user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x90,%rsp
  mov    %edi,-0x84(%rbp)
  mov    %rsi,-0x90(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D39(%rip),%rax
  mov    %rax,-0x78(%rbp)
  movl   $0x0,-0x7c(%rbp)
  lea    -0x70(%rbp),%rdx
  mov    -0x7c(%rbp),%ecx
  mov    -0x78(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <getop@plt>
  mov    %eax,-0x7c(%rbp)
  mov    -0x7c(%rbp),%eax
  mov    %eax,%edi
  call   <assert@plt>
  lea    -0x70(%rbp),%rax
  lea    D30(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  lea    -0x70(%rbp),%rdx
  mov    -0x7c(%rbp),%ecx
  mov    -0x78(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <getop@plt>
  mov    %eax,-0x7c(%rbp)
  mov    -0x7c(%rbp),%eax
  mov    %eax,%edi
  call   <assert@plt>
  lea    -0x70(%rbp),%rax
  lea    D60(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  lea    -0x70(%rbp),%rdx
  mov    -0x7c(%rbp),%ecx
  mov    -0x78(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <getop@plt>
  mov    %eax,-0x7c(%rbp)
  mov    -0x7c(%rbp),%eax
  mov    %eax,%edi
  call   <assert@plt>
  lea    -0x70(%rbp),%rax
  lea    D24(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  lea    -0x70(%rbp),%rdx
  mov    -0x7c(%rbp),%ecx
  mov    -0x78(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <getop@plt>
  cmp    $0xffffffff,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  lea    D57(%rip),%rax
  mov    %rax,-0x78(%rbp)
  movl   $0x0,-0x7c(%rbp)
  lea    -0x70(%rbp),%rdx
  mov    -0x7c(%rbp),%ecx
  mov    -0x78(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <getop@plt>
  mov    %eax,-0x7c(%rbp)
  mov    -0x7c(%rbp),%eax
  mov    %eax,%edi
  call   <assert@plt>
  lea    -0x70(%rbp),%rax
  lea    D18(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  lea    -0x70(%rbp),%rdx
  mov    -0x7c(%rbp),%ecx
  mov    -0x78(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <getop@plt>
  mov    %eax,-0x7c(%rbp)
  mov    -0x7c(%rbp),%eax
  mov    %eax,%edi
  call   <assert@plt>
  lea    -0x70(%rbp),%rax
  lea    D75(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  lea    -0x70(%rbp),%rdx
  mov    -0x7c(%rbp),%ecx
  mov    -0x78(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <getop@plt>
  mov    %eax,-0x7c(%rbp)
  mov    -0x7c(%rbp),%eax
  mov    %eax,%edi
  call   <assert@plt>
  lea    -0x70(%rbp),%rax
  lea    D48(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  lea    -0x70(%rbp),%rdx
  mov    -0x7c(%rbp),%ecx
  mov    -0x78(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <getop@plt>
  cmp    $0xffffffff,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L6
  call   <__stack_chk_fail@plt>
L6:
  leave
  ret
```

tool_calls: name: read_data
arguments: data_label: D39
data_type: string
name: read_data
arguments: data_label: D30
data_type: string
name: read_data
arguments: data_label: D60
data_type: string
name: read_data
arguments: data_label: D24
data_type: string
name: read_data
arguments: data_label: D57
data_type: string
name: read_data
arguments: data_label: D18
data_type: string
name: read_data
arguments: data_label: D75
data_type: string
name: read_data
arguments: data_label: D48
data_type: string

tool: D39: 12.3 4.5 +


tool: D30: 12.3

tool: D60: 4.5

tool: D24: +

tool: D57:  a b c 


tool: D18: a

tool: D75: b

tool: D48: c

assistant: ```c
int main(int argc, char *argv[]) {
  char *s = "12.3 4.5 +\n";
  char t[100];
  int i = 0;
  assert(i = getop(s, i, t));
  assert(!strcmp(t, "12.3"));
  assert(i = getop(s, i, t));
  assert(!strcmp(t, "4.5"));
  assert(i = getop(s, i, t));
  assert(!strcmp(t, "+"));
  assert(getop(s, i, t) == -1);
  s = " a b c \n";
  i = 0;
  assert(i = getop(s, i, t));
  assert(!strcmp(t, "a"));
  assert(i = getop(s, i, t));
  assert(!strcmp(t, "b"));
  assert(i = getop(s, i, t));
  assert(!strcmp(t, "c"));
  assert(getop(s, i, t) == -1);
}
```