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

```asm
<main>:
  endbr64
  push   %rbp
  sub    $0x70,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x68(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbp
  mov    %rbp,%rdi
  call   <gets@plt>
  cmpb   $0x0,(%rsp)
  je     L151
  xor    %eax,%eax
L3:
  mov    %eax,%edx
  add    $0x1,%rax
  cmpb   $0x0,0x0(%rbp,%rax,1)
  jne    L3
  lea    0x1(%rdx),%ecx
  cmp    $0xe,%edx
  jbe    L230
  movdqa (%rsp),%xmm2
  movdqa D20(%rip),%xmm0
  mov    %ecx,%eax
  movdqa D7(%rip),%xmm4
  movdqa D1(%rip),%xmm3
  shr    $0x4,%eax
  paddb  %xmm0,%xmm2
  paddb  %xmm2,%xmm2
  movdqa %xmm2,%xmm1
  movdqa %xmm2,%xmm5
  pcmpgtb %xmm4,%xmm1
  paddb  %xmm3,%xmm5
  pand   %xmm1,%xmm5
  pandn  %xmm2,%xmm1
  por    %xmm5,%xmm1
  movaps %xmm1,(%rsp)
  cmp    $0x1,%eax
  je     L97
  movdqa 0x10(%rsp),%xmm2
  paddb  %xmm0,%xmm2
  paddb  %xmm2,%xmm2
  movdqa %xmm2,%xmm1
  movdqa %xmm2,%xmm5
  pcmpgtb %xmm4,%xmm1
  paddb  %xmm3,%xmm5
  pand   %xmm1,%xmm5
  pandn  %xmm2,%xmm1
  por    %xmm5,%xmm1
  movaps %xmm1,0x10(%rsp)
  cmp    $0x2,%eax
  je     L97
  movdqa 0x20(%rsp),%xmm2
  paddb  %xmm0,%xmm2
  paddb  %xmm2,%xmm2
  movdqa %xmm2,%xmm1
  movdqa %xmm2,%xmm5
  pcmpgtb %xmm4,%xmm1
  paddb  %xmm3,%xmm5
  pand   %xmm1,%xmm5
  pandn  %xmm2,%xmm1
  por    %xmm5,%xmm1
  movaps %xmm1,0x20(%rsp)
  cmp    $0x3,%eax
  je     L97
  movdqa 0x30(%rsp),%xmm2
  paddb  %xmm0,%xmm2
  paddb  %xmm2,%xmm2
  movdqa %xmm2,%xmm1
  movdqa %xmm2,%xmm5
  pcmpgtb %xmm4,%xmm1
  paddb  %xmm3,%xmm5
  pand   %xmm1,%xmm5
  pandn  %xmm2,%xmm1
  por    %xmm5,%xmm1
  movaps %xmm1,0x30(%rsp)
  cmp    $0x4,%eax
  je     L97
  movdqa 0x40(%rsp),%xmm2
  paddb  %xmm0,%xmm2
  paddb  %xmm2,%xmm2
  movdqa %xmm2,%xmm1
  movdqa %xmm2,%xmm5
  pcmpgtb %xmm4,%xmm1
  paddb  %xmm3,%xmm5
  pand   %xmm1,%xmm5
  pandn  %xmm2,%xmm1
  por    %xmm5,%xmm1
  movaps %xmm1,0x40(%rsp)
  cmp    $0x6,%eax
  jne    L97
  paddb  0x50(%rsp),%xmm0
  paddb  %xmm0,%xmm0
  movdqa %xmm0,%xmm1
  paddb  %xmm0,%xmm3
  pcmpgtb %xmm4,%xmm1
  pand   %xmm1,%xmm3
  pandn  %xmm0,%xmm1
  por    %xmm3,%xmm1
  movaps %xmm1,0x50(%rsp)
L97:
  mov    %ecx,%eax
  and    $0xfffffff0,%eax
  and    $0xf,%ecx
