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

```asm
<ripetizioni>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x48(%rbp)
  mov    %rsi,-0x50(%rbp)
  mov    $0x28,%edi
  call   <malloc@plt>
  mov    %rax,-0x10(%rbp)
  mov    $0xa,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0x14(%rbp)
  movl   $0x0,-0x28(%rbp)
  movl   $0x0,-0x24(%rbp)
  jmp    L163
L20:
  cmpl   $0x0,-0x28(%rbp)
  jne    L88
  mov    -0x48(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x10(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x8(%rbp),%rax
  movb   $0x1,(%rax)
  movl   $0x0,-0x30(%rbp)
  jmp    L4
L88:
  movl   $0x0,-0x2c(%rbp)
  jmp    L86
L132:
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x28(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x48(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  cmp    %eax,%edx
  jne    L156
  mov    -0x2c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  lea    0x1(%rax),%ecx
  mov    -0x2c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    %ecx,%edx
  mov    %dl,(%rax)
  movl   $0x1,-0x24(%rbp)
L156:
  addl   $0x1,-0x2c(%rbp)
L86:
  mov    -0x2c(%rbp),%eax
  cmp    -0x30(%rbp),%eax
  jle    L132
  cmpl   $0x0,-0x24(%rbp)
  jne    L4
  addl   $0x1,-0x30(%rbp)
  mov    -0x28(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  mov    -0x30(%rbp),%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,4),%rcx
  mov    -0x10(%rbp),%rdx
  add    %rcx,%rdx
  movsbl %al,%eax
  mov    %eax,(%rdx)
  mov    -0x30(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movb   $0x1,(%rax)
L4:
  addl   $0x1,-0x28(%rbp)
  movl   $0x0,-0x24(%rbp)
L163:
  mov    -0x28(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L20
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x50(%rbp),%rax
  mov    %edx,(%rax)
  movl   $0x0,-0x20(%rbp)
  jmp    L133
L6:
  mov    -0x20(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x50(%rbp),%rax
  mov    (%rax),%eax
  cmp    %eax,%edx
  jle    L46
  mov    -0x20(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x50(%rbp),%rax
  mov    %edx,(%rax)
L46:
  addl   $0x1,-0x20(%rbp)
L133:
  mov    -0x20(%rbp),%eax
  cmp    -0x30(%rbp),%eax
  jle    L6
  movl   $0x0,-0x1c(%rbp)
  movl   $0x0,-0x18(%rbp)
  jmp    L66
L96:
  mov    -0x50(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x18(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x8(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  cmp    %eax,%edx
  jne    L175
  cmpl   $0x0,-0x1c(%rbp)
  jne    L87
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %al,-0x31(%rbp)
  addl   $0x1,-0x1c(%rbp)
  jmp    L175
L87:
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  movsbl -0x31(%rbp),%eax
  cmp    %eax,%edx
  jge    L175
  cmpl   $0x0,-0x1c(%rbp)
  jle    L175
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %al,-0x31(%rbp)
L175:
  addl   $0x1,-0x18(%rbp)
L66:
  mov    -0x18(%rbp),%eax
  cmp    -0x30(%rbp),%eax
  jl     L96
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  movzbl -0x31(%rbp),%eax
  leave
  ret
```

assistant: ```c
char ripetizioni(char str[], int *rep) {
  int *item = (int *)malloc(sizeof(int) * 10);
  char *freq = (char *)malloc(sizeof(char) * 10);
  char frequent;
  int segno;
  int len = 0;
  int j;
  int i = 0;
  int flag = 0;
  while (str[i] != '\0') {
    if (i == 0) {
      item[0] = str[0];
      freq[0] = 1;
      segno = 0;
    } else {
      for (j = 0; j <= segno; j++) {
        if (item[j] == str[i]) {
          freq[j] = freq[j] + 1;
          flag = 1;
        }
      }
      if (flag == 0) {
        segno = segno + 1;
        item[segno] = str[i];
        freq[segno] = 1;
      }
    }
    i++;
    flag = 0;
  }
  *rep = freq[0];
  for (int i = 0; i <= segno; i++) {
    if (freq[i] > *rep) {
      *rep = freq[i];
    }
  }
  int step = 0;
  for (int i = 0; i < segno; i++) {
    if (*rep == freq[i]) {
      if (step == 0) {
        frequent = item[i];
        step++;
      } else if (((item)[i] < frequent) && (step > 0)) {
        frequent = item[i];
      }
    }
  }
  free(item);
  free(freq);
  return frequent;
}
```