user: What is the c source code of the assembly code below:

```asm
<dfs>:
  endbr64
  push   %r15
  mov    %r9,%r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x148,%rsp
  mov    %ecx,0xf0(%rsp)
  mov    0x188(%rsp),%rbp
  mov    0x198(%rsp),%r14
  test   %ecx,%ecx
  je     L284
  mov    %ecx,%eax
  movslq %esi,%rcx
  mov    %rdi,%rbx
  cmp    %eax,(%rdi,%rcx,4)
  jg     L706
  mov    %edx,%r12d
  cmp    %edx,%esi
  jge    L12
  movslq 0x190(%rsp),%r10
  mov    0x190(%rsp),%edx
  shl    $0x2,%r10
  lea    (%r14,%r10,1),%rax
  lea    0x4(%r14,%r10,1),%rdi
  mov    %rax,0x110(%rsp)
  mov    0x190(%rsp),%eax
  mov    %rdi,0x100(%rsp)
  add    $0x1,%eax
  mov    %eax,0x120(%rsp)
  lea    0x2(%rdx),%eax
  movslq %eax,%r10
  mov    %eax,0xf4(%rsp)
  lea    (%r14,%r10,4),%rdi
  mov    %rdi,0xe0(%rsp)
  lea    0x3(%rdx),%edi
  movslq %edi,%r10
  mov    %edi,0xdc(%rsp)
  lea    (%r14,%r10,4),%rdx
  mov    %rdx,0xc8(%rsp)
  mov    0x190(%rsp),%edx
  add    $0x4,%edx
  movslq %edx,%r10
  mov    %edx,0xc4(%rsp)
  lea    (%r14,%r10,4),%r11
  mov    %r11,0xb0(%rsp)
  mov    0x190(%rsp),%r11d
  add    $0x5,%r11d
  movslq %r11d,%r10
  mov    %r11d,0xa4(%rsp)
  lea    (%r14,%r10,4),%r9
  mov    %r9,0x88(%rsp)
  mov    0x190(%rsp),%r9d
  add    $0x6,%r9d
  movslq %r9d,%r10
  mov    %r9d,0x90(%rsp)
  lea    (%r14,%r10,4),%r10
  mov    %r10,0x70(%rsp)
  mov    0x190(%rsp),%r10d
  lea    0x7(%r10),%r13d
  movslq %r13d,%r10
  mov    %r13d,0x64(%rsp)
  lea    (%r14,%r10,4),%r10
  mov    %r10,0x38(%rsp)
  mov    0x190(%rsp),%r10d
  add    $0x8,%r10d
  mov    %r10d,0x48(%rsp)
  movslq %r10d,%r10
  lea    (%r14,%r10,4),%r10
  mov    %r10,0x10(%rsp)
  lea    -0x1(%r12),%r10d
  mov    %r10d,0x124(%rsp)
  sub    %esi,%r10d
  lea    0x1(%rcx),%rsi
  mov    %rsi,0xe8(%rsp)
  add    %rsi,%r10
  mov    %r13d,%esi
  lea    0x4(,%rsi,4),%r13
  mov    %r9d,%esi
  mov    %r10,0x118(%rsp)
  lea    0x4(,%rsi,4),%rsi
  mov    %rsi,0xb8(%rsp)
  mov    %r11d,%esi
  lea    0x4(,%rsi,4),%rsi
  mov    %rsi,0xd0(%rsp)
  mov    %edx,%esi
  lea    0x4(,%rsi,4),%rdx
  mov    %edi,%esi
  lea    0x4(,%rsi,4),%rdi
  mov    %eax,%esi
  mov    %rdx,0xf8(%rsp)
  mov    %rdi,0x108(%rsp)
  lea    0x4(,%rsi,4),%rdi
  mov    %rdi,0x128(%rsp)
  mov    0x120(%rsp),%esi
  mov    %rbx,%rdi
  mov    %r13,%rbx
  mov    %rdi,%r13
  lea    0x4(,%rsi,4),%rax
  mov    0x190(%rsp),%esi
  mov    %rax,0x130(%rsp)
  lea    0x4(,%rsi,4),%rax
  mov    %rax,0x138(%rsp)
