user: What would the C source look like for the assembly code provided here:

```asm
<libc_stof>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  movl   $0x0,-0x20(%rbp)
  pxor   %xmm0,%xmm0
  movss  %xmm0,-0x10(%rbp)
  pxor   %xmm0,%xmm0
  movss  %xmm0,-0x1c(%rbp)
  pxor   %xmm0,%xmm0
  movss  %xmm0,-0x18(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  jne    L41
  movss  D8(%rip),%xmm0
  jmp    L35
L41:
  movss  D24(%rip),%xmm0
L35:
  movss  %xmm0,-0x10(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <libc_strlen@plt>
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  mov    %eax,-0x14(%rbp)
  jmp    L31
L9:
  mov    -0x20(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  jne    L78
  addl   $0x1,-0x20(%rbp)
L78:
  pxor   %xmm1,%xmm1
  cvtss2sd -0x1c(%rbp),%xmm1
  movsd  D19(%rip),%xmm0
  mulsd  %xmm0,%xmm1
  mov    -0x20(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x30,%eax
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  addsd  %xmm1,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,-0x1c(%rbp)
  addl   $0x1,-0x20(%rbp)
L31:
  mov    -0x20(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  jne    L9
  subl   $0x1,-0x14(%rbp)
  jmp    L19
L62:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  jne    L39
  pxor   %xmm1,%xmm1
  cvtss2sd -0x18(%rbp),%xmm1
  movsd  D37(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  mov    -0x14(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x30,%eax
  pxor   %xmm1,%xmm1
  cvtsi2sd %eax,%xmm1
  subsd  %xmm1,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,-0x18(%rbp)
  jmp    L66
L39:
  pxor   %xmm1,%xmm1
  cvtss2sd -0x18(%rbp),%xmm1
  movsd  D37(%rip),%xmm0
  mulsd  %xmm0,%xmm1
  mov    -0x14(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x30,%eax
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  addsd  %xmm1,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,-0x18(%rbp)
L66:
  subl   $0x1,-0x14(%rbp)
L19:
  mov    -0x14(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  jne    L62
  pxor   %xmm1,%xmm1
  cvtss2sd -0x18(%rbp),%xmm1
  movsd  D37(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,-0x18(%rbp)
  movss  -0x10(%rbp),%xmm0
  mulss  -0x1c(%rbp),%xmm0
  addss  -0x18(%rbp),%xmm0
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_label: D8
type: byte[4]
name: parse_data
arguments: data_label: D24
type: f32
name: parse_data
arguments: data_label: D19
type: f64
name: parse_data
arguments: data_label: D37
type: byte[8]

tool: {"D8": [0x00,0x00,0x80,0xbf]}

tool: D24: 1

tool: D19: 10

tool: {"D37": [0x9a,0x99,0x99,0x99,0x99,0x99,0xb9,0x3f]}

assistant: ```c
float libc_stof(char *s) {
  int i = 0;
  float sign = 0, is = 0, si = 0;
  char *sdt = s;
  sign = (s[0] == '-') ? -1.0 : 1.0;
  int len = libc_strlen(s);
  int k = len;
  while (s[i] != '.') {
    if (sdt[i] == '-') {
      i++;
    }
    is = is * 10. + (sdt[i] - '0');
    i++;
  }
  k--;
  while (s[k] != '.') {
    if (s[0] == '-') {
      si = si * .1 - (sdt[k] - '0');
    } else {
      si = si * .1 + (sdt[k] - '0');
    }
    k--;
  }
  si = si * .1;
  return sign * is + si;
}
```