user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %r13
  mov    $0x6572,%edx
  lea    D210(%rip),%rdi
  push   %r12
  push   %rbp
  push   %rbx
  movabs $0x6664736166647361,%rbx
  sub    $0xd8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0xc8(%rsp)
  xor    %eax,%eax
  mov    $0x7369,%eax
  lea    0x9(%rsp),%rbp
  mov    %dx,0x82(%rsp)
  mov    %ax,0xd(%rsp)
  mov    %rbp,%rsi
  lea    0x3b(%rsp),%r13
  movabs $0x747464646f646f64,%rax
  mov    %rax,0x7a(%rsp)
  xor    %eax,%eax
  lea    0x85(%rsp),%r12
  movl   $0x66647361,0x9(%rsp)
  movb   $0x0,0xf(%rsp)
  movb   $0x0,0x84(%rsp)
  call   <printf@plt>
  mov    %rbp,%rdi
  xor    %eax,%eax
  lea    0x7a(%rsp),%rbp
  call   <mystrlen@plt>
  lea    D324(%rip),%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rbp,%rsi
  lea    D79(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rbp,%rdi
  xor    %eax,%eax
  lea    0x20(%rsp),%rbp
  call   <mystrlen@plt>
  lea    D284(%rip),%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0x736b,%ecx
  mov    %rbp,%rsi
  movabs $0x6b6673646a647361,%rax
  mov    %rax,0x20(%rsp)
  lea    D281(%rip),%rdi
  movabs $0x73616b736b736a6b,%rax
  mov    %rax,0x85(%rsp)
  xor    %eax,%eax
  mov    %cx,0x8d(%rsp)
  movb   $0x0,0x28(%rsp)
  movb   $0x0,0x8f(%rsp)
  call   <printf@plt>
  mov    %r12,%rsi
  lea    D175(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <mystrcpy@plt>
  lea    D108(%rip),%rdi
  lea    0x90(%rsp),%rbp
  mov    %eax,%esi
  xor    %eax,%eax
  lea    0xb0(%rsp),%r12
  call   <printf@plt>
  movdqa D33(%rip),%xmm0
  mov    $0x66,%esi
  xor    %eax,%eax
  mov    %si,0xc0(%rsp)
  lea    D243(%rip),%rdi
  mov    %rbp,%rsi
  movaps %xmm0,0x90(%rsp)
  movdqa D54(%rip),%xmm0
  movb   $0x0,0xa0(%rsp)
  movaps %xmm0,0xb0(%rsp)
  call   <printf@plt>
  mov    %r12,%rsi
  lea    D246(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0x3,%edx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  lea    0x29(%rsp),%rbp
  lea    0x32(%rsp),%r12
  call   <mystrncat@plt>
  lea    D122(%rip),%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rbp,%rsi
  xor    %eax,%eax
  mov    %rbx,0x29(%rsp)
  lea    D44(%rip),%rdi
  movb   $0x0,0x31(%rsp)
  mov    %rbx,0x32(%rsp)
  movb   $0x0,0x3a(%rsp)
  call   <printf@plt>
  xor    %eax,%eax
  mov    %r12,%rsi
  lea    D70(%rip),%rdi
  call   <printf@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <mystrcmp@plt>
  lea    0x10(%rsp),%r12
  lea    D313(%rip),%rdi
  movabs $0x64736166647361,%rbp
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %r12,%rsi
  xor    %eax,%eax
  mov    %rbp,0x10(%rsp)
  lea    D197(%rip),%rdi
  mov    %rbx,0x3b(%rsp)
  movb   $0x0,0x43(%rsp)
  call   <printf@plt>
  mov    %r13,%rsi
  lea    D106(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %r13,%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  call   <mystrcmp@plt>
  lea    0x18(%rsp),%r12
  lea    0x56(%rsp),%r13
  mov    %eax,%esi
  lea    D328(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rbp,0x18(%rsp)
  lea    0x44(%rsp),%rbp
  xor    %eax,%eax
  mov    %rbp,%rsi
  lea    D308(%rip),%rdi
  mov    %rbx,0x44(%rsp)
  movb   $0x0,0x4c(%rsp)
  call   <printf@plt>
  mov    %r12,%rsi
  lea    D203(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <mystrcmp@plt>
  lea    0x4d(%rsp),%r12
  lea    D206(%rip),%rdi
  movabs $0x6764736166647361,%rbp
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %r12,%rsi
  xor    %eax,%eax
  mov    %rbp,0x4d(%rsp)
  lea    D40(%rip),%rdi
  movb   $0x0,0x55(%rsp)
  mov    %rbx,0x56(%rsp)
  movb   $0x0,0x5e(%rsp)
  call   <printf@plt>
  mov    %r13,%rsi
  lea    D262(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %r12,%rdi
  mov    %r13,%rsi
  xor    %eax,%eax
  call   <mystrcmp@plt>
  lea    D247(%rip),%rdi
  lea    0x68(%rsp),%r12
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rbp,0x68(%rsp)
  lea    0x5f(%rsp),%rbp
  xor    %eax,%eax
  mov    %rbp,%rsi
  lea    D63(%rip),%rdi
  mov    %rbx,0x5f(%rsp)
  movb   $0x0,0x67(%rsp)
  movb   $0x0,0x70(%rsp)
  call   <printf@plt>
  xor    %eax,%eax
  mov    %r12,%rsi
  lea    D123(%rip),%rdi
  call   <printf@plt>
  mov    %rbp,%rdi
  mov    %r12,%rsi
  xor    %eax,%eax
  call   <mystrcmp@plt>
  lea    0x71(%rsp),%rbp
  lea    D115(%rip),%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rbp,%rsi
  xor    %eax,%eax
  mov    %rbx,0x71(%rsp)
  lea    D325(%rip),%rdi
  movb   $0x0,0x79(%rsp)
  call   <printf@plt>
  mov    %rbp,%rsi
  lea    D1(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D228(%rip),%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <mystrchr@plt>
  lea    D233(%rip),%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D168(%rip),%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <mystrchr@plt>
  lea    D298(%rip),%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0xc8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0xd8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L8:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D210
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D324
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D79
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D284
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D281
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D175
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D108
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D33
type_infered: byte[16]
name: extract_symbolic_data
arguments: data_tag: D243
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D54
type_infered: byte[16]
name: extract_symbolic_data
arguments: data_tag: D246
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D122
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D44
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D70
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D313
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D197
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D106
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D328
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D308
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D203
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D206
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D40
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D262
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D247
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D63
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D123
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D115
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D325
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D1
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D228
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D233
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D168
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D298
type_infered: string

