user: 请将以下的汇编代码转换成C语言代码：

```asm
<replaceNWord>:
  endbr64
  test   %rdi,%rdi
  je     L90
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0x18,%rsp
  test   %rsi,%rsi
  je     L160
  mov    %rdx,%r12
  test   %rdx,%rdx
  je     L160
  mov    %ecx,%r14d
  test   %ecx,%ecx
  je     L160
  mov    %rdi,%rbx
  mov    %rsi,%rdi
  call   <strlen@plt>
  mov    %r12,%rdi
  mov    %eax,%r15d
  call   <strlen@plt>
  mov    %rbx,%rdi
  mov    %eax,0x4(%rsp)
  call   <strlen@plt>
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  mov    %eax,%r13d
  call   <countWordInBuff@plt>
  test   %r14d,%r14d
  jle    L104
  cmp    %eax,%r14d
  jg     L104
  mov    %r14d,%eax
L50:
  mov    0x4(%rsp),%edx
  sub    %r15d,%edx
  imul   %edx,%eax
  lea    0x1(%r13,%rax,1),%edi
  call   <malloc@plt>
  xor    %r8d,%r8d
  mov    $0x86,%edi
  lea    D8(%rip),%rdx
  mov    %rax,%rcx
  lea    D9(%rip),%rsi
  mov    %rax,0x8(%rsp)
  call   <printOpt@plt>
  mov    0x8(%rsp),%r10
  test   %r10,%r10
  je     L160
  test   %r13d,%r13d
  jle    L210
  movslq 0x4(%rsp),%rcx
  xor    %r9d,%r9d
  xor    %esi,%esi
  xor    %edx,%edx
  xor    %eax,%eax
  xor    %r11d,%r11d
  lea    (%r10,%rcx,1),%rdi
  mov    %rdi,0x8(%rsp)
  jmp    L37
  nopl   (%rax)
L82:
  movslq %esi,%rcx
  add    $0x1,%esi
  add    %r10,%rcx
  test   %edx,%edx
  jle    L167
  test   %r8b,%r8b
  je     L167
  movslq %r11d,%rax
  xor    %edx,%edx
  movzbl (%rbx,%rax,1),%eax
  mov    %al,(%rcx)
  mov    %r11d,%eax
L163:
  add    $0x1,%eax
  cmp    %eax,%r13d
  jle    L186
L37:
  movslq %eax,%rcx
  cmp    %edx,%r15d
  movzbl (%rbx,%rcx,1),%edi
  movslq %edx,%rcx
  setg   %r8b
  cmp    0x0(%rbp,%rcx,1),%dil
  jne    L82
  cmp    %r14d,%r9d
  jae    L82
  test   %r8b,%r8b
  je     L82
  test   %edx,%edx
  jne    L17
  cmp    $0x1,%r15d
  jle    L17
  mov    %eax,%r11d
  add    $0x1,%eax
  mov    $0x1,%edx
  cmp    %eax,%r13d
  jg     L37
  nopl   0x0(%rax)
L186:
  movslq %esi,%rsi
  add    %r10,%rsi
L65:
  movb   $0x0,(%rsi)
  jmp    L138
  nopl   0x0(%rax,%rax,1)
L104:
  test   %eax,%eax
  jne    L50
L160:
  xor    %r10d,%r10d
L138:
  add    $0x18,%rsp
  mov    %r10,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L167:
  mov    %dil,(%rcx)
  xor    %edx,%edx
  jmp    L163
  nopw   0x0(%rax,%rax,1)
L17:
  add    $0x1,%edx
  cmp    %r15d,%edx
  jne    L163
  mov    0x4(%rsp),%edx
  test   %edx,%edx
  jle    L120
  mov    0x8(%rsp),%rdi
  movslq %esi,%rdx
  lea    (%rdi,%rdx,1),%r8
  add    %r10,%rdx
  mov    %r12,%rdi
  sub    %rdx,%rdi
  nopl   0x0(%rax)
L229:
  movzbl (%rdi,%rdx,1),%ecx
  add    $0x1,%rdx
  mov    %cl,-0x1(%rdx)
  cmp    %r8,%rdx
  jne    L229
  mov    0x4(%rsp),%edi
  add    %edi,%esi
  lea    0x1(%rdi),%edx
L16:
  add    $0x1,%r9d
  jmp    L163
  nopw   0x0(%rax,%rax,1)
L90:
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L210:
  mov    %r10,%rsi
  jmp    L65
L120:
  mov    $0x1,%edx
  jmp    L16
```

tool_calls: name: read_data
arguments: data_label: D8
datatype: string
name: read_data
arguments: data_label: D9
datatype: string

tool: D8: replaceWord.c

tool: D9: replaceNWord

assistant: ```c
char *replaceNWord(const char *buffer, const char *old, const char *nw, int count) {
  int numOldWord = 0;
  int firstPos = 0;
  int index = 0, index2 = 0, index3 = 0;
  int numRep = 0;
  char *newBuff = NULL;
  int sizeOldBuff = 0;
  int sizeOldWord = 0;
  int sizeNewBuff = 0;
  int sizeNewWord = 0;
  char fact1 = 0;
  if (buffer == NULL || old == NULL || nw == NULL || count == 0) {
    return NULL;
  } else {
  }
  sizeOldWord = strlen(old);
  sizeNewWord = strlen(nw);
  sizeOldBuff = strlen(buffer);
  numOldWord = countWordInBuff(buffer, old);
  if (count > 0 && count <= numOldWord) {
    numOldWord = count;
  } else {
  }
  if (numOldWord == 0) {
    return 0;
  } else {
  }
  sizeNewBuff = 1 + sizeOldBuff + (sizeNewWord - sizeOldWord) * numOldWord;
  newBuff = (char *)malloc(sizeof(char) * sizeNewBuff);
  printOpt(135 - 1, "replaceNWord", "replaceWord.c", (void *)newBuff, 0);
  if (newBuff == NULL) {
    return NULL;
  } else {
  }
  for (index = 0; index < sizeOldBuff; index++) {
    fact1 = (numRep < count) || count < 0;
    if (buffer[index] == old[index2] && index2 < sizeOldWord && fact1) {
      if (index2 == 0 && sizeOldWord > 1) {
        firstPos = index;
      } else if (index2 + 1 == sizeOldWord) {
        for (index2 = 0; index2 < sizeNewWord; index2++) {
          newBuff[index3++] = nw[index2];
        }
        numRep++;
      } else {
      }
      index2++;
    } else if (index2 < sizeOldWord && index2 > 0) {
      index = firstPos;
      index2 = 0;
      newBuff[index3++] = buffer[index];
    } else {
      newBuff[index3++] = buffer[index];
      index2 = 0;
    }
  }
  newBuff[index3] = '\0';
  return newBuff;
}
```