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

```asm
<vprintf>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x58,%rsp
  mov    %rdi,%r15
  mov    %rsi,%rbx
  mov    %edx,0x14(%rsp)
  mov    %ecx,0x28(%rsp)
  mov    %r8,0x20(%rsp)
  mov    %r9d,0x18(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  movl   $0x0,0x3c(%rsp)
  mov    0x3c(%rsp),%eax
  cmp    $0x3e7,%eax
  jg     L139
L121:
  mov    0x3c(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,0x3c(%rsp)
  mov    0x3c(%rsp),%eax
  cmp    $0x3e7,%eax
  jle    L121
L139:
  mov    %rbx,%rdi
  call   <strlen@plt>
  test   %eax,%eax
  jle    L323
  mov    %eax,%r14d
  mov    $0x0,%ebp
  mov    $0x0,%r12d
  mov    $0xfffffffe,%r13d
  movl   $0x0,0xc(%rsp)
  jmp    L466
L144:
  mov    %rbx,(%rsp)
  cmpb   $0x25,(%rbx)
  je     L21
L228:
  mov    $0x0,%r12d
  testl  $0x100000,0x18(%rsp)
  jne    L522
  mov    (%rsp),%rax
  movsbl (%rax),%edi
  mov    0xc(%rsp),%edx
  mov    %r15,%rsi
  call   <outchar@plt>
  mov    %eax,0xc(%rsp)
  jmp    L522
L21:
  test   %ebp,%ebp
  jle    L540
  cmpb   $0x25,-0x1(%rbx)
  je     L11
  mov    0x18(%rsp),%eax
  mov    %eax,0x10(%rsp)
  mov    $0x1,%r12d
  movl   $0xffffffff,0x2c(%rsp)
  movl   $0x0,0x1c(%rsp)
L522:
  add    $0x1,%rbp
  add    $0x1,%rbx
  cmp    %r14,%rbp
  je     L218
L466:
  test   %r12b,%r12b
  je     L144
  mov    0x14(%rsp),%eax
  cmp    $0xfffffffe,%r13d
  je     L241
  mov    0x28(%rsp),%eax
  cmp    $0xffffffff,%r13d
  je     L241
  movslq %r13d,%rax
  mov    0x20(%rsp),%rsi
  mov    (%rsi,%rax,4),%eax
L241:
  mov    %rbx,(%rsp)
  movzbl (%rbx),%edi
  cmp    $0x25,%dil
  je     L21
  cmp    $0x64,%dil
  je     L103
  cmp    $0x69,%dil
  je     L103
  mov    %r12d,%edx
  cmp    $0x75,%dil
  jne    L545
  test   %r12b,%r12b
  jne    L235
L545:
  mov    %edi,%ecx
  and    $0xffffffdf,%ecx
  cmp    $0x58,%cl
  je     L400
  cmp    $0x73,%dil
  jne    L521
  test   %dl,%dl
  je     L521
  add    $0x1,%r13d
  cltq
  mov    %rax,(%rsp)
  testl  $0x100000,0x10(%rsp)
  je     L567
  cmp    $0xffffffffffffffff,%r15
  je     L0
  mov    $0x0,%r12d
  cmp    $0xff,%r15
  jbe    L522
  mov    0xc(%rsp),%edx
  movslq %edx,%rax
  lea    (%r15,%rax,1),%rsi
  cmpb   $0x20,(%rsi)
  jg     L233
  lea    0x1(%r15,%rax,1),%rcx
  mov    %rcx,%rax
  add    $0x1,%edx
  sub    %ecx,%edx
L461:
  lea    (%rdx,%rax,1),%ecx
  mov    %rax,%rsi
  add    $0x1,%rax
  cmpb   $0x20,-0x1(%rax)
  jle    L461
L526:
  lea    0x1(%rcx),%eax
  cltq
L101:
  mov    %eax,%edx
  add    $0x1,%rax
  cmpb   $0x20,-0x1(%r15,%rax,1)
  jg     L101
  mov    %edx,0xc(%rsp)
  sub    %ecx,%edx
  mov    %edx,%r12d
  mov    (%rsp),%rdi
  call   <memcpy@plt>
  movslq %r12d,%r12
  mov    (%rsp),%rax
  movb   $0x0,(%rax,%r12,1)
  mov    $0x0,%r12d
  jmp    L522
L11:
  mov    $0x0,%r12d
  testl  $0x100000,0x18(%rsp)
  jne    L522
  mov    0xc(%rsp),%edx
  mov    %r15,%rsi
  mov    $0x25,%edi
  call   <outchar@plt>
  mov    %eax,0xc(%rsp)
  jmp    L522
L103:
  add    $0x1,%r13d
  mov    0x1c(%rsp),%ecx
  or     0x10(%rsp),%ecx
  mov    0xc(%rsp),%edx
  mov    %r15,%rsi
  mov    %eax,%edi
  call   <decimal@plt>
  mov    %eax,0xc(%rsp)
