user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<replace_substring>:
  endbr64
  push   %r15
  push   %r14
  mov    %rdi,%r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x18,%rsp
  mov    %rdx,(%rsp)
  call   <slen@plt>
  mov    %rbx,%rdi
  mov    %eax,%r12d
  call   <slen@plt>
  lea    0x4(,%r12,4),%edi
  mov    %eax,%ebp
  call   <malloc@plt>
  mov    %rax,%r13
  test   %r12d,%r12d
  js     L124
  movslq %r12d,%rax
  mov    $0xff,%esi
  mov    %r13,%rdi
  lea    0x4(,%rax,4),%rdx
  call   <memset@plt>
L124:
  mov    %r12d,%r15d
  sub    %ebp,%r15d
  test   %r15d,%r15d
  jle    L185
  mov    %ebp,%eax
  lea    -0x1(%rbp),%ecx
  mov    %ebp,%r10d
  movdqa D17(%rip),%xmm6
  shr    $0x4,%eax
  mov    %r13,0x8(%rsp)
  mov    %r13,%r9
  movslq %r15d,%r15
  lea    -0x1(%rax),%edi
  and    $0xfffffff0,%r10d
  xor    %r8d,%r8d
  mov    %ecx,%r13d
  add    $0x1,%rdi
  pxor   %xmm5,%xmm5
  pxor   %xmm4,%xmm4
  shl    $0x4,%rdi
  nopl   (%rax)
L199:
  mov    %r8d,%ecx
  xor    %eax,%eax
  test   %ebp,%ebp
  jle    L104
  cmp    $0xe,%r13d
  jbe    L196
  lea    (%r14,%r8,1),%rdx
  xor    %eax,%eax
  pxor   %xmm1,%xmm1
  nopl   0x0(%rax)
L142:
  movdqu (%rbx,%rax,1),%xmm7
  movdqu (%rdx,%rax,1),%xmm0
  movdqa %xmm5,%xmm2
  add    $0x10,%rax
  pcmpeqb %xmm7,%xmm0
  movdqa %xmm4,%xmm7
  pand   %xmm6,%xmm0
  pcmpgtb %xmm0,%xmm2
  movdqa %xmm0,%xmm3
  punpcklbw %xmm2,%xmm3
  punpckhbw %xmm2,%xmm0
  pcmpgtw %xmm3,%xmm7
  movdqa %xmm3,%xmm2
  punpcklwd %xmm7,%xmm2
  punpckhwd %xmm7,%xmm3
  paddd  %xmm2,%xmm1
  movdqa %xmm4,%xmm2
  pcmpgtw %xmm0,%xmm2
  paddd  %xmm3,%xmm1
  movdqa %xmm0,%xmm3
  punpcklwd %xmm2,%xmm3
  punpckhwd %xmm2,%xmm0
  paddd  %xmm3,%xmm1
  paddd  %xmm0,%xmm1
  cmp    %rax,%rdi
  jne    L142
  movdqa %xmm1,%xmm0
  psrldq $0x8,%xmm0
  paddd  %xmm0,%xmm1
  movdqa %xmm1,%xmm0
  psrldq $0x4,%xmm0
  paddd  %xmm0,%xmm1
  movd   %xmm1,%eax
  cmp    %r10d,%ebp
  je     L104
  mov    %r10d,%edx
L121:
  lea    (%rcx,%rdx,1),%esi
  movslq %edx,%r11
  movslq %esi,%rsi
  movzbl (%rbx,%r11,1),%r11d
  cmp    %r11b,(%r14,%rsi,1)
  sete   %sil
  movzbl %sil,%esi
  add    %esi,%eax
  lea    0x1(%rdx),%esi
  cmp    %ebp,%esi
  jge    L104
  movslq %esi,%r11
  add    %ecx,%esi
  movslq %esi,%rsi
  movzbl (%r14,%rsi,1),%esi
  cmp    %sil,(%rbx,%r11,1)
  sete   %sil
  movzbl %sil,%esi
  add    %esi,%eax
  lea    0x2(%rdx),%esi
  cmp    %ebp,%esi
  jge    L104
  movslq %esi,%r11
  add    %ecx,%esi
  movslq %esi,%rsi
  movzbl (%r14,%rsi,1),%esi
  cmp    %sil,(%rbx,%r11,1)
  sete   %sil
  movzbl %sil,%esi
  add    %esi,%eax
  lea    0x3(%rdx),%esi
  cmp    %esi,%ebp
  jle    L104
  lea    (%rcx,%rsi,1),%r11d
  movslq %esi,%rsi
  movslq %r11d,%r11
  movzbl (%rbx,%rsi,1),%esi
  cmp    %sil,(%r14,%r11,1)
  sete   %sil
  movzbl %sil,%esi
  add    %esi,%eax
  lea    0x4(%rdx),%esi
  cmp    %esi,%ebp
  jle    L104
  lea    (%rcx,%rsi,1),%r11d
  movslq %esi,%rsi
  movslq %r11d,%r11
  movzbl (%rbx,%rsi,1),%esi
  cmp    %sil,(%r14,%r11,1)
  sete   %sil
  movzbl %sil,%esi
  add    %esi,%eax
  lea    0x5(%rdx),%esi
  cmp    %esi,%ebp
  jle    L104
  lea    (%rcx,%rsi,1),%r11d
  movslq %esi,%rsi
  movslq %r11d,%r11
  movzbl (%rbx,%rsi,1),%esi
  cmp    %sil,(%r14,%r11,1)
  sete   %sil
  movzbl %sil,%esi
  add    %esi,%eax
  lea    0x6(%rdx),%esi
  cmp    %esi,%ebp
  jle    L104
  lea    (%rcx,%rsi,1),%r11d
  movslq %esi,%rsi
  movslq %r11d,%r11
  movzbl (%rbx,%rsi,1),%esi
  cmp    %sil,(%r14,%r11,1)
  sete   %sil
  movzbl %sil,%esi
