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

```asm
<expand>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  movzbl (%rdi),%eax
  test   %al,%al
  je     L202
  lea    0x1(%rdi),%rbx
  xor    %r13d,%r13d
  xor    %ebp,%ebp
  xor    %r14d,%r14d
  jmp    L461
  nopw   0x0(%rax,%rax,1)
L92:
  movzbl (%rbx),%eax
  add    $0x1,%rbx
  add    $0x1,%ebp
  test   %al,%al
  je     L154
L461:
  cmp    $0x2d,%al
  jne    L92
  movsbl -0x2(%rbx),%edi
  call   <isalpha@plt>
  test   %rax,%rax
  je     L209
  movsbl (%rbx),%edi
  call   <isalpha@plt>
  test   %rax,%rax
  jne    L81
L209:
  movsbl -0x2(%rbx),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L321
L66:
  test   %ebp,%ebp
  je     L182
  cmpb   $0x0,(%rbx)
  jne    L92
L182:
  movb   $0x2d,(%r12,%r14,1)
  add    $0x1,%r13d
L181:
  movzbl (%rbx),%eax
  add    $0x1,%rbx
  movslq %r13d,%r14
  add    $0x1,%ebp
  test   %al,%al
  jne    L461
  xchg   %ax,%ax
L154:
  add    %r14,%r12
L202:
  movb   $0x0,(%r12)
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L321:
  movsbl (%rbx),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L66
L81:
  movzbl (%rbx),%eax
  movsbl -0x2(%rbx),%edi
  mov    %al,0xf(%rsp)
  call   <tolower@plt>
  movsbl 0xf(%rsp),%edi
  mov    %eax,%r15d
  call   <tolower@plt>
  cmp    %r15b,-0x1(%r12,%r14,1)
  sete   %cl
  add    %ecx,%r15d
  cmp    %r15b,%al
  jl     L92
  mov    %eax,%edi
  sub    %r15d,%edi
  cmp    $0x7f,%al
  setne  %sil
  cmp    $0x6,%dil
  seta   %cl
  test   %cl,%sil
  je     L90
  lea    0x1(%r15),%esi
  lea    0x1(%rax),%ecx
  cmp    %cl,%sil
  jg     L90
  lea    0x1(%rdi),%r9d
  cmp    $0xe,%dil
  jbe    L397
  movd   %r15d,%xmm0
  lea    -0xf(%rdi),%esi
  movd   %r13d,%xmm7
  add    %r12,%r14
  punpcklbw %xmm0,%xmm0
  movdqa D302(%rip),%xmm3
  shr    $0x4,%sil
  movdqa D330(%rip),%xmm1
  punpcklwd %xmm0,%xmm0
  pshufd $0x0,%xmm7,%xmm2
  lea    0x1(%rsi),%ecx
  pshufd $0x0,%xmm0,%xmm0
  paddb  D155(%rip),%xmm0
  paddd  %xmm2,%xmm1
  paddb  %xmm0,%xmm3
  movups %xmm0,(%r14)
  test   %sil,%sil
  je     L177
  movdqa D302(%rip),%xmm0
  movdqa D180(%rip),%xmm1
  movups %xmm3,0x10(%r14)
  paddb  %xmm3,%xmm0
  paddd  %xmm2,%xmm1
  cmp    $0x2,%cl
  je     L177
  movdqa D302(%rip),%xmm3
  movdqa D24(%rip),%xmm1
  movups %xmm0,0x20(%r14)
  paddb  %xmm0,%xmm3
  paddd  %xmm2,%xmm1
  cmp    $0x3,%cl
  je     L177
  movdqa D302(%rip),%xmm0
  movdqa D182(%rip),%xmm1
  movups %xmm3,0x30(%r14)
  paddb  %xmm3,%xmm0
  paddd  %xmm2,%xmm1
  cmp    $0x4,%cl
  je     L177
  movdqa D302(%rip),%xmm3
  movdqa D29(%rip),%xmm1
  movups %xmm0,0x40(%r14)
  paddb  %xmm0,%xmm3
  paddd  %xmm2,%xmm1
  cmp    $0x5,%cl
  je     L177
  movdqa D302(%rip),%xmm0
  movdqa D124(%rip),%xmm1
  movups %xmm3,0x50(%r14)
  paddb  %xmm3,%xmm0
  paddd  %xmm2,%xmm1
  cmp    $0x6,%cl
  je     L177
  movdqa D302(%rip),%xmm3
  movdqa D294(%rip),%xmm1
  movups %xmm0,0x60(%r14)
  paddb  %xmm0,%xmm3
  paddd  %xmm2,%xmm1
  cmp    $0x7,%cl
  je     L177
  movdqa D302(%rip),%xmm0
  movdqa D253(%rip),%xmm1
  movups %xmm3,0x70(%r14)
  paddb  %xmm3,%xmm0
  paddd  %xmm2,%xmm1
  cmp    $0x8,%cl
  je     L177
  movdqa D302(%rip),%xmm3
  movdqa D339(%rip),%xmm1
  movups %xmm0,0x80(%r14)
  paddb  %xmm0,%xmm3
  paddd  %xmm2,%xmm1