  mov    0x190(%rsp),%eax
  add    $0x9,%eax
  mov    %eax,0x20(%rsp)
  mov    %r14,%rax
  mov    %r12d,%r14d
  mov    %rbp,%r12
  mov    %r15,%rbp
  mov    %r8,%r15
L730:
  mov    0x0(%r13,%rcx,4),%esi
  mov    0xf0(%rsp),%edi
  mov    0x110(%rsp),%rdx
  sub    %esi,%edi
  mov    %esi,(%rdx)
  mov    %edi,0xd8(%rsp)
  je     L213
  mov    %rcx,0x98(%rsp)
  cmp    0xd8(%rsp),%esi
  jg     L1
  mov    %rbp,%rdx
  mov    %r13,%rbp
  mov    %r15,%r13
  mov    %rbx,%r15
  mov    %rdx,%rbx
L399:
  mov    0x98(%rsp),%rdi
  mov    0x100(%rsp),%rdx
  mov    0x0(%rbp,%rdi,4),%ecx
  mov    0xd8(%rsp),%edi
  sub    %ecx,%edi
  mov    %ecx,(%rdx)
  mov    %edi,0xc0(%rsp)
  je     L345
  cmp    0xc0(%rsp),%ecx
  jg     L397
  mov    0x98(%rsp),%rdx
  mov    0x124(%rsp),%edi
  sub    %edx,%edi
  mov    %rdx,0xa8(%rsp)
  mov    %edi,0x94(%rsp)
  cmp    %edx,%r14d
  jle    L165
  mov    %r12,0x188(%rsp)
  mov    %rbx,%r12
  mov    %rbp,%rbx
  mov    %r13,%rbp
  mov    0x188(%rsp),%r13
L91:
  mov    0xa8(%rsp),%rdx
  mov    0xe0(%rsp),%rdi
  mov    (%rbx,%rdx,4),%ecx
  mov    0xc0(%rsp),%edx
  sub    %ecx,%edx
  mov    %ecx,(%rdi)
  mov    %edx,0xa0(%rsp)
  je     L111
  cmp    0xa0(%rsp),%ecx
  jg     L108
  mov    0x94(%rsp),%edi
  mov    0xa8(%rsp),%rdx
  mov    %edi,0x78(%rsp)
  mov    %rdx,0x80(%rsp)
  cmp    %edx,%r14d
  jle    L256
  mov    %r12,%rdi
  mov    %rbp,%r12
  mov    %rdi,%rbp
L63:
  mov    0x80(%rsp),%rdi
  mov    0xa0(%rsp),%edx
  mov    (%rbx,%rdi,4),%ecx
  mov    0xc8(%rsp),%rdi
  sub    %ecx,%edx
  mov    %ecx,(%rdi)
  mov    %edx,0x7c(%rsp)
  je     L600
  cmp    0x7c(%rsp),%ecx
  jg     L390
  mov    0x78(%rsp),%edi
  mov    0x80(%rsp),%rdx
  mov    %edi,0x4c(%rsp)
  mov    %rdx,0x68(%rsp)
  cmp    %edx,%r14d
  jle    L25
  mov    %rbx,%rdx
  mov    %rbp,%rdi
  mov    %r15,%rbx
  mov    %r12,%rbp
  mov    %rdx,%r15
  mov    %rdi,%r12
L543:
  mov    0x68(%rsp),%rdx
  mov    0xb0(%rsp),%rdi
  mov    (%r15,%rdx,4),%ecx
  mov    %ecx,(%rdi)
  mov    0x7c(%rsp),%edi
  sub    %ecx,%edi
  mov    %edi,0x60(%rsp)
  je     L374
  cmp    0x60(%rsp),%ecx
  jg     L20
  mov    0x4c(%rsp),%edi
  mov    %rdx,0x40(%rsp)
  mov    %edi,0x1c(%rsp)
  cmp    %edx,%r14d
  jle    L227
  mov    %r14d,%edi
  mov    %rbp,%r8
  mov    %r15,%r14
  mov    %rax,%rbp
  mov    %rbx,%r15
  mov    %edi,%ebx
L66:
  mov    0x40(%rsp),%rax
  mov    (%r14,%rax,4),%ecx
  mov    0x88(%rsp),%rax
  mov    %ecx,(%rax)
  mov    0x60(%rsp),%eax
