user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<main>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x68,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x58(%rsp)
  xor    %eax,%eax
  movq   $0x0,0x10(%rsp)
  movq   $0x0,0x18(%rsp)
  movq   $0x0,0x20(%rsp)
  movq   $0x0,0x28(%rsp)
  movq   $0x0,0x30(%rsp)
  movq   $0x0,0x38(%rsp)
  movq   $0x0,0x40(%rsp)
  movq   $0x0,0x48(%rsp)
  cmp    $0x1,%edi
  jg     L28
L17:
  mov    0x58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L10
  mov    $0x0,%eax
  add    $0x68,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L28:
  mov    0x8(%rsi),%r12
  mov    %r12,%rdi
  call   <strlen@plt>
  mov    %eax,%ebx
  lea    0xc(%rsp),%rcx
  lea    0x8(%rsp),%r13
  mov    %r13,%rdx
  mov    %eax,%esi
  mov    %r12,%rdi
  call   <read_float@plt>
  mov    %eax,%r9d
  mov    0xc(%rsp),%r8d
  mov    0x8(%rsp),%ecx
  mov    %ebx,%edx
  mov    %r12,%rsi
  lea    D32(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x10,%edx
  mov    0xc(%rsp),%esi
  mov    0x8(%rsp),%edi
  call   <float_to_fixed@plt>
  mov    %eax,%ebp
  mov    %eax,%r8d
  mov    $0x10,%ecx
  mov    0xc(%rsp),%edx
  mov    0x8(%rsp),%esi
  lea    D45(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %r13,%rdx
  mov    %ebp,%esi
  mov    $0x10,%edi
  call   <fixed_to_float@plt>
  mov    %eax,%r8d
  mov    %eax,0xc(%rsp)
  mov    0x8(%rsp),%ecx
  mov    %ebp,%edx
  mov    $0x10,%esi
  lea    D38(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    0x10(%rsp),%r13
  mov    0xc(%rsp),%ecx
  mov    0x8(%rsp),%edx
  mov    $0x3f,%esi
  mov    %r13,%rdi
  call   <show_float@plt>
  mov    %eax,%r9d
  mov    0xc(%rsp),%r8d
  mov    0x8(%rsp),%ecx
  mov    $0x3f,%edx
  mov    %r13,%rsi
  lea    D31(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x10,%edx
  mov    %ebx,%esi
  mov    %r12,%rdi
  call   <read_fixed@plt>
  mov    %eax,%ebp
  mov    %eax,%r8d
  mov    $0x10,%ecx
  mov    %ebx,%edx
  mov    %r12,%rsi
  lea    D26(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %ebp,%ecx
  mov    $0x10,%edx
  mov    $0x3f,%esi
  mov    %r13,%rdi
  call   <show_fixed@plt>
  mov    %eax,%r9d
  mov    %ebp,%r8d
  mov    $0x10,%ecx
  mov    $0x3f,%edx
  mov    %r13,%rsi
  lea    D13(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L17
L10:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D32
type_infered: string
name: read_data
arguments: data_label: D45
type_infered: string
name: read_data
arguments: data_label: D38
type_infered: string
name: read_data
arguments: data_label: D31
type_infered: string
name: read_data
arguments: data_label: D26
type_infered: string
name: read_data
arguments: data_label: D13
type_infered: string

tool: D32: read_float("%s", %d, %d, %d) = %d


tool: D45: float_to_fixed(%d, %d, %d) = %d


tool: D38: fixed_to_float(%d, %d, %d) = %d


tool: D31: show_float("%s", %d, %d, %d) = %d


tool: D26: read_fixed("%s", %d, %d) = %d


tool: D13: show_fixed("%s", %d, %d, %d) = %d


assistant: ```c
int main(int argc, char **argv) {
  char buf[64] = {0};
  if (argc >= 2) {
    int exponent, mantissa;
    char *arg = argv[1];
    int len = strlen(arg);
    int ret = read_float(arg, len, &exponent, &mantissa);
    printf("read_float(\"%s\", %d, %d, %d) = %d\n", arg, len, exponent, mantissa, ret);
    int fractional_bits = 16;
    int fixed = float_to_fixed(exponent, mantissa, fractional_bits);
    printf("float_to_fixed(%d, %d, %d) = %d\n", exponent, mantissa, fractional_bits, fixed);
    mantissa = fixed_to_float(fractional_bits, fixed, &exponent);
    printf("fixed_to_float(%d, %d, %d) = %d\n", fractional_bits, fixed, exponent, mantissa);
    ret = show_float(buf, sizeof buf - 1, exponent, mantissa);
    printf("show_float(\"%s\", %d, %d, %d) = %d\n", buf, (int)sizeof buf - 1, exponent, mantissa, ret);
    fixed = read_fixed(arg, len, fractional_bits);
    printf("read_fixed(\"%s\", %d, %d) = %d\n", arg, len, fractional_bits, fixed);
    ret = show_fixed(buf, sizeof buf - 1, fractional_bits, fixed);
    printf("show_fixed(\"%s\", %d, %d, %d) = %d\n", buf, (int)sizeof buf - 1, fractional_bits, fixed, ret);
  }
  return 0;
}
```