tool: D210: 
String s1: %s


tool: D324: Length of s1: %d


tool: D79: String s2: %s


tool: D284: Length of s2: %d



tool: D281: String s3: %s


tool: D175: String s4: %s


tool: D108: Copied s4 onto s3: %s



tool: {"D33": [0x73,0x64,0x61,0x69,0x75,0x73,0x64,0x61,0x66,0x61,0x73,0x61,0x73,0x67,0x64,0x66]}

tool: D243: String s5: %s


tool: {"D54": [0x67,0x66,0x66,0x66,0x66,0x67,0x6a,0x6a,0x6b,0x6c,0x66,0x64,0x6a,0x6b,0x6c,0x64]}

tool: D246: String s6: %s


tool: D122: Concatenated 3 of s6 onto s5: %s



tool: D44: String s7: %s


tool: D70: String s8: %s


tool: D313: String s7 vs String s8: %d



tool: D197: String s9: %s


tool: D106: String s10: %s


tool: D328: String s9 vs String s10: %d



tool: D308: String s11: %s


tool: D203: String s12: %s


tool: D206: String s11 vs String s12: %d



tool: D40: String s13: %s


tool: D262: String s14: %s


tool: D247: String s13 vs String s14: %d



tool: D63: String s15: %s


tool: D123: String s16: %s


tool: D115: String s15 vs String s16: %d



tool: D325: String s17: %s


tool: D1: Address of String s17: %lu


tool: D228: a

tool: D233: Address of "a" in s17: %lu


tool: D168: sdf

tool: D298: Address of "sdf" in s17: %lu



assistant: ```c
int main() {
  char s1[] = "asdfis";
  char s2[] = "dododdttre";
  printf("\nString s1: %s\n", s1);
  printf("Length of s1: %d\n", mystrlen(s1));
  printf("String s2: %s\n", s2);
  printf("Length of s2: %d\n\n", mystrlen(s2));
  char s3[] = "asdjdsfk";
  char s4[] = "kjskskasks";
  printf("String s3: %s\n", s3);
  printf("String s4: %s\n", s4);
  printf("Copied s4 onto s3: %s\n\n", mystrcpy(s3, s4));
  char s5[] = "sdaiusdafasasgdf";
  char s6[] = "gffffgjjklfdjkldf";
  printf("String s5: %s\n", s5);
  printf("String s6: %s\n", s6);
  printf("Concatenated 3 of s6 onto s5: %s\n\n", mystrncat(s5, s6, 3));
  char s7[] = "asdfasdf";
  char s8[] = "asdfasdf";
  printf("String s7: %s\n", s7);
  printf("String s8: %s\n", s8);
  printf("String s7 vs String s8: %d\n\n", mystrcmp(s7, s8));
  char s9[] = "asdfasd";
  char s10[] = "asdfasdf";
  printf("String s9: %s\n", s9);
  printf("String s10: %s\n", s10);
  printf("String s9 vs String s10: %d\n\n", mystrcmp(s9, s10));
  char s11[] = "asdfasdf";
  char s12[] = "asdfasd";
  printf("String s11: %s\n", s11);
  printf("String s12: %s\n", s12);
  printf("String s11 vs String s12: %d\n\n", mystrcmp(s11, s12));
  char s13[] = "asdfasdg";
  char s14[] = "asdfasdf";
  printf("String s13: %s\n", s13);
  printf("String s14: %s\n", s14);
  printf("String s13 vs String s14: %d\n\n", mystrcmp(s13, s14));
  char s15[] = "asdfasdf";
  char s16[] = "asdfasdg";
  printf("String s15: %s\n", s15);
  printf("String s16: %s\n", s16);
  printf("String s15 vs String s16: %d\n\n", mystrcmp(s15, s16));
  char s17[] = "asdfasdf";
  printf("String s17: %s\n", s17);
  printf("Address of String s17: %lu\n", &s17);
  printf("Address of \"a\" in s17: %lu\n", mystrchr(s17, "a"));
  printf("Address of \"sdf\" in s17: %lu\n\n", mystrchr(s17, "sdf"));
}
```