user: Demonstrate the C code that generates the assembly output below:

```asm
<drawcal>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xf8,%rsp
  mov    %esi,0x2c(%rsp)
  mov    %rdx,0x8(%rsp)
  mov    %rcx,0x10(%rsp)
  mov    %r8d,0x38(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0xe8(%rsp)
  lea    D153(%rip),%rax
  mov    %rax,0x80(%rsp)
  lea    D151(%rip),%rax
  mov    %rax,0x88(%rsp)
  lea    D110(%rip),%rax
  mov    %rax,0x90(%rsp)
  lea    D129(%rip),%rax
  mov    %rax,0x98(%rsp)
  lea    D81(%rip),%rax
  mov    %rax,0xa0(%rsp)
  lea    D88(%rip),%rax
  mov    %rax,0xa8(%rsp)
  lea    D135(%rip),%rax
  mov    %rax,0xb0(%rsp)
  lea    D63(%rip),%rax
  mov    %rax,0xb8(%rsp)
  lea    D20(%rip),%rax
  mov    %rax,0xc0(%rsp)
  lea    D13(%rip),%rax
  mov    %rax,0xc8(%rsp)
  lea    D136(%rip),%rax
  mov    %rax,0xd0(%rsp)
  lea    D54(%rip),%rax
  mov    %rax,0xd8(%rsp)
  lea    D18(%rip),%rax
  mov    %rax,0x40(%rsp)
  lea    D31(%rip),%rax
  mov    %rax,0x48(%rsp)
  lea    D197(%rip),%rax
  mov    %rax,0x50(%rsp)
  lea    D130(%rip),%rax
  mov    %rax,0x58(%rsp)
  lea    D37(%rip),%rax
  mov    %rax,0x60(%rsp)
  lea    D23(%rip),%rax
  mov    %rax,0x68(%rsp)
  lea    D123(%rip),%rax
  mov    %rax,0x70(%rsp)
  test   %rcx,%rcx
  je     L8
  movq   $0x0,0x20(%rsp)
  test   %rdx,%rdx
  lea    D210(%rip),%r15
  mov    %rdi,%r12
  setne  0x3f(%rsp)
  nopl   (%rax)
L126:
  mov    0x20(%rsp),%rcx
  cmp    %rcx,0x10(%rsp)
  seta   %al
  and    0x3f(%rsp),%al
  mov    %al,0x3e(%rsp)
  je     L87
  movslq 0x2c(%rsp),%rbx
  mov    0x20(%rsp),%r14
  xor    %r13d,%r13d
  mov    0x10(%rsp),%rbp
  jmp    L148
  nopw   0x0(%rax,%rax,1)
L43:
  cmp    %r13,0x8(%rsp)
  jbe    L42
L148:
  movabs $0xaaaaaaaaaaaaaaab,%rax
  mul    %r14
  mov    %r14,%rax
  shr    $0x3,%rdx
  lea    (%rdx,%r12,1),%r9
  lea    (%rdx,%rdx,2),%rdx
  shl    $0x2,%rdx
  sub    %rdx,%rax
  add    %rbx,%rax
  cmp    $0xb,%rax
  jbe    L67
  sub    $0xc,%rax
  add    $0x1,%r9
L67:
  mov    0x80(%rsp,%rax,8),%rsi
  mov    %r9,%rdx
  lea    D103(%rip),%rdi
  xor    %eax,%eax
  add    $0x1,%r14
  add    $0x1,%r13
  call   <printf@plt>
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  cmp    %r14,%rbp
  ja     L43
L42:
  mov    $0xa,%edi
  lea    D6(%rip),%rbx
  call   <putchar@plt>
  movslq 0x38(%rsp),%rcx
  mov    %r12,0x30(%rsp)
  mov    %rcx,%rax
  lea    0x7(%rcx),%rbp
  mov    %rcx,%r13
  add    $0x7,%eax
  cltq
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rax,%r12
  nop
L163:
  mov    %r13,%r14
  cmp    0x18(%rsp),%r13
  jae    L55
  nopw   0x0(%rax,%rax,1)
L142:
  movabs $0x2492492492492493,%rax
  mov    %rbx,%rdi
  mul    %r14
  mov    %r14,%rax
  sub    %rdx,%rax
  shr    %rax
  add    %rax,%rdx
  shr    $0x2,%rdx
  lea    0x0(,%rdx,8),%rax
  sub    %rdx,%rax
  mov    %r14,%rdx
  add    $0x1,%r14
  sub    %rax,%rdx
  xor    %eax,%eax
  mov    0x40(%rsp,%rdx,8),%rsi
  call   <printf@plt>
  cmp    %rbp,%r14
  jne    L142
L55:
  mov    %r15,%rdi
  xor    %eax,%eax
  add    $0x1,%r12
  call   <printf@plt>
  mov    0x20(%rsp),%rax
  add    %r12,%rax
  cmp    %rax,0x10(%rsp)
  jbe    L17
  cmp    %r12,0x8(%rsp)
  ja     L163
L17:
  mov    0x30(%rsp),%r12
L14:
  mov    $0xa,%edi
  mov    $0x1,%ebx
  call   <putchar@plt>
  movslq 0x2c(%rsp),%rax
  mov    0x38(%rsp),%r13d
  mov    %rax,0x18(%rsp)
  nopl   (%rax)
L140:
  xor    %ebp,%ebp
  cmpb   $0x0,0x3e(%rsp)
  mov    0x20(%rsp),%r14
  je     L168
  xchg   %ax,%ax
L53:
  movabs $0xaaaaaaaaaaaaaaab,%rax
  mov    %r14,%rsi
  mul    %r14
  shr    $0x3,%rdx
  lea    (%rdx,%rdx,2),%rax
  lea    (%rdx,%r12,1),%rdi
  shl    $0x2,%rax
  sub    %rax,%rsi
  add    0x18(%rsp),%rsi
  cmp    $0xb,%rsi
  jbe    L35
  sub    $0xc,%rsi
  add    $0x1,%rdi
L35:
  mov    %ebx,%ecx
  mov    %r13d,%edx
