user: Translate the below assembly code into C programming language:

```asm
<printurl>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x48,%rsp
  mov    %rdi,-0x68(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%rbx
  mov    -0x68(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    $0x1,%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x48(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r14
  mov    $0x0,%r15d
  movslq %eax,%rdx
  mov    %rdx,%r12
  mov    $0x0,%r13d
  cltq
  mov    $0x10,%edx
  sub    $0x1,%rdx
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L140:
  cmp    %rdx,%rsp
  je     L160
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L140
L160:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L58
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L58:
  mov    %rsp,%rax
  add    $0x0,%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x40(%rbp),%rax
  mov    %rax,-0x50(%rbp)
  jmp    L101
L85:
  cmpb   $0x2c,-0x51(%rbp)
  jle    L16
  cmpb   $0x2f,-0x51(%rbp)
  je     L16
  cmpb   $0x39,-0x51(%rbp)
  jle    L176
  cmpb   $0x40,-0x51(%rbp)
  jle    L16
L176:
  cmpb   $0x5b,-0x51(%rbp)
  je     L16
  cmpb   $0x5d,-0x51(%rbp)
  je     L16
  cmpb   $0x7f,-0x51(%rbp)
  jne    L174
L16:
  movzbl -0x51(%rbp),%eax
  sar    $0x4,%al
  mov    %al,-0x53(%rbp)
  movzbl -0x51(%rbp),%eax
  and    $0xf,%eax
  mov    %al,-0x52(%rbp)
  cmpb   $0x9,-0x53(%rbp)
  jle    L128
  movzbl -0x53(%rbp),%eax
  add    $0x37,%eax
  mov    %al,-0x53(%rbp)
  jmp    L55
L128:
  movzbl -0x53(%rbp),%eax
  add    $0x30,%eax
  mov    %al,-0x53(%rbp)
L55:
  cmpb   $0x9,-0x52(%rbp)
  jle    L102
  movzbl -0x52(%rbp),%eax
  add    $0x37,%eax
  mov    %al,-0x52(%rbp)
  jmp    L30
L102:
  movzbl -0x52(%rbp),%eax
  add    $0x30,%eax
  mov    %al,-0x52(%rbp)
L30:
  mov    -0x50(%rbp),%rax
  movb   $0x25,(%rax)
  mov    -0x50(%rbp),%rax
  lea    0x1(%rax),%rdx
  movzbl -0x53(%rbp),%eax
  mov    %al,(%rdx)
  mov    -0x50(%rbp),%rax
  lea    0x2(%rax),%rdx
  movzbl -0x52(%rbp),%eax
  mov    %al,(%rdx)
  addq   $0x3,-0x50(%rbp)
  jmp    L101
L174:
  mov    -0x50(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x50(%rbp)
  movzbl -0x51(%rbp),%edx
  mov    %dl,(%rax)
L101:
  mov    -0x68(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x68(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x51(%rbp)
  cmpb   $0x0,-0x51(%rbp)
  jne    L85
  mov    -0x50(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x40(%rbp),%rax
  mov    %rax,%rsi
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    %rbx,%rsp
  nop
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L77
  call   <__stack_chk_fail@plt>
L77:
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

tool_calls: name: read_data
arguments: data_label: D6
data_type: string

tool: D6: %s

assistant: ```c
void printurl(const char *src) {
  char out[strlen(src) * 3 + 1];
  char *dst = out;
  char s;
  while ((s = *src++)) {
    if (s <= ',' || s == '/' || (s >= ':' && s <= '@') || s == '[' || s == ']' || s >= 0x7F) {
      char a = s >> 4, b = s & 0xF;
      if (a >= 10)
        a += 'A' - 10;
      else
        a += '0';
      if (b >= 10)
        b += 'A' - 10;
      else
        b += '0';
      dst[0] = '%';
      dst[1] = a;
      dst[2] = b;
      dst += 3;
    } else
      *dst++ = s;
  }
  *dst = '\0';
  printf("%s", out);
}
```