user: 这段汇编代码用C语言表示是什么样的：

```asm
<RSA_padding_check_PKCS1_type_1>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %ecx,-0x20(%rbp)
  mov    %r8d,-0x2c(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x20(%rbp),%eax
  add    $0x1,%eax
  cmp    %eax,-0x2c(%rbp)
  jne    L126
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movzbl (%rax),%eax
  cmp    $0x1,%al
  je     L146
L126:
  mov    D83(%rip),%rax
  mov    (%rax),%edx
  mov    D20(%rip),%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <RSAerr@plt>
  mov    $0xffffffff,%eax
  jmp    L78
L146:
  mov    -0x20(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0xc(%rbp)
  movl   $0x0,-0x10(%rbp)
  jmp    L15
L91:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xff,%al
  je     L141
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L8
  addq   $0x1,-0x8(%rbp)
  jmp    L64
L8:
  mov    D65(%rip),%rax
  mov    (%rax),%edx
  mov    D20(%rip),%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <RSAerr@plt>
  mov    $0xffffffff,%eax
  jmp    L78
L141:
  addq   $0x1,-0x8(%rbp)
  addl   $0x1,-0x10(%rbp)
L15:
  mov    -0x10(%rbp),%eax
  cmp    -0xc(%rbp),%eax
  jl     L91
L64:
  mov    -0x10(%rbp),%eax
  cmp    -0xc(%rbp),%eax
  jne    L31
  mov    D50(%rip),%rax
  mov    (%rax),%edx
  mov    D20(%rip),%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <RSAerr@plt>
  mov    $0xffffffff,%eax
  jmp    L78
L31:
  cmpl   $0x7,-0x10(%rbp)
  jg     L10
  mov    D35(%rip),%rax
  mov    (%rax),%edx
  mov    D20(%rip),%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <RSAerr@plt>
  mov    $0xffffffff,%eax
  jmp    L78
L10:
  addl   $0x1,-0x10(%rbp)
  mov    -0x10(%rbp),%eax
  sub    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jle    L94
  mov    D3(%rip),%rax
  mov    (%rax),%edx
  mov    D20(%rip),%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <RSAerr@plt>
  mov    $0xffffffff,%eax
  jmp    L78
L94:
  mov    -0xc(%rbp),%edx
  mov    -0x8(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0xc(%rbp),%eax
L78:
  leave
  ret
```

assistant: ```c
int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen, const unsigned char *from, int flen, int num) {
  int i, j;
  const unsigned char *p;
  p = from;
  if ((num != (flen + 1)) || (*(p++) != 01)) {
    RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1, RSA_R_BLOCK_TYPE_IS_NOT_01);
    return (-1);
  }
  j = flen - 1;
  for (i = 0; i < j; i++) {
    if (*p != 0xff) {
      if (*p == 0) {
        p++;
        break;
      } else {
        RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1, RSA_R_BAD_FIXED_HEADER_DECRYPT);
        return (-1);
      }
    }
    p++;
  }
  if (i == j) {
    RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1, RSA_R_NULL_BEFORE_BLOCK_MISSING);
    return (-1);
  }
  if (i < 8) {
    RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1, RSA_R_BAD_PAD_BYTE_COUNT);
    return (-1);
  }
  i++;
  j -= i;
  if (j > tlen) {
    RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1, RSA_R_DATA_TOO_LARGE);
    return (-1);
  }
  memcpy(to, p, (unsigned int)j);
  return (j);
}
```