  sub    %ecx,%eax
  mov    %eax,0x24(%rsp)
  je     L750
  cmp    0x24(%rsp),%ecx
  jg     L422
  mov    0x1c(%rsp),%eax
  mov    %eax,0xc(%rsp)
  mov    0x40(%rsp),%rax
  mov    %rax,%r10
  cmp    %eax,%ebx
  jle    L143
  mov    %r14,%rax
  mov    %ebx,%edx
  mov    %r10,%r14
L148:
  mov    (%rax,%r14,4),%ecx
  mov    0x70(%rsp),%rbx
  mov    %ecx,(%rbx)
  mov    0x24(%rsp),%ebx
  sub    %ecx,%ebx
  mov    %ebx,0x18(%rsp)
  je     L241
  lea    0x1(%r14),%rbx
  cmp    0x18(%rsp),%ecx
  mov    %rbx,0x28(%rsp)
  jg     L561
  cmp    %r14d,%edx
  jle    L204
  mov    0xc(%rsp),%ecx
  mov    %r15,0x58(%rsp)
  mov    %rbp,%r10
  mov    %edx,%r15d
  mov    %rax,%rbp
  add    %rbx,%rcx
  mov    %rcx,0x30(%rsp)
L182:
  mov    0x0(%rbp,%r14,4),%ecx
  mov    0x38(%rsp),%rax
  mov    %ecx,(%rax)
  mov    0x18(%rsp),%eax
  sub    %ecx,%eax
  mov    %eax,0x8(%rsp)
  je     L486
  mov    %r14,%rbx
  cmp    0x8(%rsp),%ecx
  jg     L628
  mov    %r10,0x198(%rsp)
  mov    %r14,0x50(%rsp)
  mov    %rbp,%r14
  mov    %r8,%rbp
L45:
  mov    (%r14,%rbx,4),%ecx
  mov    0x10(%rsp),%rax
  mov    %ebx,%esi
  mov    %r12,%r9
  mov    0x8(%rsp),%r10d
  mov    %rbp,%r8
  mov    %r15d,%edx
  mov    %r14,%rdi
  mov    %ecx,(%rax)
  add    $0x1,%rbx
  push   0x198(%rsp)
  mov    0x28(%rsp),%eax
  sub    %ecx,%r10d
  mov    %r10d,%ecx
  push   %rax
  push   %r13
  push   0x198(%rsp)
  call   <dfs>
  add    $0x20,%rsp
  cmp    %ebx,%r15d
  jg     L45
  mov    0x48(%rsp),%ecx
  mov    %rbp,%r8
  mov    0x198(%rsp),%r10
  mov    %r14,%rbp
  mov    0x50(%rsp),%r14
  test   %ecx,%ecx
  jne    L628
  mov    (%r12),%ecx
  mov    0x180(%rsp),%rax
  mov    %ecx,(%rax)
L628:
  lea    0x1(%r14),%ecx
  add    $0x1,%r14
  cmp    %r14,0x30(%rsp)
  jne    L182
  mov    %r15d,%edx
  mov    %rbp,%rax
  mov    0x58(%rsp),%r15
  mov    %r10,%rbp
  movslq %ecx,%rdi
  cmp    %ecx,%edx
  jle    L204
  mov    0x18(%rsp),%r10d
  mov    0x38(%rsp),%rbx
  mov    0x48(%rsp),%r11d
  nopl   (%rax)
L53:
  mov    (%rax,%rdi,4),%ecx
  mov    %r10d,%esi
  mov    %ecx,(%rbx)
  sub    %ecx,%esi
  je     L216
  cmp    %ecx,%esi
  jl     L641
  test   %r11d,%r11d
  jne    L641
  mov    (%r12),%ecx
  mov    0x180(%rsp),%rsi
  mov    %ecx,(%rsi)
L641:
  add    $0x1,%rdi
  cmp    %edi,%edx
  jg     L53
L204:
  mov    0x64(%rsp),%edi
  test   %edi,%edi
  jne    L561
  mov    (%r12),%ecx
  mov    0x180(%rsp),%rbx
  mov    %ecx,(%rbx)
L561:
  subl   $0x1,0xc(%rsp)
