user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<atof>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x28,%rsp
  jmp    L87
  nopl   0x0(%rax)
L126:
  add    $0x1,%ebp
L87:
  movsbl (%rbx),%edi
  mov    %rbx,%r12
  add    $0x1,%rbx
  call   <isspace@plt>
  test   %rax,%rax
  jne    L126
  movsbl (%r12),%edi
  cmp    $0x2d,%dil
  je     L132
  mov    $0x1,%r14d
  movslq %ebp,%rbx
  cmp    $0x2b,%dil
  je     L85
L82:
  movq   $0x0,0x8(%rsp)
  add    %r13,%rbx
  sub    %ebx,%ebp
  jmp    L104
  nopl   0x0(%rax)
L108:
  movsbl -0x1(%rbx),%eax
  movsd  D56(%rip),%xmm0
  pxor   %xmm1,%xmm1
  mulsd  0x8(%rsp),%xmm0
  movsbl (%rbx),%edi
  sub    $0x30,%eax
  cvtsi2sd %eax,%xmm1
  addsd  %xmm0,%xmm1
  movsd  %xmm1,0x8(%rsp)
L104:
  call   <isdigit@plt>
  lea    0x0(%rbp,%rbx,1),%r12d
  mov    %rbx,%r15
  add    $0x1,%rbx
  test   %rax,%rax
  jne    L108
  movzbl (%r15),%eax
  mov    %eax,%edx
  and    $0xffffffdf,%edx
  cmp    $0x45,%dl
  jne    L210
  lea    0x1(%r12),%ebx
  movslq %ebx,%rdx
  movsbl 0x0(%r13,%rdx,1),%edi
  cmp    $0x2d,%dil
  je     L149
  movl   $0x1,0x18(%rsp)
  cmp    $0x2b,%dil
  je     L57
L59:
  movq   $0x0,0x10(%rsp)
  lea    0x0(%r13,%rdx,1),%r15
  sub    %r15d,%ebx
  jmp    L46
  nop
L72:
  movsbl -0x1(%r15),%eax
  movsd  D56(%rip),%xmm0
  pxor   %xmm1,%xmm1
  mulsd  0x10(%rsp),%xmm0
  movsbl (%r15),%edi
  sub    $0x30,%eax
  cvtsi2sd %eax,%xmm1
  addsd  %xmm0,%xmm1
  movsd  %xmm1,0x10(%rsp)
L46:
  call   <isdigit@plt>
  lea    (%rbx,%r15,1),%r12d
  mov    %r15,%rbp
  add    $0x1,%r15
  test   %rax,%rax
  jne    L72
  movsd  D88(%rip),%xmm6
  movzbl 0x0(%rbp),%eax
  pxor   %xmm1,%xmm1
  cvtsi2sdl 0x18(%rsp),%xmm1
  mulsd  0x10(%rsp),%xmm1
  movsd  %xmm6,0x18(%rsp)
  cmp    $0x2e,%al
  je     L170
L75:
  and    $0xffffffdf,%eax
  cmp    $0x45,%al
  jne    L243
  lea    0x1(%r12),%ebx
  movslq %ebx,%rbx
  movsbl 0x0(%r13,%rbx,1),%edi
  cmp    $0x2d,%dil
  je     L40
  mov    $0x1,%ebp
  cmp    $0x2b,%dil
  je     L218
L137:
  movq   $0x0,0x10(%rsp)
  add    %r13,%rbx
  jmp    L190
  nopl   0x0(%rax,%rax,1)
L73:
  movsbl -0x1(%rbx),%eax
  movsd  D56(%rip),%xmm0
  pxor   %xmm1,%xmm1
  mulsd  0x10(%rsp),%xmm0
  movsbl (%rbx),%edi
  sub    $0x30,%eax
  cvtsi2sd %eax,%xmm1
  addsd  %xmm0,%xmm1
  movsd  %xmm1,0x10(%rsp)
L190:
  call   <isdigit@plt>
  add    $0x1,%rbx
  test   %rax,%rax
  jne    L73
  pxor   %xmm1,%xmm1
  cvtsi2sd %ebp,%xmm1
  mulsd  0x10(%rsp),%xmm1
  jmp    L243
  nopl   0x0(%rax,%rax,1)
L132:
  mov    $0xffffffff,%r14d
L85:
  add    $0x1,%ebp
  movslq %ebp,%rbx
  movsbl 0x0(%r13,%rbx,1),%edi
  jmp    L82
  nopw   0x0(%rax,%rax,1)
L210:
  cmp    $0x2e,%al
  je     L198
  movsd  D88(%rip),%xmm5
  pxor   %xmm1,%xmm1
  movsd  %xmm5,0x18(%rsp)
L243:
  mov    D56(%rip),%rax
  pxor   %xmm0,%xmm0
  cvtsi2sd %r14d,%xmm0
  mulsd  0x8(%rsp),%xmm0
