user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D109(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x7(%rsp),%rsi
  call   <scanf@plt>
  movzbl 0x7(%rsp),%eax
  cmp    $0x61,%al
  je     L295
L230:
  cmp    $0x62,%al
  je     L101
L466:
  cmp    $0x63,%al
  je     L389
L423:
  cmp    $0x64,%al
  je     L462
L485:
  cmp    $0x65,%al
  je     L324
L32:
  cmp    $0x66,%al
  je     L200
L89:
  cmp    $0x67,%al
  je     L386
L203:
  cmp    $0x68,%al
  je     L117
L34:
  cmp    $0x69,%al
  je     L79
L47:
  cmp    $0x6a,%al
  je     L487
L180:
  cmp    $0x6b,%al
  je     L126
L351:
  cmp    $0x6c,%al
  je     L368
L6:
  cmp    $0x6d,%al
  je     L419
L44:
  cmp    $0x6e,%al
  je     L119
L505:
  cmp    $0x6f,%al
  je     L45
L35:
  cmp    $0x70,%al
  je     L198
L60:
  cmp    $0x71,%al
  je     L491
L476:
  cmp    $0x72,%al
  je     L479
L186:
  cmp    $0x73,%al
  je     L277
L29:
  cmp    $0x74,%al
  je     L312
L162:
  cmp    $0x75,%al
  je     L151
L156:
  cmp    $0x76,%al
  je     L236
L55:
  cmp    $0x77,%al
  je     L74
L520:
  cmp    $0x78,%al
  je     L518
L204:
  cmp    $0x79,%al
  je     L353
L147:
  cmp    $0x7a,%al
  je     L182
L0:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L20
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L295:
  lea    D94(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L230
L182:
  lea    D2(%rip),%rdi
  call   <printf@plt>
  jmp    L0
L353:
  lea    D13(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L147
L518:
  lea    D25(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L204
L74:
  lea    D166(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L520
L236:
  lea    D88(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L55
L151:
  lea    D107(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L156
L312:
  lea    D217(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L162
L277:
  lea    D53(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L29
L479:
  lea    D236(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L186
L491:
  lea    D69(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L476
L198:
  lea    D129(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L60
L45:
  lea    D187(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L35
L119:
  lea    D195(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L505
L419:
  lea    D0(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L44
L368:
  lea    D253(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L6
L126:
  lea    D243(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L351
L487:
  lea    D125(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L180
L79:
  lea    D55(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L47
L117:
  lea    D46(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L34
L386:
  lea    D77(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L203
L200:
  lea    D249(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L89
L324:
  lea    D74(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L32
L462:
  lea    D61(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L485
L389:
  lea    D59(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L423
L101:
  lea    D269(%rip),%rdi
  call   <printf@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L466
L20:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: tag: D109
type: string
name: unpack_data
arguments: tag: D94
type: string
name: unpack_data
arguments: tag: D2
type: string
name: unpack_data
arguments: tag: D13
type: string
name: unpack_data
arguments: tag: D25
type: string
name: unpack_data
arguments: tag: D166
type: string
name: unpack_data
arguments: tag: D88
type: string
name: unpack_data
arguments: tag: D107
type: string
name: unpack_data
arguments: tag: D217
type: string
name: unpack_data
arguments: tag: D53
type: string
name: unpack_data
arguments: tag: D236
type: string
name: unpack_data
arguments: tag: D69
type: string
name: unpack_data
arguments: tag: D129
type: string
name: unpack_data
arguments: tag: D187
type: string
name: unpack_data
arguments: tag: D195
type: string
name: unpack_data
arguments: tag: D0
type: string
name: unpack_data
arguments: tag: D253
type: string
name: unpack_data
arguments: tag: D243
type: string
name: unpack_data
arguments: tag: D125
type: string
name: unpack_data
arguments: tag: D55
type: string
name: unpack_data
arguments: tag: D46
type: string
name: unpack_data
arguments: tag: D77
type: string
name: unpack_data
arguments: tag: D249
type: string
name: unpack_data
arguments: tag: D74
type: string
name: unpack_data
arguments: tag: D61
type: string
name: unpack_data
arguments: tag: D59
type: string
name: unpack_data
arguments: tag: D269
type: string

tool: D109: %c

tool: D94: 
z

tool: D2: 
a

tool: D13: 
b

tool: D25: 
c

tool: D166: 
d

tool: D88: 
e

tool: D107: 
f

tool: D217: 
g

tool: D53: 
h

tool: D236: 
i

tool: D69: 
j

tool: D129: 
k

tool: D187: 
l

tool: D195: 
m

tool: D0: 
n

tool: D253: 
o

tool: D243: 
p

tool: D125: 
q

tool: D55: 
r

tool: D46: 
s

tool: D77: 
t

tool: D249: 
u

tool: D74: 
v

tool: D61: 
w

tool: D59: 
x

tool: D269: 
y

assistant: ```c
int main() {
  char l;
  scanf("%c", &l);
  if (l == 'a')
    printf("\nz");
  if (l == 'b')
    printf("\ny");
  if (l == 'c')
    printf("\nx");
  if (l == 'd')
    printf("\nw");
  if (l == 'e')
    printf("\nv");
  if (l == 'f')
    printf("\nu");
  if (l == 'g')
    printf("\nt");
  if (l == 'h')
    printf("\ns");
  if (l == 'i')
    printf("\nr");
  if (l == 'j')
    printf("\nq");
  if (l == 'k')
    printf("\np");
  if (l == 'l')
    printf("\no");
  if (l == 'm')
    printf("\nn");
  if (l == 'n')
    printf("\nm");
  if (l == 'o')
    printf("\nl");
  if (l == 'p')
    printf("\nk");
  if (l == 'q')
    printf("\nj");
  if (l == 'r')
    printf("\ni");
  if (l == 's')
    printf("\nh");
  if (l == 't')
    printf("\ng");
  if (l == 'u')
    printf("\nf");
  if (l == 'v')
    printf("\ne");
  if (l == 'w')
    printf("\nd");
  if (l == 'x')
    printf("\nc");
  if (l == 'y')
    printf("\nb");
  if (l == 'z')
    printf("\na");
  return 0;
}
```