user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<isfloat2>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  movl   $0x0,-0xc(%rbp)
  movl   $0x1,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L105
  mov    $0x0,%eax
  jmp    L253
L105:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2b,%al
  je     L13
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  jne    L179
L13:
  addl   $0x1,-0x4(%rbp)
  jmp    L179
L143:
  movl   $0x1,-0xc(%rbp)
  addl   $0x1,-0x4(%rbp)
L179:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jle    L241
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x39,%al
  jle    L143
L241:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  jne    L246
  addl   $0x1,-0x4(%rbp)
  jmp    L86
L255:
  movl   $0x1,-0xc(%rbp)
  addl   $0x1,-0x4(%rbp)
L86:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jle    L246
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x39,%al
  jle    L255
L246:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x65,%al
  je     L126
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x45,%al
  jne    L182
L126:
  movl   $0x0,-0x8(%rbp)
  addl   $0x1,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2b,%al
  je     L72
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  jne    L142
L72:
  addl   $0x1,-0x4(%rbp)
  jmp    L142
L118:
  movl   $0x1,-0x8(%rbp)
  addl   $0x1,-0x4(%rbp)
L142:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jle    L182
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x39,%al
  jle    L118
L182:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x66,%al
  je     L225
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x46,%al
  je     L225
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x6c,%al
  je     L225
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x4c,%al
  jne    L68
L225:
  addl   $0x1,-0x4(%rbp)
L68:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L135
  cmpl   $0x0,-0xc(%rbp)
  je     L135
  cmpl   $0x0,-0x8(%rbp)
  je     L135
  mov    $0x1,%eax
  jmp    L253
L135:
  mov    $0x0,%eax
L253:
  pop    %rbp
  ret
```

assistant: ```c
int isfloat2(char *c) {
  int isnum = 0, wfe = 1;
  int i = 0;
  if (strlen(c) == 0)
    return (0);
  if ((c[i] == '+') || (c[i] == '-'))
    i++;
  while ((c[i] >= '0') && (c[i] <= '9')) {
    isnum = 1;
    i++;
  }
  if (c[i] == '.') {
    i++;
    while ((c[i] >= '0') && (c[i] <= '9')) {
      isnum = 1;
      i++;
    }
  }
  if ((c[i] == 'e') || (c[i] == 'E')) {
    wfe = 0;
    i++;
    if ((c[i] == '+') || (c[i] == '-'))
      i++;
    while ((c[i] >= '0') && (c[i] <= '9')) {
      wfe = 1;
      i++;
    }
  }
  if ((c[i] == 'f') || (c[i] == 'F') || (c[i] == 'l') || (c[i] == 'L'))
    i++;
  if ((c[i] == '\0') && isnum && wfe)
    return (1);
  else
    return (0);
}
```