  je     L151
L7:
  movslq %eax,%rsi
  movsbl (%rsp,%rsi,1),%ecx
  lea    -0x60(%rcx,%rcx,1),%ecx
  lea    -0x1a(%rcx),%edi
  cmp    $0x7b,%cl
  cmovge %edi,%ecx
  mov    %cl,(%rsp,%rsi,1)
  lea    0x1(%rax),%esi
  cmp    %eax,%edx
  jle    L151
  movslq %esi,%rdi
  movsbl (%rsp,%rdi,1),%ecx
  lea    -0x60(%rcx,%rcx,1),%ecx
  lea    -0x1a(%rcx),%r8d
  cmp    $0x7b,%cl
  cmovge %r8d,%ecx
  mov    %cl,(%rsp,%rdi,1)
  lea    0x2(%rax),%edi
  cmp    %esi,%edx
  jle    L151
  movslq %edi,%rsi
  movsbl (%rsp,%rsi,1),%ecx
  lea    -0x60(%rcx,%rcx,1),%ecx
  lea    -0x1a(%rcx),%r8d
  cmp    $0x7b,%cl
  cmovge %r8d,%ecx
  mov    %cl,(%rsp,%rsi,1)
  lea    0x3(%rax),%esi
  cmp    %edi,%edx
  jle    L151
  movslq %esi,%rdi
  movsbl (%rsp,%rdi,1),%ecx
  lea    -0x60(%rcx,%rcx,1),%ecx
  lea    -0x1a(%rcx),%r8d
  cmp    $0x7b,%cl
  cmovge %r8d,%ecx
  mov    %cl,(%rsp,%rdi,1)
  lea    0x4(%rax),%edi
  cmp    %edx,%esi
  jge    L151
  movslq %edi,%rsi
  movsbl (%rsp,%rsi,1),%ecx
  lea    -0x60(%rcx,%rcx,1),%ecx
  lea    -0x1a(%rcx),%r8d
  cmp    $0x7b,%cl
  cmovge %r8d,%ecx
  mov    %cl,(%rsp,%rsi,1)
  lea    0x5(%rax),%esi
  cmp    %edi,%edx
  jle    L151
  movslq %esi,%rdi
  movsbl (%rsp,%rdi,1),%ecx
  lea    -0x60(%rcx,%rcx,1),%ecx
  lea    -0x1a(%rcx),%r8d
  cmp    $0x7b,%cl
  cmovge %r8d,%ecx
  mov    %cl,(%rsp,%rdi,1)
  lea    0x6(%rax),%edi
  cmp    %esi,%edx
  jle    L151
  movslq %edi,%rsi
  movsbl (%rsp,%rsi,1),%ecx
  lea    -0x60(%rcx,%rcx,1),%ecx
  lea    -0x1a(%rcx),%r8d
  cmp    $0x7b,%cl
  cmovge %r8d,%ecx
  mov    %cl,(%rsp,%rsi,1)
  lea    0x7(%rax),%esi
  cmp    %edi,%edx
  jle    L151
  movslq %esi,%rdi
  movsbl (%rsp,%rdi,1),%ecx
  lea    -0x60(%rcx,%rcx,1),%ecx
  lea    -0x1a(%rcx),%r8d
  cmp    $0x7b,%cl
  cmovge %r8d,%ecx
  mov    %cl,(%rsp,%rdi,1)
  lea    0x8(%rax),%edi
  cmp    %esi,%edx
  jle    L151
  movslq %edi,%rsi
  movsbl (%rsp,%rsi,1),%ecx
  lea    -0x60(%rcx,%rcx,1),%ecx
  lea    -0x1a(%rcx),%r8d
  cmp    $0x7b,%cl
  cmovge %r8d,%ecx
  mov    %cl,(%rsp,%rsi,1)
  lea    0x9(%rax),%esi
  cmp    %edi,%edx
  jle    L151
  movslq %esi,%rdi
  movsbl (%rsp,%rdi,1),%ecx
  lea    -0x60(%rcx,%rcx,1),%ecx
  lea    -0x1a(%rcx),%r8d
  cmp    $0x7b,%cl
