user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x24(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x30(%rbp),%rcx
  mov    -0x24(%rbp),%eax
  lea    D47(%rip),%rdx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <has_arg@plt>
  test   %rax,%rax
  jne    L0
  mov    -0x30(%rbp),%rcx
  mov    -0x24(%rbp),%eax
  lea    D27(%rip),%rdx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <has_arg@plt>
  test   %rax,%rax
  je     L82
L0:
  lea    D3(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    D39(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    D65(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    D43(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    D66(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  mov    $0x1,%eax
  jmp    L62
L82:
  mov    -0x30(%rbp),%rdx
  mov    -0x24(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <bu_handle_version@plt>
  test   %rax,%rax
  je     L40
  mov    $0x0,%eax
  jmp    L62
L40:
  cmpl   $0x3,-0x24(%rbp)
  jle    L46
  mov    -0x30(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <bu_extra_argument@plt>
  mov    $0x1,%eax
  jmp    L62
L46:
  movl   $0x0,-0x18(%rbp)
  movl   $0x0,-0x14(%rbp)
  cmpl   $0x3,-0x24(%rbp)
  jne    L31
  mov    -0x30(%rbp),%rax
  add    $0x10,%rax
  mov    (%rax),%rax
  mov    $0xa,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <strtol@plt>
  mov    %eax,-0x18(%rbp)
  mov    -0x30(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  mov    $0xa,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <strtol@plt>
  mov    %eax,-0x14(%rbp)
L31:
  cmpl   $0x2,-0x24(%rbp)
  jne    L139
  mov    -0x30(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  mov    $0xa,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <strtol@plt>
  mov    %eax,-0x18(%rbp)
L139:
  cmpl   $0x0,-0x18(%rbp)
  jne    L23
  cmpl   $0x0,-0x14(%rbp)
  jne    L23
  mov    $0x0,%edi
  call   <time@plt>
  mov    %eax,-0x1c(%rbp)
  lea    -0x1c(%rbp),%rax
  mov    %rax,%rdi
  call   <localtime@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  mov    (%rax),%eax
  add    $0x1,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x10(%rbp),%rax
  mov    0x4(%rax),%eax
  add    $0x76c,%eax
  mov    %eax,-0x18(%rbp)
L23:
  cmpl   $0x0,-0x14(%rbp)
  je     L92
  mov    -0x14(%rbp),%edx
  mov    -0x18(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <print_month@plt>
  jmp    L10
L92:
  mov    -0x18(%rbp),%eax
  mov    %eax,%edi
  call   <print_year@plt>
L10:
  mov    $0x0,%eax
L62:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L132
  call   <__stack_chk_fail@plt>
L132:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: tag: D47
data_type: string
name: disassemble_data
arguments: tag: D27
data_type: string
name: disassemble_data
arguments: tag: D3
data_type: string
name: disassemble_data
arguments: tag: D39
data_type: string
name: disassemble_data
arguments: tag: D65
data_type: string
name: disassemble_data
arguments: tag: D43
data_type: string
name: disassemble_data
arguments: tag: D66
data_type: string

tool: D47: -h

tool: D27: --help

tool: D3: Usage: cal [[MONTH] YEAR]

tool: D39: Prints a calendar for the specified timeframe.


tool: D65: If MONTH and YEAR are provided, prints the calendar for the specified month.

tool: D43: If only YEAR is provided, prints the calendar for all of YEAR.

tool: D66: Otherwise, prints the calendar for the current month and year.

assistant: ```c
int main(int argc, char **argv) {
  if (has_arg(argc, argv, "-h") || has_arg(argc, argv, "--help")) {
    puts("Usage: cal [[MONTH] YEAR]");
    puts("Prints a calendar for the specified timeframe.\n");
    puts("If MONTH and YEAR are provided, prints the calendar for the specified month.");
    puts("If only YEAR is provided, prints the calendar for all of YEAR.");
    puts("Otherwise, prints the calendar for the current month and year.");
    return 1;
  }
  if (bu_handle_version(argc, argv)) {
    return 0;
  }
  if (argc > 3) {
    bu_extra_argument(argv[0]);
    return 1;
  }
  int year = 0;
  int month = 0;
  if (argc == 3) {
    year = (int)strtol(argv[2], (char **)NULL, 10);
    month = (int)strtol(argv[1], (char **)NULL, 10);
  }
  if (argc == 2) {
    year = (int)strtol(argv[1], (char **)NULL, 10);
  }
  if (year == 0 && month == 0) {
    time_t current_time = time(NULL);
    struct tm *ltime = localtime(&current_time);
    month = ltime->tm_mon + 1;
    year = ltime->tm_year + 1900;
  }
  if (month) {
    print_month(year, month);
  } else {
    print_year(year);
  }
  return 0;
}
```