  mov    0xc(%rsp),%edi
  mov    0x28(%rsp),%r14
  cmp    $0xffffffff,%edi
  jne    L148
  mov    %rax,%r14
  mov    %edx,%ebx
L143:
  mov    0x90(%rsp),%r10d
  test   %r10d,%r10d
  jne    L422
  mov    (%r12),%ecx
  mov    0x180(%rsp),%rax
  mov    %ecx,(%rax)
L422:
  subl   $0x1,0x1c(%rsp)
  mov    0x1c(%rsp),%eax
  addq   $0x1,0x40(%rsp)
  cmp    $0xffffffff,%eax
  jne    L66
  mov    %ebx,%edx
  mov    %rbp,%rax
  mov    %r15,%rbx
  mov    %r8,%rbp
  mov    %r14,%r15
  mov    %edx,%r14d
L227:
  mov    0xa4(%rsp),%edx
  test   %edx,%edx
  jne    L20
  mov    (%r12),%ecx
  mov    0x180(%rsp),%rdx
  mov    %ecx,(%rdx)
L20:
  subl   $0x1,0x4c(%rsp)
  mov    0x4c(%rsp),%edi
  addq   $0x1,0x68(%rsp)
  cmp    $0xffffffff,%edi
  jne    L543
  mov    %r15,%rdx
  mov    %r12,%rdi
  mov    %rbx,%r15
  mov    %rbp,%r12
  mov    %rdx,%rbx
  mov    %rdi,%rbp
L25:
  mov    0xc4(%rsp),%edi
  test   %edi,%edi
  jne    L390
  mov    0x0(%rbp),%ecx
  mov    0x180(%rsp),%rdi
  mov    %ecx,(%rdi)
L390:
  subl   $0x1,0x78(%rsp)
  mov    0x78(%rsp),%edi
  addq   $0x1,0x80(%rsp)
  cmp    $0xffffffff,%edi
  jne    L63
  mov    %rbp,%rdx
  mov    %r12,%rbp
  mov    %rdx,%r12
L256:
  mov    0xdc(%rsp),%r9d
  test   %r9d,%r9d
  jne    L108
  mov    (%r12),%ecx
  mov    0x180(%rsp),%rdx
  mov    %ecx,(%rdx)
L108:
  subl   $0x1,0x94(%rsp)
  mov    0x94(%rsp),%edx
  addq   $0x1,0xa8(%rsp)
  cmp    $0xffffffff,%edx
  jne    L91
  mov    %r13,0x188(%rsp)
  mov    %rbp,%r13
  mov    %rbx,%rbp
  mov    %r12,%rbx
  mov    0x188(%rsp),%r12
L165:
  mov    0xf4(%rsp),%r11d
  test   %r11d,%r11d
  jne    L397
  mov    (%rbx),%ecx
  mov    0x180(%rsp),%rdx
  mov    %ecx,(%rdx)
L397:
  addq   $0x1,0x98(%rsp)
  mov    0x98(%rsp),%rdx
  cmp    %edx,%r14d
  jg     L399
  mov    0x120(%rsp),%edx
  mov    %rbx,%rdi
  mov    %r15,%rbx
  mov    %r13,%r15
  mov    %rbp,%r13
  mov    %rdi,%rbp
  test   %edx,%edx
  jne    L1
  mov    (%rdi),%ecx
  mov    0x180(%rsp),%rdi
  mov    %ecx,(%rdi)
L1:
  mov    0xe8(%rsp),%rdi
  mov    %rdi,%rcx
  cmp    %rdi,0x118(%rsp)
  je     L309
  lea    0x1(%rdi),%rdx
  mov    %rdx,0xe8(%rsp)
  jmp    L730
L284:
  movslq 0x190(%rsp),%rdi
  mov    0x190(%rsp),%r9d
  xor    %edx,%edx
  shl    $0x2,%rdi
  test   %r9d,%r9d
  jle    L761
  nop
L214:
  movslq (%r15),%rax
  mov    (%r14,%rdx,1),%ecx
  mov    0x0(%rbp,%rax,8),%rax
  mov    %ecx,(%rax,%rdx,1)
  add    $0x4,%rdx
  cmp    %rdx,%rdi
  jne    L214
L761:
  movslq (%r15),%rdx
