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

```asm
<proc_fake1>:
  endbr64
  push   %r14
  lea    D53(%rip),%r14
  push   %r13
  lea    D42(%rip),%r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  jmp    L121
  nop
L56:
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <strstr@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L44
  mov    %r13,%rdi
  call   <strlen@plt>
  mov    $0x20,%esi
  mov    %rbp,%rdi
  lea    (%rax,%rbx,1),%edx
  sub    %ebp,%edx
  call   <memset@plt>
L121:
  mov    %r14,%rsi
  mov    %r12,%rdi
  call   <strstr@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  jne    L56
  lea    D63(%rip),%r14
  lea    D20(%rip),%r13
  jmp    L39
  nopl   0x0(%rax)
L128:
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <strstr@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L44
  mov    %r13,%rdi
  call   <strlen@plt>
  mov    $0x20,%esi
  mov    %rbp,%rdi
  lea    (%rax,%rbx,1),%edx
  sub    %ebp,%edx
  call   <memset@plt>
L39:
  mov    %r14,%rsi
  mov    %r12,%rdi
  call   <strstr@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  jne    L128
  lea    D32(%rip),%rbx
  jmp    L15
  nopl   (%rax)
L139:
  mov    %rbx,%rdi
  call   <strlen@plt>
  mov    $0x20,%esi
  mov    %rbp,%rdi
  mov    %eax,%edx
  call   <memset@plt>
L15:
  mov    %rbx,%rsi
  mov    %r12,%rdi
  call   <strstr@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  jne    L139
  lea    D44(%rip),%rbx
  jmp    L53
  nopl   0x0(%rax,%rax,1)
L120:
  mov    %rbx,%rdi
  call   <strlen@plt>
  mov    $0x20,%esi
  mov    %rbp,%rdi
  mov    %eax,%edx
  call   <memset@plt>
L53:
  mov    %rbx,%rsi
  mov    %r12,%rdi
  call   <strstr@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  jne    L120
  lea    D1(%rip),%rbx
  jmp    L85
  nopl   0x0(%rax,%rax,1)
L108:
  mov    %rbx,%rdi
  call   <strlen@plt>
  mov    $0x20,%esi
  mov    %rbp,%rdi
  mov    %eax,%edx
  call   <memset@plt>
L85:
  mov    %rbx,%rsi
  mov    %r12,%rdi
  call   <strstr@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  jne    L108
  lea    D41(%rip),%rbx
  jmp    L42
  nopl   0x0(%rax,%rax,1)
L101:
  mov    %rbx,%rdi
  call   <strlen@plt>
  mov    $0x20,%esi
  mov    %rbp,%rdi
  mov    %eax,%edx
  call   <memset@plt>
L42:
  mov    %rbx,%rsi
  mov    %r12,%rdi
  call   <strstr@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  jne    L101
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L44:
  pop    %rbx
  mov    %r13,%rsi
  lea    D16(%rip),%rdi
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  jmp    1090 <printf@plt>
```

tool_calls: name: unpack_data
arguments: data_tag: D53
type_guessed: string
name: unpack_data
arguments: data_tag: D42
type_guessed: string
name: unpack_data
arguments: data_tag: D63
type_guessed: string
name: unpack_data
arguments: data_tag: D20
type_guessed: string
name: unpack_data
arguments: data_tag: D32
type_guessed: string
name: unpack_data
arguments: data_tag: D44
type_guessed: string
name: unpack_data
arguments: data_tag: D1
type_guessed: string
name: unpack_data
arguments: data_tag: D41
type_guessed: string
name: unpack_data
arguments: data_tag: D16
type_guessed: string

tool: D53: /*DEMO*/

tool: D42: /*END_DEMO*/

tool: D63: <!--DEMO-->

tool: D20: <!--END_DEMO-->

tool: D32: /*REAL

tool: D44: REAL*/

tool: D1: <!--REAL

tool: D41: REAL-->

tool: D16: can not find %s


assistant: ```c
void proc_fake1(char *inblk, int *len) {
  char *startp, *endp;
  int outlen;
  outlen = *len;
  while ((startp = strstr(inblk, "/*DEMO*/")) != NULL) {
    if ((endp = strstr(startp, "/*END_DEMO*/")) == NULL) {
      printf("can not find %s\n", "/*END_DEMO*/");
      return;
    }
    endp += strlen("/*END_DEMO*/");
    outlen = endp - startp;
    memset(startp, 0x20, outlen);
  }
  while ((startp = strstr(inblk, "<!--DEMO-->")) != NULL) {
    if ((endp = strstr(startp, "<!--END_DEMO-->")) == NULL) {
      printf("can not find %s\n", "<!--END_DEMO-->");
      return;
    }
    endp += strlen("<!--END_DEMO-->");
    outlen = endp - startp;
    memset(startp, 0x20, outlen);
  }
  while ((startp = strstr(inblk, "/*REAL")) != NULL) {
    memset(startp, 0x20, strlen("/*REAL"));
  }
  while ((startp = strstr(inblk, "REAL*/")) != NULL) {
    memset(startp, 0x20, strlen("REAL*/"));
  }
  while ((startp = strstr(inblk, "<!--REAL")) != NULL) {
    memset(startp, 0x20, strlen("<!--REAL"));
  }
  while ((startp = strstr(inblk, "REAL-->")) != NULL) {
    memset(startp, 0x20, strlen("REAL-->"));
  }
}
```