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

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    $0x1,%edx
  mov    $0xd,%esi
  mov    $0x7df,%edi
  call   <day_of_year@plt>
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  mov    %eax,%esi
  lea    D46(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x20,%edx
  mov    $0x1,%esi
  mov    $0x7df,%edi
  call   <day_of_year@plt>
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  mov    %eax,%esi
  lea    D58(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x10(%rbp),%rdx
  lea    -0x14(%rbp),%rax
  mov    %rdx,%rcx
  mov    %rax,%rdx
  mov    $0x172,%esi
  mov    $0x7df,%edi
  call   <month_day@plt>
  mov    -0x14(%rbp),%edx
  mov    -0x10(%rbp),%eax
  mov    %eax,%esi
  lea    D14(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x1,%edx
  mov    $0x1,%esi
  mov    $0x7bd,%edi
  call   <day_of_year@plt>
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  mov    %eax,%esi
  lea    D28(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x1f,%edx
  mov    $0xc,%esi
  mov    $0x7df,%edi
  call   <day_of_year@plt>
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  mov    %eax,%esi
  lea    D11(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x10(%rbp),%rdx
  lea    -0x14(%rbp),%rax
  mov    %rdx,%rcx
  mov    %rax,%rdx
  mov    $0x5a,%esi
  mov    $0x7df,%edi
  call   <month_day@plt>
  mov    -0x14(%rbp),%edx
  mov    -0x10(%rbp),%eax
  mov    %eax,%esi
  lea    D13(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L0
  call   <__stack_chk_fail@plt>
L0:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D46
datatype: string
name: disassemble_data
arguments: data_label: D58
datatype: string
name: disassemble_data
arguments: data_label: D14
datatype: string
name: disassemble_data
arguments: data_label: D28
datatype: string
name: disassemble_data
arguments: data_label: D11
datatype: string
name: disassemble_data
arguments: data_label: D13
datatype: string

tool: D46: 13th month exists? %d


tool: D58: 32nd day exists? %d


tool: D14: 370th yearday exists? day = %d, month = %d


tool: D28: 1st day of 1st month exists? %d


tool: D11: 31st of 12th month exists? %d


tool: D13: 90th day of year exists? day = %d, month = %d


assistant: ```c
int main() {
  int month, day, yearday, ret;
  ret = day_of_year(2015, 13, 1);
  printf("13th month exists? %d\n", ret);
  ret = day_of_year(2015, 1, 32);
  printf("32nd day exists? %d\n", ret);
  month_day(2015, 370, &month, &day);
  printf("370th yearday exists? day = %d, month = %d\n", day, month);
  ret = day_of_year(1981, 1, 1);
  printf("1st day of 1st month exists? %d\n", ret);
  ret = day_of_year(2015, 12, 31);
  printf("31st of 12th month exists? %d\n", ret);
  month_day(2015, 90, &month, &day);
  printf("90th day of year exists? day = %d, month = %d\n", day, month);
  return 0;
}
```