  mov    $0x0,%r12d
  jmp    L522
L235:
  add    $0x1,%r13d
  mov    0x1c(%rsp),%ecx
  or     0x10(%rsp),%ecx
  mov    0xc(%rsp),%edx
  mov    %r15,%rsi
  mov    %eax,%edi
  call   <number@plt>
  mov    %eax,0xc(%rsp)
  mov    $0x0,%r12d
  jmp    L522
L400:
  add    $0x1,%r13d
  mov    0x1c(%rsp),%ecx
  or     0x10(%rsp),%ecx
  mov    0xc(%rsp),%edx
  mov    %r15,%rsi
  mov    %eax,%edi
  call   <hex@plt>
  mov    %eax,0xc(%rsp)
  mov    $0x0,%r12d
  jmp    L522
L0:
  testl  $0x10000,0x10(%rsp)
  mov    $0xffffffff,%eax
  cmovne 0x1c(%rsp),%eax
  mov    %eax,0x1c(%rsp)
  mov    %eax,%esi
  mov    (%rsp),%rdi
  call   <read_string@plt>
  mov    $0x1,%esi
  lea    D8(%rip),%rdi
  call   <sio_write@plt>
  mov    $0x0,%r12d
  jmp    L522
L567:
  mov    0x1c(%rsp),%r12d
  or     0x10(%rsp),%r12d
  mov    (%rsp),%rdi
  call   <strlen@plt>
  mov    %eax,%esi
  mov    %r12d,%r8d
  mov    0xc(%rsp),%ecx
  mov    %r15,%rdx
  mov    (%rsp),%rdi
  call   <outstring@plt>
  mov    %eax,0xc(%rsp)
  mov    $0x0,%r12d
  jmp    L522
L521:
  cmp    $0x63,%dil
  jne    L225
  test   %dl,%dl
  je     L225
  add    $0x1,%r13d
  testl  $0x100000,0x10(%rsp)
  je     L267
  movslq %eax,%rdi
  cmp    $0xffffffffffffffff,%r15
  je     L99
  mov    0xc(%rsp),%esi
  movslq %esi,%rax
  movzbl (%r15,%rax,1),%ecx
  lea    0x1(%rsi),%edx
  movslq %edx,%rdx
  cmp    $0x20,%cl
  jg     L349
L295:
  mov    %edx,%eax
  add    $0x1,%rdx
  movzbl -0x1(%r15,%rdx,1),%ecx
  cmp    $0x20,%cl
  jle    L295
  mov    %eax,0xc(%rsp)
L349:
  addl   $0x1,0xc(%rsp)
  mov    %cl,(%rdi)
  mov    $0x0,%r12d
  jmp    L522
L99:
  movb   $0x0,(%rdi)
  mov    $0x1,%esi
  call   <read_string@plt>
  mov    $0x1,%esi
  lea    D8(%rip),%rdi
  call   <sio_write@plt>
  mov    $0x0,%r12d
  jmp    L522
L267:
  movsbl %al,%edi
  mov    0xc(%rsp),%edx
  mov    %r15,%rsi
  call   <outchar@plt>
  mov    %eax,0xc(%rsp)
  mov    $0x0,%r12d
  jmp    L522
L225:
  test   %r12b,%r12b
  je     L228
  movsbl %dil,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L202
  cmpl   $0x3,0x2c(%rsp)
  jle    L12
  mov    $0x0,%r12d
  jmp    L522
L12:
  mov    0x2c(%rsp),%esi
  lea    0x1(%rsi),%eax
  mov    %eax,0x2c(%rsp)
  cltq
  mov    (%rsp),%rdx
  movzbl (%rdx),%edx
  mov    %dl,0x43(%rsp,%rax,1)
  lea    0x2(%rsi),%eax
  cltq
  movb   $0x0,0x43(%rsp,%rax,1)
  lea    0x43(%rsp),%rdi
  call   <atodec@plt>
  mov    %eax,0x1c(%rsp)
  mov    (%rsp),%rdx
  cmpb   $0x30,(%rdx)
  je     L355
  orl    $0x10000,0x10(%rsp)
  jmp    L522
L355:
  orl    $0x30000,0x10(%rsp)
  jmp    L522
L483:
  orl    $0x40000,0x10(%rsp)
  jmp    L522
L540:
  mov    0x18(%rsp),%eax
  mov    %eax,0x10(%rsp)
  mov    $0x1,%r12d
  movl   $0xffffffff,0x2c(%rsp)
  movl   $0x0,0x1c(%rsp)
  jmp    L522
L323:
  movl   $0x0,0xc(%rsp)
L218:
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L347
  mov    0xc(%rsp),%eax
  add    $0x58,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L233:
  mov    0xc(%rsp),%ecx
  jmp    L526
L202:
  mov    (%rsp),%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  sete   %dl
  cmp    $0x6c,%al
  sete   %cl
  or     %cl,%dl
  jne    L588
  lea    -0x2d(%rax),%edx