  add    %esi,%eax
  lea    0x7(%rdx),%esi
  cmp    %esi,%ebp
  jle    L104
  lea    (%rcx,%rsi,1),%r11d
  movslq %esi,%rsi
  movslq %r11d,%r11
  movzbl (%rbx,%rsi,1),%esi
  cmp    %sil,(%r14,%r11,1)
  sete   %sil
  movzbl %sil,%esi
  add    %esi,%eax
  lea    0x8(%rdx),%esi
  cmp    %esi,%ebp
  jle    L104
  lea    (%rcx,%rsi,1),%r11d
  movslq %esi,%rsi
  movslq %r11d,%r11
  movzbl (%rbx,%rsi,1),%esi
  cmp    %sil,(%r14,%r11,1)
  sete   %sil
  movzbl %sil,%esi
  add    %esi,%eax
  lea    0x9(%rdx),%esi
  cmp    %esi,%ebp
  jle    L104
  lea    (%rcx,%rsi,1),%r11d
  movslq %esi,%rsi
  movslq %r11d,%r11
  movzbl (%rbx,%rsi,1),%esi
  cmp    %sil,(%r14,%r11,1)
  sete   %sil
  movzbl %sil,%esi
  add    %esi,%eax
  lea    0xa(%rdx),%esi
  cmp    %esi,%ebp
  jle    L104
  lea    (%rcx,%rsi,1),%r11d
  movslq %esi,%rsi
  movslq %r11d,%r11
  movzbl (%rbx,%rsi,1),%esi
  cmp    %sil,(%r14,%r11,1)
  sete   %sil
  movzbl %sil,%esi
  add    %esi,%eax
  lea    0xb(%rdx),%esi
  cmp    %esi,%ebp
  jle    L104
  lea    (%rcx,%rsi,1),%r11d
  movslq %esi,%rsi
  movslq %r11d,%r11
  movzbl (%rbx,%rsi,1),%esi
  cmp    %sil,(%r14,%r11,1)
  sete   %sil
  movzbl %sil,%esi
  add    %esi,%eax
  lea    0xc(%rdx),%esi
  cmp    %esi,%ebp
  jle    L104
  lea    (%rcx,%rsi,1),%r11d
  movslq %esi,%rsi
  movslq %r11d,%r11
  movzbl (%rbx,%rsi,1),%esi
  cmp    %sil,(%r14,%r11,1)
  sete   %sil
  movzbl %sil,%esi
  add    %esi,%eax
  lea    0xd(%rdx),%esi
  cmp    %esi,%ebp
  jle    L104
  lea    (%rcx,%rsi,1),%r11d
  movslq %esi,%rsi
  movslq %r11d,%r11
  movzbl (%rbx,%rsi,1),%esi
  cmp    %sil,(%r14,%r11,1)
  sete   %sil
  add    $0xe,%edx
  movzbl %sil,%esi
  add    %esi,%eax
  cmp    %edx,%ebp
  jle    L104
  lea    (%rcx,%rdx,1),%esi
  movslq %edx,%rdx
  movslq %esi,%rsi
  movzbl (%rbx,%rdx,1),%edx
  cmp    %dl,(%r14,%rsi,1)
  sete   %dl
  movzbl %dl,%edx
  add    %edx,%eax
  xchg   %ax,%ax
L104:
  cmp    %eax,%ebp
  jne    L152
  mov    %ecx,(%r9)
L152:
  add    $0x1,%r8
  add    $0x4,%r9
  cmp    %r15,%r8
  jne    L199
  mov    0x8(%rsp),%r13
L185:
  xor    %r15d,%r15d
  lea    D8(%rip),%rbx
  test   %r12d,%r12d
  jle    L267
  nopl   0x0(%rax)
L224:
  movslq %r15d,%rax
  cmp    %r15d,0x0(%r13,%rax,4)
  je     L160
  movsbl (%r14,%rax,1),%edi
  add    $0x1,%r15d
  call   <putchar@plt>
  cmp    %r15d,%r12d
  jg     L224
L267:
  add    $0x18,%rsp
  mov    %r13,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    10a0 <free@plt>
  nopl   0x0(%rax,%rax,1)
L160:
  mov    (%rsp),%rsi
  mov    %rbx,%rdi
  add    %ebp,%r15d
  call   <printf@plt>
  cmp    %r12d,%r15d
  jl     L224
  jmp    L267
L196:
  xor    %edx,%edx
  xor    %eax,%eax
  jmp    L121
```

tool_calls: name: extract_symbolic_data
arguments: tag: D17
type: byte[16]
name: extract_symbolic_data
arguments: tag: D8
type: string

tool: {"D17": [0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01]}

tool: D8: %s

assistant: ```c
void replace_substring(char *t, char *s, char *w) {
  int l1 = slen(t);
  int l2 = slen(s);
  int *a;
  a = (int *)malloc((l1 + 1) * sizeof(int));
  for (int i = 0; i < l1 + 1; i++) {
    a[i] = -1;
  }
  for (int i = 0; i < l1 - l2; i++) {
    int k = 0;
    for (int j = 0; j < l2; j++) {
      if (t[i + j] == s[j]) {
        k += 1;
      }
    }
    if (k == l2) {
      a[i] = i;
    }
  }
  for (int i = 0; i < l1; i++) {
    if (a[i] == i) {
      printf("%s", w);
      i = i + l2 - 1;
    } else {
      putchar(t[i]);
    }
  }
  free(a);
  return;
}
```