user: What would the C source look like for the assembly code provided here:

```asm
<identifier>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x21,%eax
  cmp    $0x1d,%eax
  ja     L116
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D174(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D174(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  lea    D126(%rip),%rax
  jmp    L279
  lea    D120(%rip),%rax
  jmp    L279
  lea    D0(%rip),%rax
  jmp    L279
  lea    D140(%rip),%rax
  jmp    L279
  lea    D40(%rip),%rax
  jmp    L279
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x3d,%al
  jne    L219
  lea    D30(%rip),%rax
  jmp    L279
L219:
  lea    D183(%rip),%rax
  jmp    L279
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x3d,%al
  jne    L203
  lea    D94(%rip),%rax
  jmp    L279
L203:
  lea    D206(%rip),%rax
  jmp    L279
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x3d,%al
  jne    L226
  lea    D130(%rip),%rax
  jmp    L279
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x2a,%eax
  cmp    $0x14,%eax
  ja     L35
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D55(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D55(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  lea    D187(%rip),%rax
  jmp    L279
  lea    D76(%rip),%rax
  jmp    L279
  lea    D71(%rip),%rax
  jmp    L279
  lea    D35(%rip),%rax
  jmp    L279
  lea    D38(%rip),%rax
  jmp    L279
  lea    D123(%rip),%rax
  jmp    L279
L35:
  lea    D63(%rip),%rax
  jmp    L279
L226:
  nop
L116:
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    $0x2d,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  jne    L89
  mov    -0x8(%rbp),%rax
  mov    $0x2e,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L73
L89:
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <GC_strdup@plt>
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L149
L183:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  je     L32
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  jne    L168
L32:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movb   $0x5f,(%rax)
L168:
  addl   $0x1,-0xc(%rbp)
L149:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L183
L73:
  mov    -0x8(%rbp),%rax
L279:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: label: D126
datatype: string
name: retrieve_data
arguments: label: D120
datatype: string
name: retrieve_data
arguments: label: D0
datatype: string
name: retrieve_data
arguments: label: D140
datatype: string
name: retrieve_data
arguments: label: D40
datatype: string
name: retrieve_data
arguments: label: D30
datatype: string
name: retrieve_data
arguments: label: D183
datatype: string
name: retrieve_data
arguments: label: D94
datatype: string
name: retrieve_data
arguments: label: D206
datatype: string
name: retrieve_data
arguments: label: D130
datatype: string
name: retrieve_data
arguments: label: D187
datatype: string
name: retrieve_data
arguments: label: D76
datatype: string
name: retrieve_data
arguments: label: D71
datatype: string
name: retrieve_data
arguments: label: D35
datatype: string
name: retrieve_data
arguments: label: D38
datatype: string
name: retrieve_data
arguments: label: D123
datatype: string
name: retrieve_data
arguments: label: D63
datatype: string

tool: D126: add

tool: D120: mul

tool: D0: sub

tool: D140: divide

tool: D40: eql

tool: D30: leql

tool: D183: less

tool: D94: geql

tool: D206: greater

tool: D130: neql

tool: D187: fadd

tool: D76: fmul

tool: D71: fsub

tool: D35: fdiv

tool: D38: fless

tool: D123: fgreater

tool: D63: stop

assistant: ```c
char *identifier(const char *str) {
  int i;
  char *ptr;
  switch (*str) {
  case '+':
    return "add";
  case '*':
    return "mul";
  case '-':
    return "sub";
  case '/':
    return "divide";
  case '=':
    return "eql";
  case '<':
    if (str[1] == '=')
      return "leql";
    return "less";
  case '>':
    if (str[1] == '=')
      return "geql";
    return "greater";
  case '!':
    if (str[1] == '=')
      return "neql";
    break;
  case '.':
    switch (str[1]) {
    case '+':
      return "fadd";
    case '*':
      return "fmul";
    case '-':
      return "fsub";
    case '/':
      return "fdiv";
    case '<':
      return "fless";
    case '>':
      return "fgreater";
    default:
      return "stop";
    }
    break;
  }
  ptr = (char *)str;
  if (strchr(ptr, '-') || strchr(ptr, '.')) {
    ptr = GC_strdup(ptr);
    for (i = 0; ptr[i]; i++)
      if (ptr[i] == '-' || ptr[i] == '.')
        ptr[i] = '_';
  }
  return ptr;
}
```