  cmp    $0x1,%dl
  ja     L228
L588:
  cmp    $0x2e,%al
  je     L483
  mov    0x10(%rsp),%esi
  mov    %esi,%edx
  or     $0x80000,%edx
  cmp    $0x2d,%al
  cmovne %esi,%edx
  mov    %edx,0x10(%rsp)
  jmp    L522
L347:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_tag: D8
type_guessed: string

tool: D8: 


assistant: ```c
int vprintf(char *p, char *form, int a, int b, int *arg, int _opt) {
  int i, n, off, argc, value, num, numindex, opt, inoff;
  char flag, numbuf[5], *ptr, *inptr;
  volatile int w;
  for (w = 0; w < 1000; w++)
    ;
  flag = 0;
  off = 0;
  argc = -2;
  n = strlen(form);
  for (i = 0; i < n; i++) {
    if (flag & 1) {
      if (argc == -2)
        value = a;
      else if (argc == -1)
        value = b;
      else
        value = arg[argc];
    }
    if (form[i] == '%') {
      if (i > 0 && form[i - 1] == '%') {
        flag &= ~1;
        if (!(_opt & 0x100000))
          off = outchar(form[i], p, off);
      } else {
        flag |= 1;
        numindex = -1;
        num = 0;
        opt = _opt;
      }
    } else if ((flag & 1) && (form[i] == 'd' || form[i] == 'i')) {
      argc++;
      off = decimal(value, p, off, num | opt);
      flag &= ~1;
    } else if ((flag & 1) && form[i] == 'u') {
      argc++;
      off = number(value, p, off, num | opt);
      flag &= ~1;
    } else if ((flag & 1) && (form[i] == 'x' || form[i] == 'X')) {
      argc++;
      off = hex(value, p, off, num | opt);
      flag &= ~1;
    } else if ((flag & 1) && form[i] == 's') {
      argc++;
      ptr = (char *)value;
      if (opt & 0x100000) {
        if (p == (char *)-1) {
          if (!(opt & 0x10000))
            num = -1;
          read_string(ptr, num);
          sio_write("\n", 1);
        } else if (p > (char *)255) {
          while (p[off] <= ' ')
            off++;
          inptr = &(p[off]);
          inoff = off;
          while (p[off] > ' ')
            off++;
          memcpy(ptr, inptr, off - inoff);
          ptr[off - inoff] = 0;
        }
      } else {
        off = outstring(ptr, strlen(ptr), p, off, num | opt);
      }
      flag &= ~1;
    } else if ((flag & 1) && form[i] == 'c') {
      argc++;
      if (opt & 0x100000) {
        ptr = (char *)value;
        if (p == (char *)-1) {
          *ptr = 0;
          read_string(ptr, 1);
          sio_write("\n", 1);
        } else {
          while (p[off] <= ' ')
            off++;
          *ptr = p[off++];
        }
      } else {
        off = outchar((char)value, p, off);
      }
      flag &= ~1;
    } else if ((flag & 1) && isdigit(form[i])) {
      if (numindex > 3)
        flag &= ~1;
      else {
        numbuf[++numindex] = form[i];
        numbuf[numindex + 1] = 0;
        num = atodec(numbuf);
        opt |= 0x10000;
        if (form[i] == '0')
          opt |= 0x20000;
      }
    } else if ((flag & 1) && (form[i] == '.' || form[i] == ' ' || form[i] == 'l' || form[i] == '-')) {
      if (form[i] == '.')
        opt |= 0x40000;
      if (form[i] == '-')
        opt |= 0x80000;
    } else {
      flag &= ~1;
      if (!(_opt & 0x100000))
        off = outchar(form[i], p, off);
    }
  }
  return off;
}
```