  cmp    $0x9,%cl
  je     L177
  movdqa D302(%rip),%xmm0
  movdqa D92(%rip),%xmm1
  movups %xmm3,0x90(%r14)
  paddb  %xmm3,%xmm0
  paddd  %xmm2,%xmm1
  cmp    $0xa,%cl
  je     L177
  movdqa D302(%rip),%xmm3
  movdqa D232(%rip),%xmm1
  movups %xmm0,0xa0(%r14)
  paddb  %xmm0,%xmm3
  paddd  %xmm2,%xmm1
  cmp    $0xb,%cl
  je     L177
  movdqa D302(%rip),%xmm0
  movdqa D319(%rip),%xmm1
  movups %xmm3,0xb0(%r14)
  paddb  %xmm3,%xmm0
  paddd  %xmm2,%xmm1
  cmp    $0xc,%cl
  je     L177
  movdqa D302(%rip),%xmm3
  movdqa D255(%rip),%xmm1
  movups %xmm0,0xc0(%r14)
  paddb  %xmm0,%xmm3
  paddd  %xmm2,%xmm1
  cmp    $0xd,%cl
  je     L177
  movdqa D302(%rip),%xmm0
  movdqa D197(%rip),%xmm1
  movups %xmm3,0xd0(%r14)
  paddb  %xmm3,%xmm0
  paddd  %xmm2,%xmm1
  cmp    $0xe,%cl
  je     L177
  movdqa D302(%rip),%xmm3
  movdqa D78(%rip),%xmm1
  movups %xmm0,0xe0(%r14)
  paddb  %xmm0,%xmm3
  paddd  %xmm2,%xmm1
  cmp    $0x10,%cl
  jne    L177
  paddd  D297(%rip),%xmm2
  movups %xmm3,0xf0(%r14)
  pshufd $0xff,%xmm2,%xmm0
  movd   %xmm0,%ecx
  test   %r9b,%r9b
  je     L381
  lea    0x1(%rdi),%r8d
  mov    %r13d,%esi
  xor    %ecx,%ecx
  jmp    L18
  nopl   0x0(%rax,%rax,1)
L177:
  shl    $0x4,%ecx
  pshufd $0xff,%xmm1,%xmm1
  movzbl %cl,%esi
  add    %ecx,%r15d
  add    %r13d,%esi
  cmp    %cl,%r9b
  je     L430
  sub    %ecx,%edi
  lea    0x1(%rdi),%r8d
  cmp    $0x6,%dil
  jbe    L100
L18:
  mov    %r15d,%edi
  movzbl %r15b,%r9d
  movzbl %cl,%ecx
  movq   D155(%rip),%xmm0
  shl    $0x8,%edi
  or     %r9d,%edi
  movd   %edi,%xmm4
  mov    %r8d,%edi
  pshuflw $0x0,%xmm4,%xmm1
  and    $0xf8,%edi
  paddb  %xmm1,%xmm0
  movq   D152(%rip),%xmm1
  movq   %xmm0,(%r14,%rcx,1)
  lea    0x1(%rsi),%ecx
  movd   %esi,%xmm0
  add    %edi,%esi
  movd   %ecx,%xmm5
  mov    %r8d,%ecx
  punpckldq %xmm5,%xmm0
  and    $0xfffffff8,%ecx
  paddd  %xmm1,%xmm0
  add    %ecx,%r15d
  pshufd $0xe5,%xmm0,%xmm6
  movd   %xmm6,%r13d
  cmp    %r8b,%cl
  je     L181
L100:
  movslq %esi,%rcx
  lea    0x1(%r15),%edi
  lea    0x1(%rsi),%r13d
  mov    %r15b,(%r12,%rcx,1)
  cmp    %dil,%al
  jl     L181
  movslq %r13d,%r13
  lea    0x2(%r15),%r8d
  lea    0x2(%rsi),%ecx
  mov    %dil,(%r12,%r13,1)
  cmp    %r8b,%al
  jl     L381
  movslq %ecx,%rcx
  lea    0x3(%r15),%edi
  lea    0x3(%rsi),%r13d
  mov    %r8b,(%r12,%rcx,1)
  cmp    %dil,%al
  jl     L181
  movslq %r13d,%r13
  lea    0x4(%r15),%r8d
  lea    0x4(%rsi),%ecx
  mov    %dil,(%r12,%r13,1)
  cmp    %r8b,%al
  jl     L381
  movslq %ecx,%rcx
  lea    0x5(%r15),%edi
  lea    0x5(%rsi),%r13d
  mov    %r8b,(%r12,%rcx,1)
  cmp    %dil,%al
  jl     L181
  movslq %r13d,%r13
  lea    0x6(%r15),%edx
  lea    0x6(%rsi),%ecx
  mov    %dil,(%r12,%r13,1)
  cmp    %dl,%al
  jl     L381
  movslq %ecx,%rcx
  lea    0x7(%rsi),%r13d
  mov    %dl,(%r12,%rcx,1)
  jmp    L181
L90:
  lea    0x1(%r13),%ecx
  movslq %ecx,%rcx
  xchg   %ax,%ax
L466:
  mov    %r15d,%esi
  add    $0x1,%r15d
  mov    %ecx,%r13d
  mov    %sil,-0x1(%r12,%rcx,1)
  add    $0x1,%rcx
  cmp    %al,%r15b
  jle    L466
  jmp    L181
L430:
  movd   %xmm1,%r13d
  jmp    L181
L381:
  mov    %ecx,%r13d
  jmp    L181
L397:
  mov    %r9d,%r8d
  mov    %r13d,%esi
  xor    %ecx,%ecx
  add    %r12,%r14
  jmp    L18
```

