user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  push   %rbx
  mov    %edi,%ebx
  sub    $0x128,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x118(%rsp)
  xor    %eax,%eax
  call   <getppid@plt>
  mov    %eax,%r13d
  xor    %eax,%eax
  call   <getpid@plt>
  mov    %r13d,%edx
  lea    D11(%rip),%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  cmp    $0x1,%ebx
  jle    L173
  mov    0x8(%r12),%rdi
  call   <twice@plt>
  lea    D26(%rip),%rdi
  mov    %rax,%rbp
  call   <puts@plt>
L86:
  mov    0x10(%r12),%rdi
  lea    0xb0(%rsp),%r13
  call   <atoi@plt>
  mov    0x18(%r12),%rdi
  movslq %eax,%rbx
  call   <atoi@plt>
  mov    0x20(%r12),%rsi
  mov    %r13,%rdi
  mov    %eax,%r14d
  call   <strcpy@plt>
  cmp    %r14d,%ebx
  jg     L55
  xor    %r15d,%r15d
  lea    D176(%rip),%r12
  jmp    L85
  nopl   (%rax)
L41:
  movslq %r15d,%rdx
  add    $0x1,%r15d
  mov    %al,0x40(%rsp,%rdx,1)
L87:
  add    $0x1,%rbx
  cmp    %ebx,%r14d
  jl     L55
L85:
  movzbl 0x0(%r13,%rbx,1),%eax
  mov    %ebx,%r10d
  cmp    $0x20,%al
  jne    L41
  movslq %r15d,%rax
  lea    0x40(%rsp),%rsi
  movb   $0x0,0x40(%rsp,%rax,1)
  cmpl   $0x63697774,0x40(%rsp)
  je     L113
L45:
  cmpl   $0x61757173,0x40(%rsp)
  je     L177
L161:
  cmpl   $0x666c6168,0x40(%rsp)
  je     L135
L107:
  cmpb   $0x0,0x40(%rsp)
  je     L87
  lea    D152(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %edi,%edi
  call   <exit@plt>
  jmp    L87
  xchg   %ax,%ax
L55:
  xor    %eax,%eax
  mov    %rbp,%rsi
  lea    D147(%rip),%rdi
  call   <printf@plt>
  mov    0x118(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L166
  add    $0x128,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L113:
  cmpw   $0x65,0x44(%rsp)
  jne    L45
  mov    $0x8,%edi
  mov    %ebx,0xc(%rsp)
  call   <malloc@plt>
  lea    D28(%rip),%r11
  mov    %r11,%rsi
  mov    %rax,%rdi
  mov    %rax,0x10(%rsp)
  call   <strcpy@plt>
  mov    $0x64,%edi
  call   <malloc@plt>
  mov    %ebp,%edx
  lea    D130(%rip),%rsi
  mov    %rax,%rdi
  mov    %rax,0x18(%rsp)
  call   <sprintf@plt>
  mov    $0xa,%edi
  call   <malloc@plt>
  mov    0xc(%rsp),%edx
  mov    %r12,%rsi
  mov    %rax,%rdi
  mov    %rax,0x20(%rsp)
  call   <sprintf@plt>
  mov    $0xa,%edi
  call   <malloc@plt>
  mov    %r14d,%edx
  mov    %r12,%rsi
  mov    %rax,%rdi
  mov    %rax,0x28(%rsp)
  call   <sprintf@plt>
  mov    %r14d,%edi
  call   <malloc@plt>
  mov    %r13,%rsi
  mov    %rax,%rdi
  mov    %rax,0x30(%rsp)
  call   <strcpy@plt>
  lea    D28(%rip),%r11
  lea    0x10(%rsp),%rsi
  movq   $0x0,0x38(%rsp)
  mov    %r11,%rdi
  call   <execvp@plt>
  lea    D13(%rip),%rdi
  call   <puts@plt>
  jmp    L87
L177:
  cmpw   $0x6572,0x44(%rsp)
  jne    L161
  cmpb   $0x0,0x46(%rsp)
  jne    L161
  mov    $0x8,%edi
  mov    %r10d,0xc(%rsp)
  call   <malloc@plt>
  lea    D54(%rip),%r11
  mov    %r11,%rsi
  mov    %rax,%rdi
  mov    %rax,0x10(%rsp)
  call   <strcpy@plt>
  mov    $0x64,%edi
  call   <malloc@plt>
  mov    %ebp,%edx
  lea    D130(%rip),%rsi
  mov    %rax,%rdi
  mov    %rax,0x18(%rsp)
  call   <sprintf@plt>
  mov    $0xa,%edi
  call   <malloc@plt>
  mov    0xc(%rsp),%edx
  mov    %r12,%rsi
  mov    %rax,%rdi
  mov    %rax,0x20(%rsp)
  call   <sprintf@plt>
  mov    $0xa,%edi
  call   <malloc@plt>
  mov    %r14d,%edx
  mov    %r12,%rsi
  mov    %rax,%rdi
  mov    %rax,0x28(%rsp)
  call   <sprintf@plt>
  mov    %r14d,%edi
  call   <malloc@plt>
  mov    %r13,%rsi
  mov    %rax,%rdi
  mov    %rax,0x30(%rsp)
  call   <strcpy@plt>
  lea    D54(%rip),%r11
  lea    0x10(%rsp),%rsi
  movq   $0x0,0x38(%rsp)
  mov    %r11,%rdi
  call   <execvp@plt>
  lea    D13(%rip),%rdi
  call   <puts@plt>
  jmp    L87
L135:
  cmpb   $0x0,0x44(%rsp)
  mov    %r10d,0xc(%rsp)
  jne    L107
  mov    $0x8,%edi
  call   <malloc@plt>
  lea    D59(%rip),%rsi
  mov    %rax,%rdi
  mov    %rax,0x10(%rsp)
  call   <strcpy@plt>
  mov    $0x64,%edi
  call   <malloc@plt>
  mov    %ebp,%edx
  lea    D130(%rip),%rsi
  mov    %rax,%rdi
  mov    %rax,0x18(%rsp)
  call   <sprintf@plt>
  mov    $0xa,%edi
  call   <malloc@plt>
  mov    0xc(%rsp),%edx
  mov    %r12,%rsi
  mov    %rax,%rdi
  mov    %rax,0x20(%rsp)
  call   <sprintf@plt>
  mov    $0xa,%edi
  call   <malloc@plt>
  mov    %r14d,%edx
  mov    %r12,%rsi
  mov    %rax,%rdi
  mov    %rax,0x28(%rsp)
  call   <sprintf@plt>
  mov    %r14d,%edi
  call   <malloc@plt>
  mov    %r13,%rsi
  mov    %rax,%rdi
  mov    %rax,0x30(%rsp)
  call   <strcpy@plt>
  lea    0x10(%rsp),%rsi
  lea    D59(%rip),%rdi
  movq   $0x0,0x38(%rsp)
  call   <execvp@plt>
  lea    D13(%rip),%rdi
  call   <puts@plt>
  jmp    L87
L173:
  lea    D174(%rip),%rdi
  xor    %eax,%eax
  xor    %ebp,%ebp
  call   <printf@plt>
  xor    %edi,%edi
  call   <exit@plt>
  jmp    L86
L166:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: label: D11
type_guessed: string
name: disassemble_data
arguments: label: D26
type_guessed: string
name: disassemble_data
arguments: label: D176
type_guessed: string
name: disassemble_data
arguments: label: D152
type_guessed: string
name: disassemble_data
arguments: label: D147
type_guessed: string
name: disassemble_data
arguments: label: D28
type_guessed: string
name: disassemble_data
arguments: label: D130
type_guessed: string
name: disassemble_data
arguments: label: D13
type_guessed: string
name: disassemble_data
arguments: label: D54
type_guessed: string
name: disassemble_data
arguments: label: D59
type_guessed: string
name: disassemble_data
arguments: label: D174
type_guessed: string

