user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<parse_ram_timings>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x40(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x10(%rbp),%rax
  lea    0x18(%rax),%r8
  mov    -0x10(%rbp),%rax
  lea    0x14(%rax),%rdi
  mov    -0x10(%rbp),%rax
  lea    0x10(%rax),%rsi
  mov    -0x10(%rbp),%rax
  lea    0xc(%rax),%r9
  mov    -0x10(%rbp),%rax
  lea    0x8(%rax),%r10
  mov    -0x10(%rbp),%rax
  lea    0x4(%rax),%rcx
  lea    -0x24(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  sub    $0x8,%rsp
  push   %r8
  push   %rdi
  push   %rsi
  mov    %r10,%r8
  lea    D65(%rip),%rsi
  mov    %rax,%rdi
  call   <sscanf@plt>
  add    $0x20,%rsp
  mov    %eax,-0x1c(%rbp)
  cmpl   $0x7,-0x1c(%rbp)
  je     L106
  mov    $0xffffffff,%eax
  jmp    L151
L106:
  movss  -0x24(%rbp),%xmm0
  ucomiss D38(%rip),%xmm0
  jp     L45
  ucomiss D38(%rip),%xmm0
  jne    L45
  mov    -0x10(%rbp),%rax
  movl   $0x1,(%rax)
  jmp    L10
L45:
  movss  -0x24(%rbp),%xmm0
  ucomiss D51(%rip),%xmm0
  jp     L179
  ucomiss D51(%rip),%xmm0
  jne    L179
  mov    -0x10(%rbp),%rax
  movl   $0x2,(%rax)
  jmp    L10
L179:
  movss  -0x24(%rbp),%xmm0
  ucomiss D45(%rip),%xmm0
  jp     L186
  ucomiss D45(%rip),%xmm0
  jne    L186
  mov    -0x10(%rbp),%rax
  movl   $0x3,(%rax)
  jmp    L10
L186:
  mov    $0xffffffff,%eax
  jmp    L151
L10:
  movl   $0x0,-0x20(%rbp)
  jmp    L96
L56:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2c,%al
  jne    L71
  addl   $0x1,-0x20(%rbp)
L71:
  addq   $0x1,-0x18(%rbp)
L96:
  cmpl   $0x5,-0x20(%rbp)
  jg     L44
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L56
L44:
  cmpl   $0x6,-0x20(%rbp)
  je     L67
  mov    $0xffffffff,%eax
  jmp    L151
L70:
  addq   $0x1,-0x18(%rbp)
L67:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jle    L102
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x39,%al
  jle    L70
L102:
  mov    -0x18(%rbp),%rax
  sub    -0x38(%rbp),%rax
L151:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L4
  call   <__stack_chk_fail@plt>
L4:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D65
data_type: string
name: retrieve_data
arguments: data_label: D38
data_type: byte[4]
name: retrieve_data
arguments: data_label: D51
data_type: f32
name: retrieve_data
arguments: data_label: D45
data_type: byte[4]

tool: D65: %f,%d,%d,%d,%d,%d,%d

tool: {"D38": [0x00,0x00,0x00,0x40]}

tool: D51: 2.5

tool: {"D45": [0x00,0x00,0x40,0x40]}

assistant: ```c
int parse_ram_timings(const char *str, void *data) {
  int *ram_timings = data;
  const char *p = str;
  int ret, c;
  float cas;
  ret = sscanf(p, "%f,%d,%d,%d,%d,%d,%d", &cas, &ram_timings[1], &ram_timings[2], &ram_timings[3], &ram_timings[4], &ram_timings[5], &ram_timings[6]);
  if (ret != 7)
    return -1;
  if (cas == 2)
    ram_timings[0] = 1;
  else if (cas == 2.5)
    ram_timings[0] = 2;
  else if (cas == 3)
    ram_timings[0] = 3;
  else
    return -1;
  for (c = 0; c < 6 && *p != 0; p++)
    if (*p == ',')
      c++;
  if (c != 6)
    return -1;
  while ('0' <= *p && *p <= '9')
    p++;
  return p - str;
}
```