user: What would the C source look like for the assembly code provided here?

```asm
<generate_random_walk>:
  endbr64
  push   %r15
  xor    %r15d,%r15d
  push   %r14
  lea    D40(%rip),%r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  mov    $0x42,%r12d
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  sub    $0x28,%rsp
  movl   $0x2e2e2e2e,0x60(%rdi)
  movdqa D10(%rip),%xmm0
  movups %xmm0,(%rdi)
  movups %xmm0,0x10(%rdi)
  movups %xmm0,0x20(%rdi)
  movups %xmm0,0x30(%rdi)
  movups %xmm0,0x40(%rdi)
  movups %xmm0,0x50(%rdi)
  xor    %edi,%edi
  call   <time@plt>
  mov    %eax,%edi
  call   <srand@plt>
  movb   $0x41,0x0(%r13)
  jmp    L40
  nopl   (%rax)
L94:
  cmp    $0x1,%edx
  movslq %ebp,%rdx
  lea    0x5(%rdx,%rdx,4),%rbx
  jne    L66
  add    %rbx,%rbx
  xor    %ecx,%ecx
  test   %r15d,%r15d
  je     L269
  lea    -0x1(%r15),%r10d
  lea    -0xa(%r13,%rbx,1),%rax
  movslq %r15d,%rcx
  movslq %r10d,%r9
  cmpb   $0x2e,(%rax,%r9,1)
  je     L230
  nopl   (%rax)
L269:
  add    %r13,%rbx
  cmpb   $0x2e,(%rbx,%rcx,1)
  je     L168
L240:
  lea    (%rdx,%rdx,4),%rax
  lea    0x1(%r15),%edx
  lea    0x0(%r13,%rax,2),%rax
  movslq %edx,%rdx
  cmpb   $0x2e,(%rax,%rdx,1)
  je     L168
  mov    %rax,%rdi
L26:
  cmpb   $0x2e,-0xa(%rdi,%rcx,1)
  je     L168
  lea    -0x1(%r15),%edx
  movslq %edx,%rdx
  cmpb   $0x2e,(%rax,%rdx,1)
  jne    L144
L168:
  cmp    $0x5b,%r12b
  je     L144
L40:
  xor    %eax,%eax
  call   <rand@plt>
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  shr    $0x1e,%ecx
  lea    (%rax,%rcx,1),%edx
  and    $0x3,%edx
  sub    %ecx,%edx
  cmp    $0x2,%edx
  je     L34
  cmp    $0x3,%edx
  je     L13
  test   $0x3,%al
  jne    L94
  cmp    $0xa,%ebp
  je     L77
  movslq %ebp,%rdx
  movslq %r15d,%rcx
  lea    0x1(%rdx),%r9
  lea    (%r9,%r9,4),%rbx
  add    %rbx,%rbx
  lea    0x0(%r13,%rbx,1),%rax
  cmpb   $0x2e,(%rax,%rcx,1)
  jne    L240
  mov    %r12b,(%rax,%rcx,1)
  lea    0x1(%r12),%r10d
  add    $0x1,%ebp
  add    $0xa,%rbx
  lea    D14(%rip),%rdi
  mov    %rcx,0x8(%rsp)
  mov    %r9,0x18(%rsp)
  mov    %r10b,0x10(%rsp)
  call   <printf@plt>
  mov    0x18(%rsp),%rdx
  movzbl 0x10(%rsp),%r12d
  mov    0x8(%rsp),%rcx
  jmp    L269
L66:
  add    %rbx,%rbx
  movslq %r15d,%rcx
  jmp    L269
  nopl   (%rax)
L13:
  movslq %ebp,%rdx
  mov    $0x9,%ecx
  lea    0x5(%rdx,%rdx,4),%r10
  add    %r10,%r10
  mov    %r10,%rbx
  cmp    $0x9,%r15d
  je     L269
  lea    0x1(%r15),%r9d
  lea    -0xa(%r13,%r10,1),%rdi
  movslq %r9d,%rcx
  mov    %rdi,%rax
  cmpb   $0x2e,(%rdi,%rcx,1)
  je     L124
  movslq %r15d,%rcx
  add    %r13,%r10
  cmpb   $0x2e,(%r10,%rcx,1)
  jne    L26
  cmp    $0x5b,%r12b
  jne    L40
L144:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L34:
  test   %ebp,%ebp
  je     L131
  movslq %ebp,%rdx
  movslq %r15d,%rcx
  lea    (%rdx,%rdx,4),%rbx
  add    %rbx,%rbx
  lea    -0xa(%r13,%rbx,1),%rax
  cmpb   $0x2e,(%rax,%rcx,1)
  je     L10
  add    $0xa,%rbx
  jmp    L269
  nopl   0x0(%rax)
L131:
  mov    $0xa,%ebx
  xor    %edx,%edx
  movslq %r15d,%rcx
  jmp    L269
L77:
  mov    $0x6e,%ebx
  mov    $0xa,%edx
  movslq %r15d,%rcx
  jmp    L269
L124:
  mov    %r12b,(%rdi,%rcx,1)
  lea    0x1(%r12),%r15d
  mov    %r14,%rdi
  mov    %rdx,0x18(%rsp)
  mov    %r15d,%r12d
  mov    %rcx,0x8(%rsp)
  mov    %r9d,0x10(%rsp)
  call   <printf@plt>
  mov    0x10(%rsp),%r15d
  mov    0x8(%rsp),%rcx
  mov    0x18(%rsp),%rdx
  jmp    L269
L230:
  mov    %r12b,(%rax,%r9,1)
  lea    0x1(%r12),%r15d
  lea    D36(%rip),%rdi
  mov    %rdx,0x18(%rsp)
  mov    %r15d,%r12d
  mov    %r10d,0x10(%rsp)
  mov    %r9,0x8(%rsp)
  call   <printf@plt>
  mov    0x10(%rsp),%r15d
  mov    0x8(%rsp),%rcx
  mov    0x18(%rsp),%rdx
  jmp    L269
L10:
  mov    %r12b,(%rax,%rcx,1)
  sub    $0x1,%ebp
  lea    0x1(%r12),%r9d
  lea    D37(%rip),%rdi
  movslq %ebp,%rdx
  mov    %rcx,0x8(%rsp)
  mov    %rdx,0x10(%rsp)
  mov    %r9b,0x18(%rsp)
  call   <printf@plt>
  movzbl 0x18(%rsp),%r12d
  mov    0x8(%rsp),%rcx
  mov    0x10(%rsp),%rdx
  jmp    L269
```