  mov    (%r8),%rax
  mov    0x190(%rsp),%ebx
  mov    %ebx,(%rax,%rdx,4)
  addl   $0x1,(%r15)
L706:
  add    $0x148,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  xchg   %ax,%ax
L216:
  xor    %ecx,%ecx
  test   %r11d,%r11d
  jle    L406
  nopw   0x0(%rax,%rax,1)
L423:
  movslq (%r12),%rsi
  mov    0x0(%rbp,%rcx,1),%r9d
  mov    0x0(%r13,%rsi,8),%rsi
  mov    %r9d,(%rsi,%rcx,1)
  add    $0x4,%rcx
  cmp    %rcx,%r15
  jne    L423
L406:
  movslq (%r12),%rsi
  mov    (%r8),%rcx
  mov    %r11d,(%rcx,%rsi,4)
  addl   $0x1,(%r12)
  jmp    L641
L486:
  mov    0x48(%rsp),%esi
  xor    %ecx,%ecx
  test   %esi,%esi
  jle    L699
  mov    0x58(%rsp),%rsi
  nop
L691:
  movslq (%r12),%rax
  mov    (%r10,%rcx,1),%edx
  mov    0x0(%r13,%rax,8),%rax
  mov    %edx,(%rax,%rcx,1)
  add    $0x4,%rcx
  cmp    %rcx,%rsi
  jne    L691
L699:
  movslq (%r12),%rsi
  mov    (%r8),%rcx
  mov    0x48(%rsp),%eax
  mov    %eax,(%rcx,%rsi,4)
  addl   $0x1,(%r12)
  jmp    L628
  nopl   0x0(%rax)
L241:
  mov    0x64(%rsp),%r9d
  xor    %ecx,%ecx
  test   %r9d,%r9d
  jle    L176
  mov    0xb8(%rsp),%r9
  nopl   0x0(%rax)
L370:
  movslq (%r12),%rsi
  mov    0x0(%rbp,%rcx,1),%edi
  mov    0x0(%r13,%rsi,8),%rsi
  mov    %edi,(%rsi,%rcx,1)
  add    $0x4,%rcx
  cmp    %rcx,%r9
  jne    L370
L176:
  movslq (%r12),%rsi
  mov    (%r8),%rcx
  mov    0x64(%rsp),%ebx
  mov    %ebx,(%rcx,%rsi,4)
  lea    0x1(%r14),%rbx
  addl   $0x1,(%r12)
  mov    %rbx,0x28(%rsp)
  jmp    L561
  nopw   0x0(%rax,%rax,1)
L750:
  mov    0x90(%rsp),%r11d
  mov    0xd0(%rsp),%rsi
  xor    %ecx,%ecx
  test   %r11d,%r11d
  jle    L777
  nopw   0x0(%rax,%rax,1)
L441:
  movslq (%r12),%rax
  mov    0x0(%rbp,%rcx,1),%edx
  mov    0x0(%r13,%rax,8),%rax
  mov    %edx,(%rax,%rcx,1)
  add    $0x4,%rcx
  cmp    %rcx,%rsi
  jne    L441
L777:
  movslq (%r12),%rsi
  mov    (%r8),%rcx
  mov    0x90(%rsp),%eax
  mov    %eax,(%rcx,%rsi,4)
  addl   $0x1,(%r12)
  jmp    L422
  nopl   0x0(%rax)
L374:
  mov    0xa4(%rsp),%esi
  mov    0xf8(%rsp),%rdi
  xor    %ecx,%ecx
  test   %esi,%esi
  jle    L169
  nopl   (%rax)
L725:
  movslq (%r12),%rdx
  mov    (%rax,%rcx,1),%esi
  mov    0x0(%r13,%rdx,8),%rdx
  mov    %esi,(%rdx,%rcx,1)
  add    $0x4,%rcx
  cmp    %rcx,%rdi
  jne    L725
L169:
  movslq (%r12),%rsi
  mov    0x0(%rbp),%rcx
  mov    0xa4(%rsp),%edx
  mov    %edx,(%rcx,%rsi,4)
  addl   $0x1,(%r12)
  jmp    L20
  nopl   0x0(%rax)
L600:
  mov    0xc4(%rsp),%r8d
  mov    0x108(%rsp),%rdi
