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

```asm
<main>:
  endbr64
  push   %rbp
  lea    D74(%rip),%rdi
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x15(%rsp),%rbp
  call   <printf@plt>
  lea    0x10(%rsp),%rdx
  mov    %rbp,%rcx
  lea    0xc(%rsp),%rsi
  lea    D44(%rip),%rdi
  call   <scanf@plt>
  cmp    $0x3,%eax
  jne    L161
  cmpl   $0xc,0xc(%rsp)
  jg     L93
  movsbl 0x15(%rsp),%edi
  mov    %rbp,%rbx
  test   %dil,%dil
  je     L23
L68:
  call   <tolower@plt>
  add    $0x1,%rbx
  mov    %al,-0x1(%rbx)
  movsbl (%rbx),%edi
  test   %dil,%dil
  jne    L68
L23:
  lea    D69(%rip),%rsi
  mov    %rbp,%rdi
  movb   $0x0,0x17(%rsp)
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L163
L21:
  mov    0xc(%rsp),%eax
  test   %eax,%eax
  jle    L1
  cmpl   $0x0,0x10(%rsp)
  js     L134
  cmpb   $0x70,0x15(%rsp)
  jne    L134
L69:
  lea    D2(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  jmp    L67
L134:
  cmp    $0x2,%eax
  jle    L1
L166:
  lea    D33(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
L67:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L2
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  ret
L1:
  cmpb   $0x61,0x15(%rsp)
  jne    L166
  jmp    L69
L161:
  lea    D29(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%eax
  jmp    L67
L163:
  lea    D85(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L21
  lea    D70(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%eax
  jmp    L67
L93:
  lea    D41(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%eax
  jmp    L67
L2:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: tag: D74
type_guessed: string
name: disassemble_data
arguments: tag: D44
type_guessed: string
name: disassemble_data
arguments: tag: D69
type_guessed: string
name: disassemble_data
arguments: tag: D2
type_guessed: string
name: disassemble_data
arguments: tag: D33
type_guessed: string
name: disassemble_data
arguments: tag: D29
type_guessed: string
name: disassemble_data
arguments: tag: D85
type_guessed: string
name: disassemble_data
arguments: tag: D70
type_guessed: string
name: disassemble_data
arguments: tag: D41
type_guessed: string

tool: D74: Please enter time in format (hh:mm tt): 

tool: D44: %d:%d %2s

tool: D69: am

tool: D2: beer time


tool: D33: non-beer time


tool: D29: Invalid time format!


tool: D85: pm

tool: D70: tt must be AM or PM!


tool: D41: Hours must be between 1 and 12!


assistant: ```c
int main() {
  int hour, minutes;
  char amPm[3];
  printf("Please enter time in format (hh:mm tt): ");
  if (scanf("%d:%d %2s", &hour, &minutes, amPm) != 3) {
    printf("Invalid time format!\n");
    return 1;
  } else if (1 < hour && hour > 12) {
    printf("Hours must be between 1 and 12!\n");
    return 1;
  } else if (0 < minutes && hour > 59) {
    printf("Minutes must be between 0 and 59!\n");
    return 1;
  }
  int i = 0;
  while (amPm[i]) {
    amPm[i] = tolower(amPm[i]);
    i++;
  }
  amPm[2] = '\0';
  char *pm = "pm";
  char *am = "am";
  if ((strcmp(amPm, am) != 0) && (strcmp(amPm, pm) != 0)) {
    printf("tt must be AM or PM!\n");
    return 1;
  }
  int isBeerTime = (hour >= 1 && minutes >= 0 && amPm[0] == 'p') || (hour < 3 && amPm[0] == 'a');
  if (isBeerTime) {
    printf("beer time\n");
  } else {
    printf("non-beer time\n");
  }
  return 0;
}
```