tool_calls: name: read_data
arguments: tag: D40
data_type: string
name: read_data
arguments: tag: D10
data_type: byte[16]
name: read_data
arguments: tag: D14
data_type: string
name: read_data
arguments: tag: D36
data_type: string
name: read_data
arguments: tag: D37
data_type: string

tool: D40: rigth 

tool: {"D10": [0x2e,0x2e,0x2e,0x2e,0x2e,0x2e,0x2e,0x2e,0x2e,0x2e,0x2e,0x2e,0x2e,0x2e,0x2e,0x2e]}

tool: D14: down 

tool: D36: left 

tool: D37: up 

assistant: ```c
void generate_random_walk(char walk[10][10]) {
  int i, j;
  char letter;
  for (i = 0; i < 10; i++)
    for (j = 0; j < 10; j++)
      walk[i][j] = '.';
  srand((unsigned)time(NULL));
  i = j = 0;
  walk[0][0] = 'A';
  letter = 'B';
  while (letter <= 'Z') {
    switch (rand() % 4) {
    case 0:
      if ((i != 10) && (walk[i + 1][j] == '.')) {
        i++;
        walk[i][j] = letter++;
        printf("down ");
        break;
      } else
        break;
    case 1:
      if ((j != 0) && (walk[i][j - 1] == '.')) {
        --j;
        walk[i][j] = letter++;
        printf("left ");
        break;
      } else
        break;
    case 2:
      if ((i != 0) && (walk[i - 1][j] == '.')) {
        --i;
        walk[i][j] = letter++;
        printf("up ");
        break;
      } else
        break;
    case 3:
      if ((j != 10 - 1) && (walk[i][j + 1] == '.')) {
        j++;
        walk[i][j] = letter++;
        printf("rigth ");
        break;
      } else
        break;
    }
    if (walk[i + 1][j] != '.' && walk[i][j + 1] != '.' && walk[i - 1][j] != '.' && walk[i][j - 1] != '.')
      break;
  }
}
```