user: 这段汇编代码用C语言表示是什么样的:

```asm
<unicode_to_glyphs>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x48,%rsp
  mov    %rdi,-0x58(%rbp)
  mov    %rsi,%r13
  mov    %edx,-0x5c(%rbp)
  mov    %rcx,-0x48(%rbp)
  mov    %r8d,%ebx
  mov    %r9d,-0x60(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  movslq %r8d,%rdx
  shl    $0x2,%rdx
  lea    0xf(%rdx),%rax
  mov    %rax,%rsi
  and    $0xfffffffffffffff0,%rsi
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rcx
  sub    %rax,%rcx
L74:
  cmp    %rcx,%rsp
  je     L182
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L74
L182:
  mov    %rsi,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L158
  orq    $0x0,-0x8(%rsp,%rax,1)
L158:
  mov    %rsp,%r12
  lea    0xf(%rdx),%rax
  mov    %rax,%rsi
  and    $0xfffffffffffffff0,%rsi
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rcx
  sub    %rax,%rcx
L225:
  cmp    %rcx,%rsp
  je     L50
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L225
L50:
  mov    %rsi,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L98
  orq    $0x0,-0x8(%rsp,%rax,1)
L98:
  mov    %rsp,-0x50(%rbp)
  add    $0xf,%rdx
  mov    %rdx,%rcx
  and    $0xfffffffffffffff0,%rcx
  and    $0xfffffffffffff000,%rdx
  mov    %rsp,%rax
  sub    %rdx,%rax
L33:
  cmp    %rax,%rsp
  je     L167
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L33
L167:
  mov    %rcx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L217
  orq    $0x0,-0x8(%rsp,%rax,1)
L217:
  mov    %rsp,%r15
  mov    %ebx,%esi
  mov    -0x48(%rbp),%rdi
  call   <unicode_classify@plt>
  mov    %eax,%r14d
  mov    -0x60(%rbp),%eax
  or     %r14d,%eax
  je     L51
  mov    %ebx,%edx
  mov    $0x0,%eax
  test   %ebx,%ebx
  jle    L152
L163:
  mov    %eax,(%r12,%rax,4)
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L163
L152:
  lea    0x0(,%rbx,4),%eax
  mov    %eax,-0x64(%rbp)
  mov    %eax,%edx
  mov    -0x48(%rbp),%rsi
  mov    %r15,%rdi
  call   <memcpy@plt>
  mov    %ebx,-0x48(%rbp)
  test   $0x1,%r14b
  jne    L118
L247:
  test   $0x2,%r14b
  jne    L25
L174:
  mov    -0x48(%rbp),%edx
  mov    -0x50(%rbp),%rsi
  mov    %r15,%rdi
  call   <unicode_ligature@plt>
  mov    %eax,%r14d
  mov    -0x50(%rbp),%rdx
  mov    %ebx,%esi
  mov    %r12,%rdi
  call   <compose_char_to_glyph@plt>
  cmpl   $0x0,-0x60(%rbp)
  jne    L55
L8:
  mov    -0x5c(%rbp),%eax
  cmp    %eax,%r14d
  cmovg  %eax,%r14d
  lea    0x0(,%r14,4),%edx
  mov    %r15,%rsi
  mov    -0x58(%rbp),%rdi
  call   <memcpy@plt>
  test   %r13,%r13
  je     L203
  mov    -0x64(%rbp),%edx
  mov    %r12,%rsi
  mov    %r13,%rdi
  call   <memcpy@plt>
L203:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L213
  mov    %r14d,%eax
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L51:
  mov    -0x5c(%rbp),%eax
  cmp    %eax,%ebx
  mov    %eax,%r14d
  cmovle %ebx,%r14d
  lea    0x0(,%r14,4),%edx
  mov    -0x48(%rbp),%rsi
  mov    -0x58(%rbp),%rdi
  call   <memcpy@plt>
  test   %r13,%r13
  je     L203
  test   %r14d,%r14d
  jle    L203
  mov    %r14d,%edx
  mov    $0x0,%eax
L129:
  mov    %eax,0x0(%r13,%rax,4)
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L129
  jmp    L203
L118:
  mov    %ebx,%edx
  mov    -0x50(%rbp),%rsi
  mov    %r15,%rdi
  call   <arab_join@plt>
  mov    %eax,-0x48(%rbp)
  jmp    L247
L25:
  mov    -0x48(%rbp),%edx
  mov    -0x50(%rbp),%r14
  mov    %r14,%rsi
  mov    %r15,%rdi
  call   <devanagari_log2vis@plt>
  mov    %eax,-0x48(%rbp)
  mov    %r14,%rdx
  mov    %ebx,%esi
  mov    %r12,%rdi
  call   <compose_char_to_glyph@plt>
  jmp    L174
L55:
  mov    %r14d,%esi
  mov    %r15,%rdi
  call   <bidi_reverse_buf@plt>
  test   %ebx,%ebx
  jle    L8
  mov    %r12,%rax
  mov    %ebx,%ebx
  lea    (%r12,%rbx,4),%rsi
  lea    -0x1(%r14),%ecx
L6:
  mov    %ecx,%edx
  sub    (%rax),%edx
  mov    %edx,(%rax)
  add    $0x4,%rax
  cmp    %rsi,%rax
  jne    L6
  jmp    L8
L213:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int unicode_to_glyphs(unsigned int *dst, unsigned int *char_to_glyph_pos, int dst_size, unsigned int *src, int src_size, int reverse) {
  int len, i;
  unsigned int ctog[src_size];
  unsigned int ctog1[src_size];
  unsigned int buf[src_size];
  int unicode_class;
  unicode_class = unicode_classify(src, src_size);
  if (unicode_class == 0 && !reverse) {
    len = src_size;
    if (len > dst_size)
      len = dst_size;
    memcpy(dst, src, len * sizeof(unsigned int));
    if (char_to_glyph_pos) {
      for (i = 0; i < len; i++)
        char_to_glyph_pos[i] = i;
    }
    return len;
  } else {
    len = src_size;
    for (i = 0; i < len; i++)
      ctog[i] = i;
    memcpy(buf, src, len * sizeof(int));
    if (unicode_class & 0x00000001) {
      len = arab_join(buf, ctog1, len);
    }
    if (unicode_class & 0x00000002) {
      len = devanagari_log2vis(buf, ctog1, len);
      compose_char_to_glyph(ctog, src_size, ctog1);
    }
    len = unicode_ligature(buf, ctog1, len);
    compose_char_to_glyph(ctog, src_size, ctog1);
    if (reverse) {
      bidi_reverse_buf(buf, len);
      for (i = 0; i < src_size; i++) {
        ctog[i] = len - 1 - ctog[i];
      }
    }
    if (len > dst_size)
      len = dst_size;
    memcpy(dst, buf, len * sizeof(unsigned int));
    if (char_to_glyph_pos) {
      memcpy(char_to_glyph_pos, ctog, src_size * sizeof(unsigned int));
    }
  }
  return len;
}
```