tool_calls: name: retrieve_data
arguments: data_label: D302
data_type: byte[16]
name: retrieve_data
arguments: data_label: D330
data_type: byte[16]
name: retrieve_data
arguments: data_label: D155
data_type: byte[16]
name: retrieve_data
arguments: data_label: D180
data_type: byte[16]
name: retrieve_data
arguments: data_label: D24
data_type: byte[16]
name: retrieve_data
arguments: data_label: D182
data_type: byte[16]
name: retrieve_data
arguments: data_label: D29
data_type: byte[16]
name: retrieve_data
arguments: data_label: D124
data_type: byte[16]
name: retrieve_data
arguments: data_label: D294
data_type: byte[16]
name: retrieve_data
arguments: data_label: D253
data_type: byte[16]
name: retrieve_data
arguments: data_label: D339
data_type: byte[16]
name: retrieve_data
arguments: data_label: D92
data_type: byte[16]
name: retrieve_data
arguments: data_label: D232
data_type: byte[16]
name: retrieve_data
arguments: data_label: D319
data_type: byte[16]
name: retrieve_data
arguments: data_label: D255
data_type: byte[16]
name: retrieve_data
arguments: data_label: D197
data_type: byte[16]
name: retrieve_data
arguments: data_label: D78
data_type: byte[16]
name: retrieve_data
arguments: data_label: D297
data_type: byte[16]
name: retrieve_data
arguments: data_label: D152
data_type: byte[8]

