user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<ValidFloat>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movb   $0x0,-0x13(%rbp)
  movb   $0x0,-0x12(%rbp)
  movb   $0x1,-0x11(%rbp)
  movl   $0x0,-0xc(%rbp)
  movl   $0x0,-0x10(%rbp)
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  jne    L100
  addl   $0x1,-0xc(%rbp)
  jmp    L111
L100:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2b,%al
  jne    L111
  addl   $0x1,-0xc(%rbp)
  jmp    L111
L58:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  jne    L147
  cmpb   $0x0,-0x13(%rbp)
  jne    L98
  movb   $0x1,-0x13(%rbp)
  jmp    L273
L147:
  movb   $0x1,-0x12(%rbp)
L273:
  addl   $0x1,-0xc(%rbp)
L111:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jle    L84
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x39,%al
  jle    L58
L84:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  je     L58
  cmpb   $0x0,-0x12(%rbp)
  jne    L24
  mov    $0x0,%eax
  jmp    L120
L24:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x65,%al
  je     L243
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x45,%al
  jne    L107
L243:
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  lea    -0x10(%rbp),%rax
  mov    %rax,%rsi
  mov    %rdx,%rdi
  call   <ValidFloat>
  mov    %al,-0x11(%rbp)
  mov    -0x10(%rbp),%eax
  add    $0x1,%eax
  add    %eax,-0xc(%rbp)
  jmp    L107
L213:
  addl   $0x1,-0xc(%rbp)
L107:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L189
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  jle    L213
  jmp    L189
L98:
  nop
  jmp    L106
L189:
  nop
L106:
  cmpb   $0x0,-0x12(%rbp)
  je     L138
  cmpb   $0x0,-0x11(%rbp)
  jne    L130
L138:
  mov    $0x0,%eax
  jmp    L120
L130:
  cmpq   $0x0,-0x30(%rbp)
  jne    L69
  mov    $0x1,%eax
  jmp    L120
L69:
  mov    -0x30(%rbp),%rax
  mov    (%rax),%eax
  test   %eax,%eax
  js     L185
  mov    -0x30(%rbp),%rax
  mov    (%rax),%eax
  cmp    %eax,-0xc(%rbp)
  jge    L185
  mov    $0x0,%eax
  jmp    L120
L185:
  mov    -0x30(%rbp),%rax
  mov    -0xc(%rbp),%edx
  mov    %edx,(%rax)
  mov    $0x1,%eax
L120:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L265
  call   <__stack_chk_fail@plt>
L265:
  leave
  ret
```

assistant: ```c
int ValidFloat(const char *str, int *end) {
  unsigned char past_decimal_point = 0, had_number = 0, expvalid = 1;
  int pos = 0;
  int pos2 = 0;
  if (str[pos] == '-') {
    pos++;
  } else if (str[pos] == '+') {
    pos++;
  }
  while (((str[pos] >= '0') && (str[pos] <= '9')) || (str[pos] == '.')) {
    if (str[pos] == '.') {
      if (past_decimal_point)
        goto VALID_FLOAT_ENDED;
      else
        past_decimal_point = 1;
    } else {
      had_number = 1;
    }
    pos++;
  }
  if (!had_number)
    return 0;
  if ((str[pos] == 'e') || (str[pos] == 'E')) {
    expvalid = ValidFloat(str + pos + 1, &pos2);
    pos += pos2 + 1;
  }
  while ((str[pos] != '\0') && (str[pos] <= ' '))
    pos++;
VALID_FLOAT_ENDED:
  if ((!had_number) || (!expvalid))
    return 0;
  if (end == NULL)
    return 1;
  if ((*end >= 0) && (pos < *end))
    return 0;
  *end = pos;
  return 1;
}
```