  xor    %ecx,%ecx
  test   %r8d,%r8d
  jle    L255
  nop
L475:
  movslq 0x0(%rbp),%rdx
  mov    (%rax,%rcx,1),%esi
  mov    0x0(%r13,%rdx,8),%rdx
  mov    %esi,(%rdx,%rcx,1)
  add    $0x4,%rcx
  cmp    %rcx,%rdi
  jne    L475
L255:
  movslq 0x0(%rbp),%rsi
  mov    (%r12),%rcx
  mov    0xc4(%rsp),%edi
  mov    %edi,(%rcx,%rsi,4)
  addl   $0x1,0x0(%rbp)
  jmp    L390
  nopl   0x0(%rax,%rax,1)
L111:
  mov    0xdc(%rsp),%r10d
  mov    0x128(%rsp),%rdi
  xor    %ecx,%ecx
  test   %r10d,%r10d
  jle    L159
  nop
L72:
  movslq (%r12),%rdx
  mov    (%rax,%rcx,1),%esi
  mov    0x0(%r13,%rdx,8),%rdx
  mov    %esi,(%rdx,%rcx,1)
  add    $0x4,%rcx
  cmp    %rcx,%rdi
  jne    L72
L159:
  movslq (%r12),%rsi
  mov    0x0(%rbp),%rcx
  mov    0xdc(%rsp),%edx
  mov    %edx,(%rcx,%rsi,4)
  addl   $0x1,(%r12)
  jmp    L108
L345:
  mov    0xf4(%rsp),%edx
  mov    0x130(%rsp),%rdi
  xor    %ecx,%ecx
  test   %edx,%edx
  jle    L119
  nopl   0x0(%rax)
L316:
  movslq (%rbx),%rdx
  mov    (%rax,%rcx,1),%esi
  mov    (%r12,%rdx,8),%rdx
  mov    %esi,(%rdx,%rcx,1)
  add    $0x4,%rcx
  cmp    %rcx,%rdi
  jne    L316
L119:
  movslq (%rbx),%rsi
  mov    0x0(%r13),%rcx
  mov    0xf4(%rsp),%edi
  mov    %edi,(%rcx,%rsi,4)
  addl   $0x1,(%rbx)
  jmp    L397
L213:
  mov    0x120(%rsp),%esi
  mov    0x138(%rsp),%rdi
  xor    %ecx,%ecx
  test   %esi,%esi
  jle    L443
  nopl   0x0(%rax)
L276:
  movslq 0x0(%rbp),%rdx
  mov    (%rax,%rcx,1),%esi
  mov    (%r12,%rdx,8),%rdx
  mov    %esi,(%rdx,%rcx,1)
  add    $0x4,%rcx
  cmp    %rdi,%rcx
  jne    L276
L443:
  movslq 0x0(%rbp),%rsi
  mov    (%r15),%rcx
  mov    0x120(%rsp),%edi
  mov    %edi,(%rcx,%rsi,4)
  addl   $0x1,0x0(%rbp)
  jmp    L1
L309:
  mov    %rbp,%r15
L12:
  mov    0x190(%rsp),%edi
  test   %edi,%edi
  jne    L706
  mov    (%r15),%eax
  mov    0x180(%rsp),%rbx
  mov    %eax,(%rbx)
  jmp    L706
```

assistant: ```c
void dfs(int *candidates, int pos, int candidatesSize, int target, int **columSizes, int *i, int *returnSize, int **ans, int dp, int *a) {
  if (target == 0) {
    for (int l = 0; l < dp; l++) {
      ans[*i][l] = a[l];
    }
    (*columSizes)[*i] = dp;
    (*i)++;
    return;
  }
  if (candidates[pos] > target) {
    return;
  }
  for (int l = pos; l < candidatesSize; l++) {
    a[dp] = candidates[l];
    dfs(candidates, l, candidatesSize, target - candidates[l], columSizes, i, returnSize, ans, dp + 1, a);
  }
  if (dp == 0) {
    *returnSize = *i;
  }
}
```