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

```asm
<conv_file>:
  endbr64
  push   %r15
  mov    %ecx,%r15d
  push   %r14
  mov    %edx,%r14d
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,0x8(%rsp)
  mov    %edx,%edi
  mov    %rsi,0x18(%rsp)
  mov    %ecx,%esi
  call   <inputFrameSize@plt>
  mov    %eax,%edi
  mov    %eax,%ebx
  call   <malloc@plt>
  mov    %ebx,%esi
  lea    D21(%rip),%rdi
  mov    %rax,%rbp
  xor    %eax,%eax
  call   <printf@plt>
  test   %rbp,%rbp
  je     L4
  mov    %r15d,%esi
  mov    %r14d,%edi
  call   <outputFrameSize@plt>
  lea    D33(%rip),%rdi
  mov    %eax,%esi
  mov    %eax,%r12d
  xor    %eax,%eax
  call   <printf@plt>
  mov    %r12d,%edi
  call   <malloc@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L12
  movl   $0x0,0x14(%rsp)
  jmp    L97
  nopl   0x0(%rax)
L93:
  mov    0x18(%rsp),%rcx
  mov    %r12d,%edx
  mov    $0x1,%esi
  mov    %r13,%rdi
  call   <fwrite@plt>
  movslq %r12d,%rdx
  cmp    %rax,%rdx
  jne    L18
  addl   $0x1,0x14(%rsp)
L97:
  mov    0x8(%rsp),%rcx
  mov    %ebx,%edx
  mov    $0x1,%esi
  mov    %rbp,%rdi
  call   <fread@plt>
  test   %rax,%rax
  je     L17
  movslq %ebx,%rdx
  cmp    %rax,%rdx
  jne    L94
  mov    %r14d,%ecx
  mov    %r15d,%edx
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <conv_frame@plt>
  test   %eax,%eax
  jns    L93
  lea    D29(%rip),%rdi
  call   <puts@plt>
  jmp    L93
  nopw   0x0(%rax,%rax,1)
L17:
  mov    0x14(%rsp),%esi
  lea    D5(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
L43:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L94:
  lea    D10(%rip),%rdi
  call   <puts@plt>
  add    $0x28,%rsp
  mov    $0xffffffff,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L18:
  mov    %r12d,%edx
  mov    %rax,%rsi
  lea    D34(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  add    $0x28,%rsp
  mov    $0xffffffff,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L4:
  lea    D75(%rip),%rdi
  call   <puts@plt>
  mov    $0xffffffff,%eax
  jmp    L43
L12:
  lea    D23(%rip),%rdi
  call   <puts@plt>
  mov    $0xffffffff,%eax
  jmp    L43
```

tool_calls: name: unpack_data
arguments: data_tag: D21
type_guessed: string
name: unpack_data
arguments: data_tag: D33
type_guessed: string
name: unpack_data
arguments: data_tag: D29
type_guessed: string
name: unpack_data
arguments: data_tag: D5
type_guessed: string
name: unpack_data
arguments: data_tag: D10
type_guessed: string
name: unpack_data
arguments: data_tag: D34
type_guessed: string
name: unpack_data
arguments: data_tag: D75
type_guessed: string
name: unpack_data
arguments: data_tag: D23
type_guessed: string

tool: D21: i %d


tool: D33: o %d


tool: D29: frame ng

tool: D5: OK end of file %d


tool: D10: fread err

tool: D34: fwrite err %d %d


tool: D75: err malloc 1

tool: D23: err malloc 2

assistant: ```c
int conv_file(FILE *input, FILE *output, int width, int height) {
  void *inbuf;
  void *outbuf;
  int i;
  int input_framesize = inputFrameSize(width, height);
  inbuf = malloc(input_framesize);
  printf("i %d\n", input_framesize);
  if (inbuf == NULL) {
    printf("err malloc 1\n");
    return -1;
  }
  int output_framesize = outputFrameSize(width, height);
  printf("o %d\n", output_framesize);
  outbuf = malloc(output_framesize);
  if (outbuf == NULL) {
    printf("err malloc 2\n");
    return -1;
  }
  for (i = 0;; i++) {
    size_t readsize = fread(inbuf, 1, input_framesize, input);
    if (readsize == 0) {
      printf("OK end of file %d\n", i);
      return 0;
    } else if (readsize != input_framesize) {
      printf("fread err\n");
      return -1;
    } else {
    }
    int ret = conv_frame(inbuf, outbuf, height, width);
    if (ret < 0) {
      printf("frame ng\n");
    }
    size_t writesize = fwrite(outbuf, 1, output_framesize, output);
    if (writesize != output_framesize) {
      printf("fwrite err %d %d\n", writesize, output_framesize);
      return -1;
    } else {
    }
  }
  return 0;
}
```