user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<transpose>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edx,-0xc(%rsp)
  mov    %ecx,-0x2c(%rsp)
  test   %edx,%edx
  jle    L277
  imul   %r8d,%ecx
  mov    %r9d,%r11d
  mov    %ecx,%edx
  mov    $0x1,%ecx
  imul   %r9d,%edx
  sub    %edx,%ecx
  sub    %r9d,%edx
  mov    %ecx,-0x14(%rsp)
  mov    %edx,-0x10(%rsp)
  test   %r9d,%r9d
  jle    L277
  mov    %rdi,%r10
  mov    %rsi,%rax
  cmp    $0x1,%r9d
  jne    L63
  mov    %r8d,%r14d
  mov    %r8d,%edx
  lea    -0x1(%r8),%r13d
  xor    %r11d,%r11d
  and    $0xfffffff0,%r14d
  shr    $0x4,%edx
  movl   $0x0,-0x18(%rsp)
  mov    %r14d,%ebx
  lea    -0x1(%rdx),%r9d
  mov    %rbx,-0x28(%rsp)
  mov    %r8d,%ebx
  add    $0x1,%r9
  sub    %r14d,%ebx
  shl    $0x4,%r9
  mov    %ebx,-0x20(%rsp)
  sub    $0x1,%ebx
  mov    %ebx,-0x1c(%rsp)
L41:
  mov    -0x2c(%rsp),%edx
  test   %edx,%edx
  jle    L195
  xor    %ebx,%ebx
  mov    %r13d,%r12d
  nopl   0x0(%rax,%rax,1)
L257:
  test   %r8d,%r8d
  jle    L223
  movslq %r11d,%rdx
  mov    %rax,%rcx
  lea    0x1(%r10,%rdx,1),%rsi
  sub    %rsi,%rcx
  cmp    $0xe,%rcx
  jbe    L85
  cmp    $0x6,%r13d
  jbe    L85
  cmp    $0xe,%r13d
  jbe    L59
  add    %r10,%rdx
  xor    %ecx,%ecx
  nopw   0x0(%rax,%rax,1)
L45:
  movdqu (%rdx,%rcx,1),%xmm0
  movups %xmm0,(%rax,%rcx,1)
  add    $0x10,%rcx
  cmp    %r9,%rcx
  jne    L45
  mov    -0x28(%rsp),%rdi
  lea    (%r11,%r14,1),%ecx
  add    %rax,%rdi
  cmp    %r14d,%r8d
  je     L9
  cmpl   $0x6,-0x1c(%rsp)
  mov    -0x20(%rsp),%ebp
  jbe    L61
  mov    %r14d,%r15d
  mov    %r14d,%esi
L101:
  mov    (%rdx,%r15,1),%rdx
  mov    %rdx,(%rax,%r15,1)
  mov    %ebp,%edx
  and    $0xfffffff8,%edx
  mov    %edx,%r15d
  add    %edx,%ecx
  add    %edx,%esi
  add    %r15,%rdi
  cmp    %edx,%ebp
  je     L9
L6:
  movslq %ecx,%rdx
  lea    0x1(%rsi),%ebp
  movzbl (%r10,%rdx,1),%edx
  mov    %dl,(%rdi)
  lea    0x1(%rcx),%edx
  cmp    %ebp,%r8d
  jle    L9
  movslq %edx,%rdx
  lea    0x2(%rsi),%ebp
  movzbl (%r10,%rdx,1),%edx
  mov    %dl,0x1(%rdi)
  lea    0x2(%rcx),%edx
  cmp    %ebp,%r8d
  jle    L9
  movslq %edx,%rdx
  lea    0x3(%rsi),%ebp
  movzbl (%r10,%rdx,1),%edx
  mov    %dl,0x2(%rdi)
  lea    0x3(%rcx),%edx
  cmp    %ebp,%r8d
  jle    L9
  movslq %edx,%rdx
  lea    0x4(%rsi),%ebp
  movzbl (%r10,%rdx,1),%edx
  mov    %dl,0x3(%rdi)