  divsd  0x18(%rsp),%xmm0
  movsd  %xmm0,0x8(%rsp)
  movq   %rax,%xmm0
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  mulsd  0x8(%rsp),%xmm0
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nop
L198:
  pxor   %xmm1,%xmm1
L170:
  lea    0x1(%r12),%ebp
  movsd  D88(%rip),%xmm7
  movslq %ebp,%rbx
  add    %r13,%rbx
  movsd  %xmm7,0x18(%rsp)
  sub    %ebx,%ebp
  jmp    L163
  nopl   0x0(%rax)
L208:
  movsbl (%rbx),%eax
  pxor   %xmm2,%xmm2
  add    $0x1,%rbx
  movsd  D56(%rip),%xmm0
  mulsd  0x8(%rsp),%xmm0
  movsd  D56(%rip),%xmm4
  mulsd  0x18(%rsp),%xmm4
  sub    $0x30,%eax
  cvtsi2sd %eax,%xmm2
  addsd  %xmm0,%xmm2
  movsd  %xmm4,0x18(%rsp)
  movsd  %xmm2,0x8(%rsp)
L163:
  movsbl (%rbx),%edi
  movsd  %xmm1,0x10(%rsp)
  lea    0x0(%rbp,%rbx,1),%r12d
  call   <isdigit@plt>
  movsd  0x10(%rsp),%xmm1
  test   %rax,%rax
  jne    L208
  movzbl (%rbx),%eax
  jmp    L75
  nopl   0x0(%rax)
L149:
  movl   $0xffffffff,0x18(%rsp)
L57:
  lea    0x2(%r12),%ebx
  movslq %ebx,%rdx
  movsbl 0x0(%r13,%rdx,1),%edi
  jmp    L59
  nopl   0x0(%rax,%rax,1)
L40:
  mov    $0xffffffff,%ebp
L218:
  lea    0x2(%r12),%ebx
  movslq %ebx,%rbx
  movsbl 0x0(%r13,%rbx,1),%edi
  jmp    L137
```

tool_calls: name: parse_data
arguments: tag: D56
data_type: f64
name: parse_data
arguments: tag: D88
data_type: f64

tool: D56: 10

tool: D88: 1

assistant: ```c
double atof(char s[]) {
  double value = 0.0;
  double fractional_power = 1.0;
  int sign = 1;
  int str_index = 0;
  double power_of_ten = 0.0;
  for (str_index = 0; isspace(s[str_index]); ++str_index) {
  }
  sign = (s[str_index] == '-' ? -1 : 1);
  if (s[str_index] == '-' || s[str_index] == '+') {
    ++str_index;
  }
  for (value = 0.0; isdigit(s[str_index]); ++str_index) {
    value = value * 10.0 + (s[str_index] - '0');
  }
  if (s[str_index] == 'e' || s[str_index] == 'E') {
    ++str_index;
    int power_of_ten_sign = (s[str_index] == '-' ? -1 : 1);
    if (s[str_index] == '+' || s[str_index] == '-') {
      ++str_index;
    }
    for (power_of_ten = 0.0; isdigit(s[str_index]); ++str_index) {
      power_of_ten = power_of_ten * 10.0 + (s[str_index] - '0');
    }
    power_of_ten *= power_of_ten_sign;
  }
  if (s[str_index] == '.') {
    ++str_index;
    for (fractional_power = 1.0; isdigit(s[str_index]); ++str_index) {
      value = value * 10.0 + (s[str_index] - '0');
      fractional_power *= 10.0;
    }
  }
  if (s[str_index] == 'e' || s[str_index] == 'E') {
    ++str_index;
    int power_of_ten_sign = (s[str_index] == '-' ? -1 : 1);
    if (s[str_index] == '+' || s[str_index] == '-') {
      ++str_index;
    }
    for (power_of_ten = 0.0; isdigit(s[str_index]); ++str_index) {
      power_of_ten = power_of_ten * 10.0 + (s[str_index] - '0');
    }
    power_of_ten *= power_of_ten_sign;
  }
  return (sign * value / fractional_power) * pow(10.0, power_of_ten);
}
```