tool: {"D302": [0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10]}

tool: {"D330": [0x0d,0x00,0x00,0x00,0x0e,0x00,0x00,0x00,0x0f,0x00,0x00,0x00,0x10,0x00,0x00,0x00]}

tool: {"D155": [0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f]}

tool: {"D180": [0x1d,0x00,0x00,0x00,0x1e,0x00,0x00,0x00,0x1f,0x00,0x00,0x00,0x20,0x00,0x00,0x00]}

tool: {"D24": [0x2d,0x00,0x00,0x00,0x2e,0x00,0x00,0x00,0x2f,0x00,0x00,0x00,0x30,0x00,0x00,0x00]}

tool: {"D182": [0x3d,0x00,0x00,0x00,0x3e,0x00,0x00,0x00,0x3f,0x00,0x00,0x00,0x40,0x00,0x00,0x00]}

tool: {"D29": [0x4d,0x00,0x00,0x00,0x4e,0x00,0x00,0x00,0x4f,0x00,0x00,0x00,0x50,0x00,0x00,0x00]}

tool: {"D124": [0x5d,0x00,0x00,0x00,0x5e,0x00,0x00,0x00,0x5f,0x00,0x00,0x00,0x60,0x00,0x00,0x00]}

tool: {"D294": [0x6d,0x00,0x00,0x00,0x6e,0x00,0x00,0x00,0x6f,0x00,0x00,0x00,0x70,0x00,0x00,0x00]}

tool: {"D253": [0x7d,0x00,0x00,0x00,0x7e,0x00,0x00,0x00,0x7f,0x00,0x00,0x00,0x80,0x00,0x00,0x00]}

tool: {"D339": [0x8d,0x00,0x00,0x00,0x8e,0x00,0x00,0x00,0x8f,0x00,0x00,0x00,0x90,0x00,0x00,0x00]}

tool: {"D92": [0x9d,0x00,0x00,0x00,0x9e,0x00,0x00,0x00,0x9f,0x00,0x00,0x00,0xa0,0x00,0x00,0x00]}

tool: {"D232": [0xad,0x00,0x00,0x00,0xae,0x00,0x00,0x00,0xaf,0x00,0x00,0x00,0xb0,0x00,0x00,0x00]}

tool: {"D319": [0xbd,0x00,0x00,0x00,0xbe,0x00,0x00,0x00,0xbf,0x00,0x00,0x00,0xc0,0x00,0x00,0x00]}

tool: {"D255": [0xcd,0x00,0x00,0x00,0xce,0x00,0x00,0x00,0xcf,0x00,0x00,0x00,0xd0,0x00,0x00,0x00]}

tool: {"D197": [0xdd,0x00,0x00,0x00,0xde,0x00,0x00,0x00,0xdf,0x00,0x00,0x00,0xe0,0x00,0x00,0x00]}

tool: {"D78": [0xed,0x00,0x00,0x00,0xee,0x00,0x00,0x00,0xef,0x00,0x00,0x00,0xf0,0x00,0x00,0x00]}

tool: {"D297": [0xfd,0x00,0x00,0x00,0xfe,0x00,0x00,0x00,0xff,0x00,0x00,0x00,0x00,0x01,0x00,0x00]}

tool: {"D152": [0x07,0x00,0x00,0x00,0x07,0x00,0x00,0x00]}

assistant: ```c
void expand(char s1[], char s2[]) {
  int i, j;
  char start = 0;
  char end = 0;
  for (i = 0, j = 0; s1[i] != '\0'; i++) {
    if (s1[i] == '-') {
      if ((isalpha(s1[i - 1]) && isalpha(s1[i + 1])) || (isdigit(s1[i - 1]) && isdigit(s1[i + 1]))) {
        start = s1[i - 1];
        end = s1[i + 1];
        start = tolower(start);
        end = tolower(end);
        if (start == s2[j - 1]) {
          start++;
        }
        while (start <= end) {
          s2[j++] = start++;
        }
      } else {
        if (i == 0 || s1[i + 1] == '\0') {
          s2[j++] = '-';
        }
      }
    }
  }
  s2[j] = '\0';
}
```