  cmovge %r8d,%ecx
  mov    %cl,(%rsp,%rdi,1)
  lea    0xa(%rax),%edi
  cmp    %esi,%edx
  jle    L151
  movslq %edi,%rsi
  movsbl (%rsp,%rsi,1),%ecx
  lea    -0x60(%rcx,%rcx,1),%ecx
  lea    -0x1a(%rcx),%r8d
  cmp    $0x7b,%cl
  cmovge %r8d,%ecx
  mov    %cl,(%rsp,%rsi,1)
  lea    0xb(%rax),%esi
  cmp    %edi,%edx
  jle    L151
  movslq %esi,%rdi
  movsbl (%rsp,%rdi,1),%ecx
  lea    -0x60(%rcx,%rcx,1),%ecx
  lea    -0x1a(%rcx),%r8d
  cmp    $0x7b,%cl
  cmovge %r8d,%ecx
  mov    %cl,(%rsp,%rdi,1)
  lea    0xc(%rax),%edi
  cmp    %esi,%edx
  jle    L151
  movslq %edi,%rsi
  movsbl (%rsp,%rsi,1),%ecx
  lea    -0x60(%rcx,%rcx,1),%ecx
  lea    -0x1a(%rcx),%r8d
  cmp    $0x7b,%cl
  cmovge %r8d,%ecx
  mov    %cl,(%rsp,%rsi,1)
  lea    0xd(%rax),%esi
  cmp    %edi,%edx
  jle    L151
  movslq %esi,%rdi
  movsbl (%rsp,%rdi,1),%ecx
  lea    -0x60(%rcx,%rcx,1),%ecx
  cmp    $0x7b,%cl
  lea    -0x1a(%rcx),%r8d
  cmovge %r8d,%ecx
  add    $0xe,%eax
  mov    %cl,(%rsp,%rdi,1)
  cmp    %esi,%edx
  jle    L151
  cltq
  movsbl (%rsp,%rax,1),%edx
  lea    -0x60(%rdx,%rdx,1),%edx
  lea    -0x1a(%rdx),%ecx
  cmp    $0x7b,%dl
  cmovge %ecx,%edx
  mov    %dl,(%rsp,%rax,1)
  nopl   (%rax)
L151:
  mov    %rbp,%rdi
  call   <puts@plt>
  mov    0x68(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L24
  add    $0x70,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L230:
  xor    %eax,%eax
  jmp    L7
L24:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D20
type: byte[16]
name: read_data
arguments: data_label: D7
type: byte[16]
name: read_data
arguments: data_label: D1
type: byte[16]

tool: {"D20": [0xd0,0xd0,0xd0,0xd0,0xd0,0xd0,0xd0,0xd0,0xd0,0xd0,0xd0,0xd0,0xd0,0xd0,0xd0,0xd0]}

tool: {"D7": [0x7a,0x7a,0x7a,0x7a,0x7a,0x7a,0x7a,0x7a,0x7a,0x7a,0x7a,0x7a,0x7a,0x7a,0x7a,0x7a]}

tool: {"D1": [0xe6,0xe6,0xe6,0xe6,0xe6,0xe6,0xe6,0xe6,0xe6,0xe6,0xe6,0xe6,0xe6,0xe6,0xe6,0xe6]}

assistant: ```c
int main() {
  char str[100];
  int i = 0, count = 0;
  gets(str);
  while (str[i] != '\0') {
    count = count + 1;
    i++;
  }
  for (i = 0; i < count; i++) {
    str[i] = str[i] + str[i] - 96;
    if (str[i] > 122) {
      str[i] = str[i] - 26;
    }
  }
  puts(str);
  return 0;
}
```