  lea    0x4(%rcx),%edx
  cmp    %ebp,%r8d
  jle    L9
  movslq %edx,%rdx
  lea    0x5(%rsi),%ebp
  movzbl (%r10,%rdx,1),%edx
  mov    %dl,0x4(%rdi)
  lea    0x5(%rcx),%edx
  cmp    %ebp,%r8d
  jle    L9
  movslq %edx,%rdx
  add    $0x6,%esi
  add    $0x6,%ecx
  movzbl (%r10,%rdx,1),%edx
  mov    %dl,0x5(%rdi)
  cmp    %esi,%r8d
  jle    L9
  movslq %ecx,%rcx
  movzbl (%r10,%rcx,1),%edx
  mov    %dl,0x6(%rdi)
L9:
  lea    0x1(%rax,%r12,1),%rax
  lea    0x1(%r11,%r13,1),%r11d
L223:
  add    $0x1,%ebx
  cmp    %ebx,-0x2c(%rsp)
  jne    L257
L195:
  addl   $0x1,-0x18(%rsp)
  add    -0x14(%rsp),%r11d
  mov    -0x18(%rsp),%ebx
  add    -0x10(%rsp),%r11d
  cmp    %ebx,-0xc(%rsp)
  jne    L41
L277:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L85:
  xor    %ecx,%ecx
  add    %r10,%rdx
  nopl   (%rax)
L24:
  movzbl (%rdx,%rcx,1),%esi
  mov    %sil,(%rax,%rcx,1)
  mov    %rcx,%rsi
  add    $0x1,%rcx
  cmp    %r12,%rsi
  jne    L24
  jmp    L9
L59:
  mov    %r8d,%ebp
  mov    %r11d,%ecx
  mov    %rax,%rdi
  xor    %r15d,%r15d
  xor    %esi,%esi
  add    %r10,%rdx
  jmp    L101
L61:
  mov    %r14d,%esi
  jmp    L6
L63:
  lea    -0x1(%r8),%edx
  mov    -0x2c(%rsp),%r14d
  xor    %r13d,%r13d
  xor    %edi,%edi
  mov    %edx,%ebp
  movslq %r9d,%rsi
  lea    0x1(%rdx),%rbx
  imul   %r9d,%ebp
L87:
  xor    %r15d,%r15d
L161:
  xor    %r12d,%r12d
  test   %r14d,%r14d
  jle    L280
  nopw   0x0(%rax,%rax,1)
L287:
  movslq %edi,%rdx
  lea    (%rax,%rbx,1),%r9
  add    %r10,%rdx
  test   %r8d,%r8d
  jle    L210
  nopw   0x0(%rax,%rax,1)
L16:
  movzbl (%rdx),%ecx
  add    $0x1,%rax
  add    %rsi,%rdx
  mov    %cl,-0x1(%rax)
  cmp    %r9,%rax
  jne    L16
  add    %r11d,%edi
  add    %ebp,%edi
L210:
  add    $0x1,%r12d
  cmp    %r12d,%r14d
  jne    L287
L280:
  add    $0x1,%r15d
  add    -0x14(%rsp),%edi
  cmp    %r15d,%r11d
  jne    L161
  add    -0x10(%rsp),%edi
  add    $0x1,%r13d
  cmp    %r13d,-0xc(%rsp)
  jne    L87
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void transpose(char *a, char *b, int ho, int hi, int w, int c) {
  int idx = 0;
  for (int i = 0; i < ho; i++) {
    for (int l = 0; l < c; l++) {
      for (int j = 0; j < hi; j++) {
        for (int k = 0; k < w; k++) {
          *b++ = a[idx];
          idx += c;
        }
      }
      idx += 1 - hi * w * c;
    }
    idx += hi * w * c - c;
  }
}
```