  add    $0x1,%rbp
  add    $0x1,%r14
  call   <printgrid@plt>
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  cmp    %r14,0x10(%rsp)
  jbe    L168
  cmp    %rbp,0x8(%rsp)
  ja     L53
L168:
  mov    $0xa,%edi
  add    $0x1,%ebx
  call   <putchar@plt>
  cmp    $0x7,%ebx
  jne    L140
  cmp    %r14,0x10(%rsp)
  jbe    L8
  mov    %r14,0x20(%rsp)
  jmp    L126
L8:
  mov    0xe8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L49
  add    $0xf8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L87:
  mov    $0xa,%edi
  call   <putchar@plt>
  jmp    L14
L49:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_label: D153
type_infered: string
name: parse_data
arguments: data_label: D151
type_infered: string
name: parse_data
arguments: data_label: D110
type_infered: string
name: parse_data
arguments: data_label: D129
type_infered: string
name: parse_data
arguments: data_label: D81
type_infered: string
name: parse_data
arguments: data_label: D88
type_infered: string
name: parse_data
arguments: data_label: D135
type_infered: string
name: parse_data
arguments: data_label: D63
type_infered: string
name: parse_data
arguments: data_label: D20
type_infered: string
name: parse_data
arguments: data_label: D13
type_infered: string
name: parse_data
arguments: data_label: D136
type_infered: string
name: parse_data
arguments: data_label: D54
type_infered: string
name: parse_data
arguments: data_label: D18
type_infered: string
name: parse_data
arguments: data_label: D31
type_infered: string
name: parse_data
arguments: data_label: D197
type_infered: string
name: parse_data
arguments: data_label: D130
type_infered: string
name: parse_data
arguments: data_label: D37
type_infered: string
name: parse_data
arguments: data_label: D23
type_infered: string
name: parse_data
arguments: data_label: D123
type_infered: string
name: parse_data
arguments: data_label: D210
type_infered: string
name: parse_data
arguments: data_label: D103
type_infered: string
name: parse_data
arguments: data_label: D6
type_infered: string

tool: D153:   January

tool: D151:  February

tool: D110:     March

tool: D129:     April

tool: D81:       May

tool: D88:      June

tool: D135:      July

tool: D63:    August

tool: D20: September

tool: D13:   October

tool: D136:  November

tool: D54:  December

tool: D18: Su

tool: D31: Mo

tool: D197: Tu

tool: D130: We

tool: D37: Th

tool: D23: Fr

tool: D123: Sa

tool: D210:   

tool: D103:    %s %zu    

tool: D6: %s 

assistant: ```c
void drawcal(size_t year, int month, size_t ncols, size_t nmons, int fday) {
  char *smon[] = {"  January", " February", "    March", "    April", "      May", "     June", "     July", "   August", "September", "  October", " November", " December"};
  char *days[] = {
      "Su", "Mo", "Tu", "We", "Th", "Fr", "Sa",
  };
  size_t m, n, col, cur_year, cur_month, dow;
  int line;
  for (m = 0; m < nmons;) {
    n = m;
    for (col = 0; m < nmons && col < ncols; ++col, ++m) {
      cur_year = year + m / 12;
      cur_month = month + m % 12;
      if (cur_month > 11) {
        cur_month -= 12;
        cur_year += 1;
      }
      printf("   %s %zu    ", smon[cur_month], cur_year);
      printf("  ");
    }
    putchar('\n');
    for (col = 0, m = n; m < nmons && col < ncols; ++col, ++m) {
      for (dow = fday; dow < (fday + 7); ++dow)
        printf("%s ", days[dow % 7]);
      printf("  ");
    }
    putchar('\n');
    for (line = 1; line <= 6; ++line) {
      for (col = 0, m = n; m < nmons && col < ncols; ++col, ++m) {
        cur_year = year + m / 12;
        cur_month = month + m % 12;
        if (cur_month > 11) {
          cur_month -= 12;
          cur_year += 1;
        }
        printgrid(cur_year, cur_month, fday, line);
        printf("  ");
      }
      putchar('\n');
    }
  }
}
```