user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %edi,%r12d
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  mov    $0x14,%edx
  mov    $0x0,%esi
  call   <memset@plt>
  cmp    $0x3,%r12d
  jle    L40
  mov    0x8(%rbx),%r13
  lea    D101(%rip),%rsi
  mov    %r13,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L227
  cmp    $0x4,%r12d
  jne    L192
L1:
  mov    0x18(%rbx),%rdi
  call   <atoi@plt>
  mov    %eax,%ebp
  mov    0x10(%rbx),%rsi
  mov    %rsp,%rbx
  mov    $0x13,%edx
  mov    %rbx,%rdi
  call   <strncpy@plt>
  mov    $0x0,%edx
  mov    $0x0,%esi
  lea    D42(%rip),%rdi
  call   <init_memshare@plt>
  mov    %ebp,%esi
  mov    %rbx,%rdi
  call   <signal1@plt>
  mov    %eax,%ebp
  jmp    L229
L40:
  mov    $0x0,%eax
  call   <print_usage@plt>
  mov    $0x2,%edi
  call   <exit@plt>
  mov    0x8(%rbx),%r13
  lea    D101(%rip),%rsi
  mov    %r13,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  je     L192
  lea    D80(%rip),%rsi
  mov    %r13,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  je     L134
L152:
  lea    D48(%rip),%rsi
  mov    %r13,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L148
  cmp    $0x6,%r12d
  jne    L53
L44:
  mov    0x18(%rbx),%rdi
  call   <atoi@plt>
  mov    %eax,%ebp
  mov    0x20(%rbx),%rdi
  call   <atoi@plt>
  mov    %eax,%r12d
  mov    0x28(%rbx),%rdi
  call   <atoi@plt>
  mov    %eax,%r13d
  mov    0x10(%rbx),%rsi
  mov    %rsp,%rbx
  mov    $0x13,%edx
  mov    %rbx,%rdi
  call   <strncpy@plt>
  mov    $0x0,%edx
  mov    $0x0,%esi
  lea    D42(%rip),%rdi
  call   <init_memshare@plt>
  mov    %r13d,%ecx
  mov    %r12d,%edx
  mov    %ebp,%esi
  mov    %rbx,%rdi
  call   <signal3@plt>
  mov    %eax,%ebp
  jmp    L229
L192:
  mov    $0x0,%eax
  call   <print_usage@plt>
  mov    $0x2,%edi
  call   <exit@plt>
  jmp    L1
L227:
  lea    D80(%rip),%rsi
  mov    %r13,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L152
  cmp    $0x5,%r12d
  jne    L134
L120:
  mov    0x18(%rbx),%rdi
  call   <atoi@plt>
  mov    %eax,%ebp
  mov    0x20(%rbx),%rdi
  call   <atoi@plt>
  mov    %eax,%r12d
  mov    0x10(%rbx),%rsi
  mov    %rsp,%rbx
  mov    $0x13,%edx
  mov    %rbx,%rdi
  call   <strncpy@plt>
  mov    $0x0,%edx
  mov    $0x0,%esi
  lea    D42(%rip),%rdi
  call   <init_memshare@plt>
  mov    %r12d,%edx
  mov    %ebp,%esi
  mov    %rbx,%rdi
  call   <signal2@plt>
  mov    %eax,%ebp
  jmp    L229
L134:
  mov    $0x0,%eax
  call   <print_usage@plt>
  mov    $0x2,%edi
  call   <exit@plt>
  jmp    L120
L53:
  call   <print_usage@plt>
  mov    $0x2,%edi
  call   <exit@plt>
  jmp    L44
L148:
  lea    D85(%rip),%rsi
  mov    %r13,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L153
  cmp    $0x4,%r12d
  jne    L5
L84:
  mov    0x18(%rbx),%rdi
  call   <strlen@plt>
  mov    %eax,%ebp
  mov    0x10(%rbx),%rsi
  mov    %rsp,%r13
  mov    $0x13,%edx
  mov    %r13,%rdi
  call   <strncpy@plt>
  mov    %ebp,%edi
  call   <malloc@plt>
  mov    %rax,%r12
  mov    0x18(%rbx),%rsi
  mov    %ebp,%edx
  mov    %rax,%rdi
  call   <strncpy@plt>
  mov    $0x0,%edx
  mov    $0x0,%esi
  lea    D42(%rip),%rdi
  call   <init_memshare@plt>
  mov    %ebp,%edx
  mov    %r12,%rsi
  mov    %r13,%rdi
  call   <data@plt>
  mov    %eax,%ebp
  mov    %r12,%rdi
  call   <free@plt>
L229:
  test   %ebp,%ebp
  je     L97
  cmp    $0x1,%ebp
  je     L11
L198:
  mov    $0x2,%edi
  call   <exit@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L31
  mov    $0x0,%eax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L5:
  call   <print_usage@plt>
  mov    $0x2,%edi
  call   <exit@plt>
  jmp    L84
L97:
  mov    $0x0,%edi
  call   <exit@plt>
  jmp    L198
L11:
  mov    %rsp,%rsi
  lea    D93(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L198
L153:
  mov    $0x0,%eax
  call   <print_usage@plt>
  mov    $0x3,%edi
  call   <exit@plt>
  mov    $0x0,%edx
  mov    $0x0,%esi
  lea    D42(%rip),%rdi
  call   <init_memshare@plt>
  jmp    L229
L31:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D101
type_infered: string
name: retrieve_data
arguments: data_label: D42
type_infered: string
name: retrieve_data
arguments: data_label: D80
type_infered: string
name: retrieve_data
arguments: data_label: D48
type_infered: string
name: retrieve_data
arguments: data_label: D85
type_infered: string
name: retrieve_data
arguments: data_label: D93
type_infered: string

