user: Demonstrate the C code that generates the assembly output below:

```asm
<blReadSimplePIR>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  mov    %esi,%r13d
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  lea    0x1(%rsi),%edi
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdx,0x8(%rsp)
  call   <malloc@plt>
  test   %rax,%rax
  jne    L69
L75:
  xor    %r14d,%r14d
L187:
  add    $0x18,%rsp
  mov    %r14d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nop
L69:
  lea    -0x1(%r13),%r14d
  mov    %rax,%r12
  mov    %rbp,%rdx
  mov    %rax,%rdi
  mov    %r14d,%esi
  xor    %ebx,%ebx
  call   <fgets@plt>
  mov    %r14d,%esi
  mov    %rbp,%rdx
  mov    %r12,%rdi
  call   <fgets@plt>
  xor    %r14d,%r14d
  test   %r13d,%r13d
  jle    L15
  nopl   0x0(%rax)
L152:
  mov    %rbp,%rdi
  call   <feof@plt>
  test   %eax,%eax
  jne    L199
L145:
  mov    %rbp,%rdi
  call   <fgetc@plt>
  mov    D1(%rip),%rdx
  cmp    %eax,(%rdx)
  je     L199
  movslq %ebx,%rdx
  movsbl %al,%edi
  lea    (%r12,%rdx,1),%r15
  mov    %al,(%r15)
  call   <isalpha@plt>
  test   %rax,%rax
  jne    L168
  cmpb   $0x2a,(%r15)
  je     L9
L86:
  cmp    %r13d,%ebx
  jl     L152
L57:
  movslq %ebx,%rax
  lea    0x2(%rbx),%edi
  movb   $0x0,(%r12,%rax,1)
  call   <malloc@plt>
  mov    0x8(%rsp),%rcx
  mov    %rax,%rdi
  movslq %r14d,%rax
  mov    %rdi,(%rcx,%rax,8)
  test   %rdi,%rdi
  je     L107
  mov    %r12,%rsi
  add    $0x1,%r14d
  call   <strcpy@plt>
L15:
  mov    %r12,%rdi
  call   <free@plt>
  jmp    L187
  nopw   0x0(%rax,%rax,1)
L168:
  movsbl (%r15),%edi
  call   <isupper@plt>
  test   %rax,%rax
  je     L34
  movzbl (%r15),%eax
L40:
  mov    %al,(%r15)
  add    $0x1,%ebx
  jmp    L86
  nopw   0x0(%rax,%rax,1)
L9:
  movb   $0x0,(%r15)
  lea    0x2(%rbx),%edi
  call   <malloc@plt>
  mov    0x8(%rsp),%rcx
  mov    %rax,%rdi
  movslq %r14d,%rax
  mov    %rdi,(%rcx,%rax,8)
  test   %rdi,%rdi
  je     L28
  mov    %r12,%rsi
  add    $0x1,%r14d
  xor    %ebx,%ebx
  call   <strcpy@plt>
  mov    %rbp,%rdi
  call   <feof@plt>
  test   %eax,%eax
  je     L145
  cs nopw 0x0(%rax,%rax,1)
L199:
  test   %ebx,%ebx
  jne    L57
  mov    %r12,%rdi
  call   <free@plt>
  jmp    L187
  nopl   (%rax)
L34:
  movsbl (%r15),%edi
  call   <toupper@plt>
  jmp    L40
  nopl   0x0(%rax,%rax,1)
L107:
  xor    %ebx,%ebx
  nopw   0x0(%rax,%rax,1)
L61:
  mov    0x8(%rsp),%rax
  mov    (%rax,%rbx,8),%rdi
  test   %rdi,%rdi
  je     L195
  call   <free@plt>
L195:
  add    $0x1,%rbx
  cmp    %ebx,%r14d
  jge    L61
  jmp    L75
L28:
  mov    $0xffffffff,%r14d
  jmp    L187
```

assistant: ```c
int blReadSimplePIR(FILE *fp, int maxres, char **seqs) {
  char *buffer;
  int rescount = 0, chain = 0;
  buffer = (char *)malloc((maxres + 1) * sizeof(char));
  if (!buffer)
    return (0);
  fgets(buffer, maxres - 1, fp);
  fgets(buffer, maxres - 1, fp);
  while (rescount < maxres && !feof(fp)) {
    int ch;
    ch = fgetc(fp);
    if (ch == EOF)
      break;
    buffer[rescount] = ch;
    if (isalpha(buffer[rescount])) {
      buffer[rescount] = (isupper(buffer[rescount]) ? buffer[rescount] : toupper(buffer[rescount]));
      rescount++;
    } else if (buffer[rescount] == '*') {
      buffer[rescount] = '\0';
      seqs[chain] = (char *)malloc((rescount + 2) * sizeof(char));
      if (!seqs[chain])
        return (-1);
      strcpy(seqs[chain], buffer);
      chain++;
      rescount = 0;
    }
  }
  if (rescount) {
    buffer[rescount] = '\0';
    seqs[chain] = (char *)malloc((rescount + 2) * sizeof(char));
    if (!seqs[chain]) {
      int i;
      for (i = 0; i <= chain; i++) {
        if (seqs[i])
          free(seqs[i]);
      }
      return (0);
    }
    strcpy(seqs[chain], buffer);
    chain++;
  }
  free(buffer);
  return (chain);
}
```