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

```asm
<SelfWithRowColumnConvert>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  mov    %r13,%r14
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  call   <strlen@plt>
  lea    0x2(%rax,%rax,1),%edi
  call   <malloc@plt>
  mov    %r13,0x8(%rsp)
  mov    %r13,%rdx
  xor    %ecx,%ecx
  mov    %rax,%r12
  add    $0x9,%rax
L260:
  lea    0x3(%rcx),%ebx
  movzbl (%rdx),%edi
  mov    %ecx,%esi
  lea    0x1(%rcx),%r8d
  mov    %ebx,0x4(%rsp)
  lea    0x4(%rcx),%ebx
  lea    0x2(%rcx),%ebp
  mov    %ebx,(%rsp)
  lea    0x5(%rcx),%r13d
  cmp    $0xa,%dil
  je     L178
  test   %dil,%dil
  je     L178
  mov    %dil,-0x9(%rax)
  movzbl 0x1(%rdx),%edi
  lea    0x6(%rcx),%r15d
  cmp    $0xa,%dil
  je     L206
  test   %dil,%dil
  je     L206
  mov    %dil,-0x8(%rax)
  movzbl 0x2(%rdx),%edi
  lea    0x7(%rcx),%r8d
  cmp    $0xa,%dil
  je     L87
  test   %dil,%dil
  je     L87
  mov    %dil,-0x7(%rax)
  movzbl 0x3(%rdx),%edi
  lea    0x8(%rcx),%r9d
  cmp    $0xa,%dil
  je     L180
  test   %dil,%dil
  je     L180
  mov    %dil,-0x6(%rax)
  movzbl 0x4(%rdx),%edi
  lea    0x9(%rcx),%r10d
  cmp    $0xa,%dil
  je     L166
  test   %dil,%dil
  je     L166
  mov    %dil,-0x5(%rax)
  movzbl 0x5(%rdx),%edi
  cmp    $0xa,%dil
  je     L31
  test   %dil,%dil
  je     L31
  mov    %dil,-0x4(%rax)
  movzbl 0x6(%rdx),%edi
  cmp    $0xa,%dil
  je     L240
  test   %dil,%dil
  je     L240
  mov    %dil,-0x3(%rax)
  movzbl 0x7(%rdx),%edi
  cmp    $0xa,%dil
  je     L196
  test   %dil,%dil
  je     L196
  mov    %dil,-0x2(%rax)
  movzbl 0x8(%rdx),%edi
  cmp    $0xa,%dil
  je     L59
  test   %dil,%dil
  je     L59
  mov    %dil,-0x1(%rax)
  movzbl 0x9(%rdx),%edi
  cmp    $0xa,%dil
  je     L80
  test   %dil,%dil
  je     L80
  mov    %dil,(%rax)
L251:
  add    $0xa,%rcx
  add    $0x5,%rdx
  add    $0x1,%r14
  add    $0xa,%rax
  cmp    $0x28,%rcx
  jne    L260
  mov    0x8(%rsp),%r13
  movb   $0x0,0x27(%r12)
  mov    %r13,%rdi
  call   <free@plt>
  add    $0x18,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L178:
  mov    %esi,%r8d
  mov    $0x1,%ebx
  mov    $0x5,%edi
  mov    $0x4,%r9d
  mov    $0x3,%r10d
  mov    $0x2,%r11d
  nopl   0x0(%rax,%rax,1)
L22:
  movslq %r8d,%r8
  add    %esi,%ebx
  add    %esi,%r11d
  add    %esi,%r10d
  movb   $0x7c,(%r12,%r8,1)
  movzbl (%r14),%r8d
  movslq %ebx,%rbx
  movslq %r11d,%r11
  movslq %r10d,%r10
  add    %esi,%r9d
  add    %esi,%edi
  mov    %r8b,(%r12,%rbx,1)
  movzbl 0x5(%r14),%r8d
  movslq %r9d,%r9
  movslq %edi,%rdi
  mov    %r8b,(%r12,%r11,1)
  movzbl 0xa(%r14),%r8d
  mov    %r8b,(%r12,%r10,1)
  movzbl 0xf(%r14),%r8d
  mov    %r8b,(%r12,%r9,1)
  movb   $0xa,(%r12,%rdi,1)
  jmp    L251
L206:
  mov    $0x5,%r9d
  mov    $0x4,%r10d
  mov    $0x3,%r11d
  mov    $0x2,%ebx
  mov    $0x6,%edi
  jmp    L22
L87:
  mov    %ebp,%r8d
  mov    $0x3,%ebx
  mov    $0x7,%edi
  mov    $0x6,%r9d
  mov    $0x5,%r10d
  mov    $0x4,%r11d
  jmp    L22
L180:
  mov    0x4(%rsp),%r8d
  mov    $0x4,%ebx
  mov    $0x8,%edi
  mov    $0x7,%r9d
  mov    $0x6,%r10d
  mov    $0x5,%r11d
  jmp    L22
L166:
  mov    (%rsp),%r8d
  mov    $0x5,%ebx
  mov    $0x9,%edi
  mov    $0x8,%r9d
  mov    $0x7,%r10d
  mov    $0x6,%r11d
  jmp    L22
L31:
  mov    %r13d,%r8d
  mov    $0x6,%ebx
  mov    $0xa,%edi
  mov    $0x9,%r9d
  mov    $0x8,%r10d
  mov    $0x7,%r11d
  jmp    L22
L240:
  mov    %r15d,%r8d
  mov    $0x7,%ebx
  mov    $0xb,%edi
  mov    $0xa,%r9d
  mov    $0x9,%r10d
  mov    $0x8,%r11d
  jmp    L22
L196:
  mov    $0xb,%r9d
  mov    $0xa,%r10d
  mov    $0x9,%r11d
  mov    $0x8,%ebx
  mov    $0xc,%edi
  jmp    L22
L59:
  mov    %r9d,%r8d
  mov    $0xb,%r10d
  mov    $0xc,%r9d
  mov    $0xa,%r11d
  mov    $0x9,%ebx
  mov    $0xd,%edi
  jmp    L22
L80:
  mov    %r10d,%r8d
  mov    $0xd,%r9d
  mov    $0xc,%r10d
  mov    $0xb,%r11d
  mov    $0xa,%ebx
  mov    $0xe,%edi
  jmp    L22
```

assistant: ```c
char *SelfWithRowColumnConvert(char *buffer) {
  char *matrix = (char *)malloc((strlen(buffer) + 1) * 2 * sizeof(char));
  for (int row = 0; row < 4; row++) {
    for (int col = 0; col < 5 * 2; col++) {
      if ((buffer[row * 5 + col] == '\n') || (buffer[row * 5 + col] == '\0')) {
        matrix[row * 5 * 2 + col] = '|';
        col++;
        for (int i = 0; i < 5 - 1; i++, col++) {
          matrix[row * 5 * 2 + col] = buffer[i * 5 + row];
        }
        matrix[row * 5 * 2 + col] = '\n';
        break;
      }
      matrix[row * 5 * 2 + col] = buffer[row * 5 + col];
    }
  }
  matrix[4 * 5 * 2 - 1] = '\0';
  free(buffer);
  return matrix;
}
```