[1]);
  if (argc == 3) {
    if (existFile(argv[1]) && existFile(argv[2]) && isValidFilePath(argv[1]) && isValidFilePath(argv[2])) {
      if (isDNAFileExtension(argv[1]) && isDNAFileExtension(argv[2])) {
        if (!strcmp(argv[1], argv[2])) {
          printf("please, select different files.\n");
        } else {
          char *secuenceA = readFile(argv[1]);
          char *secuenceB = readFile(argv[2]);
          if (secuenceA && secuenceB) {
            if (isValidNucleotideContents(secuenceA) && isValidNucleotideContents(secuenceB)) {
              alignment(secuenceA, secuenceB);
            } else
              printf("the file(s) contents is invalid.\n");
          } else
            printf("error on file(s) reading.\n");
          free(secuenceA);
          free(secuenceB);
        }
      } else
        printf("Invalid file(s) extension, the correctly extension is \".dna\".\n");
    } else
      printf("Invalid file path(s). Remember, the file paths can only contain alphanumerics characters, one dot and spaces.\n");
  } else {
    printf("You need pass two arguments");
    if (argc > 3)
      printf(" only");
    printf(".\n");
  }
  return 0;
}
```