tool: D101: -s1

tool: D42: memsend

tool: D80: -s2

tool: D48: -s3

tool: D85: -d

tool: D93: The destination process %s is not present!


assistant: ```c
int main(int argc, char *argv[]) {
  int value1, value2, value3, mode = 0, retvalue, data_size;
  char dest_proc[20], *datastr;
  memset(dest_proc, '\0', 20);
  if (argc < 4) {
    print_usage();
    exit(2);
  }
  if (!strcmp(argv[1], "-s1")) {
    if (argc != 4) {
      print_usage();
      exit(2);
    }
    mode = 1;
    value1 = atoi(argv[3]);
    strncpy(dest_proc, argv[2], (20 - 1));
  } else if (!strcmp(argv[1], "-s2")) {
    if (argc != 5) {
      print_usage();
      exit(2);
    }
    mode = 2;
    value1 = atoi(argv[3]);
    value2 = atoi(argv[4]);
    strncpy(dest_proc, argv[2], (20 - 1));
  } else if (!strcmp(argv[1], "-s3")) {
    if (argc != 6) {
      print_usage();
      exit(2);
    }
    mode = 3;
    value1 = atoi(argv[3]);
    value2 = atoi(argv[4]);
    value3 = atoi(argv[5]);
    strncpy(dest_proc, argv[2], (20 - 1));
  } else if (!strcmp(argv[1], "-d")) {
    if (argc != 4) {
      print_usage();
      exit(2);
    }
    mode = 4;
    data_size = strlen(argv[3]);
    strncpy(dest_proc, argv[2], (20 - 1));
    datastr = malloc(data_size);
    strncpy(datastr, argv[3], data_size);
  }
  if (mode == 0) {
    print_usage();
    exit(3);
  }
  init_memshare("memsend", 0, 0);
  switch (mode) {
  case 1:
    retvalue = signal1(dest_proc, value1);
    break;
  case 2:
    retvalue = signal2(dest_proc, value1, value2);
    break;
  case 3:
    retvalue = signal3(dest_proc, value1, value2, value3);
    break;
  case 4:
    retvalue = data(dest_proc, datastr, data_size);
    free(datastr);
    break;
  default:
    break;
  }
  if (retvalue == 0)
    exit(0);
  if (retvalue == 1) {
    printf("The destination process %s is not present!\n", dest_proc);
    exit(1);
  }
  exit(2);
}
```