tool: D11: Child id = %d ,Parent id= %d

tool: D26: ,Process Name= twice

tool: D176: %d

tool: D152: Error! No such %s Process Exist

tool: D147: 
Final Result is %llu

tool: D28: ./twice

tool: D130: %llu

tool: D13: 
This statement is not executed if execvp succeeds.

tool: D54: ./square

tool: D59: ./half

tool: D174: Insufficient Arguments

assistant: ```c
int main(int argc, char *argv[]) {
  char *arglist[6], process_name[100], string[100];
  int p = 0, i;
  printf("Child id = %d ,Parent id= %d", getpid(), getppid());
  unsigned long long int res = 0;
  if (argc >= 2) {
    res = twice(argv[1]);
    printf(",Process Name= twice\n");
  } else {
    printf("Insufficient Arguments");
    exit(0);
  }
  int start = atoi(argv[2]);
  int end = atoi(argv[3]);
  strcpy(string, argv[4]);
  for (i = start; i <= end; i++) {
    if (string[i] == ' ') {
      process_name[p] = '\0';
      if (!strcmp(process_name, "twice")) {
        arglist[0] = (char *)malloc(8 * sizeof(char));
        strcpy(arglist[0], "./twice");
        arglist[1] = (char *)malloc(100 * sizeof(char));
        sprintf(arglist[1], "%llu", res);
        arglist[2] = (char *)malloc(10 * sizeof(char));
        sprintf(arglist[2], "%d", i);
        arglist[3] = (char *)malloc(10 * sizeof(char));
        sprintf(arglist[3], "%d", end);
        arglist[4] = (char *)malloc(end * sizeof(char));
        strcpy(arglist[4], string);
        arglist[5] = NULL;
        execvp("./twice", arglist);
        printf("\nThis statement is not executed if execvp succeeds.\n");
      } else if (!strcmp(process_name, "square")) {
        arglist[0] = (char *)malloc(8 * sizeof(char));
        strcpy(arglist[0], "./square");
        arglist[1] = (char *)malloc(100 * sizeof(char));
        sprintf(arglist[1], "%llu", res);
        arglist[2] = (char *)malloc(10 * sizeof(char));
        sprintf(arglist[2], "%d", i);
        arglist[3] = (char *)malloc(10 * sizeof(char));
        sprintf(arglist[3], "%d", end);
        arglist[4] = (char *)malloc(end * sizeof(char));
        strcpy(arglist[4], string);
        arglist[5] = NULL;
        execvp("./square", arglist);
        printf("\nThis statement is not executed if execvp succeeds.\n");
      } else if (!strcmp(process_name, "half")) {
        arglist[0] = (char *)malloc(8 * sizeof(char));
        strcpy(arglist[0], "./half");
        arglist[1] = (char *)malloc(100 * sizeof(char));
        sprintf(arglist[1], "%llu", res);
        arglist[2] = (char *)malloc(10 * sizeof(char));
        sprintf(arglist[2], "%d", i);
        arglist[3] = (char *)malloc(10 * sizeof(char));
        sprintf(arglist[3], "%d", end);
        arglist[4] = (char *)malloc(end * sizeof(char));
        strcpy(arglist[4], string);
        arglist[5] = NULL;
        execvp("./half", arglist);
        printf("\nThis statement is not executed if execvp succeeds.\n");
      } else if (strlen(process_name)) {
        printf("Error! No such %s Process Exist", process_name);
        exit(0);
      }
    } else {
      process_name[p] = string[i];
      p++;
    }
  }
  printf("\nFinal Result is %llu", res);
  return 0;
}
```