user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  cmp    $0x6,%edi
  je     L22
  lea    D46(%rip),%rdi
  call   <puts@plt>
  mov    (%rbx),%rsi
  lea    D6(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%edi
  call   <exit@plt>
L22:
  lea    D17(%rip),%rdi
  call   <puts@plt>
  mov    0x28(%rbx),%rdi
  mov    $0x0,%eax
  call   <atoi@plt>
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <omp_set_num_threads@plt>
  lea    D32(%rip),%rdi
  call   <puts@plt>
  lea    0x10(%rsp),%rcx
  mov    0x18(%rbx),%rdx
  mov    0x10(%rbx),%rsi
  mov    0x8(%rbx),%rdi
  lea    0x14(%rsp),%r8
  mov    $0x0,%eax
  call   <gethead@plt>
  mov    0x10(%rsp),%r15d
  movslq %r15d,%r12
  shl    $0x3,%r12
  mov    %r12,%rdi
  call   <malloc@plt>
  mov    %rax,%rbp
  mov    %r12,%rdi
  call   <malloc@plt>
  mov    %rax,%r12
  test   %rbp,%rbp
  je     L100
  test   %rax,%rax
  je     L100
  mov    0x14(%rsp),%eax
  mov    %eax,0xc(%rsp)
  movslq %eax,%r13
  lea    0x0(,%r13,8),%rdi
  call   <malloc@plt>
  mov    %rax,%r14
  lea    0x0(,%r13,4),%rdi
  call   <malloc@plt>
  mov    %rax,%r13
  lea    0x1(%r15),%edi
  movslq %edi,%rdi
  shl    $0x2,%rdi
  call   <malloc@plt>
  mov    %rax,%rcx
  mov    %rax,(%rsp)
  test   %r14,%r14
  sete   %al
  test   %r13,%r13
  sete   %dl
  or     %dl,%al
  jne    L81
  test   %rcx,%rcx
  je     L81
  mov    0x18(%rbx),%rdx
  mov    0x10(%rbx),%rsi
  mov    0x8(%rbx),%rdi
  mov    0xc(%rsp),%eax
  push   %rax
  push   %r15
  push   %r12
  push   %rbp
  mov    %r14,%r9
  mov    0x20(%rsp),%r15
  mov    %r15,%r8
  mov    %r13,%rcx
  mov    $0x0,%eax
  call   <getdata@plt>
  add    $0x20,%rsp
  mov    0x20(%rbx),%rdi
  mov    $0x0,%eax
  call   <atoi@plt>
  mov    %eax,%ebx
  lea    D65(%rip),%rdi
  call   <puts@plt>
  mov    0x14(%rsp),%eax
  push   %rax
  push   %rbx
  movsd  D31(%rip),%xmm0
  mov    0x20(%rsp),%r9d
  mov    %r12,%r8
  mov    %rbp,%rcx
  mov    %r15,%rdx
  mov    %r13,%rsi
  mov    %r14,%rdi
  mov    $0x1,%eax
  call   <cgm_CRS@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  mov    %r12,%rdi
  call   <free@plt>
  mov    %r14,%rdi
  call   <free@plt>
  mov    %r13,%rdi
  call   <free@plt>
  mov    %r15,%rdi
  call   <free@plt>
  add    $0x10,%rsp
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L48
  mov    $0x0,%eax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L100:
  lea    D54(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  test   %rbp,%rbp
  je     L78
  mov    %rbp,%rdi
  call   <free@plt>
L78:
  test   %r12,%r12
  je     L73
  mov    %r12,%rdi
  call   <free@plt>
L73:
  mov    $0x1,%edi
  call   <exit@plt>
L81:
  lea    D45(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  mov    %r12,%rdi
  call   <free@plt>
  test   %r14,%r14
  je     L58
  mov    %r14,%rdi
  call   <free@plt>
L58:
  test   %r13,%r13
  je     L67
  mov    %r13,%rdi
  call   <free@plt>
L67:
  mov    (%rsp),%rax
  test   %rax,%rax
  je     L8
  mov    %rax,%rdi
  call   <free@plt>
L8:
  mov    $0x1,%edi
  call   <exit@plt>
L48:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_label: D46
type_infered: string
name: disassemble_data
arguments: data_label: D6
type_infered: string
name: disassemble_data
arguments: data_label: D17
type_infered: string
name: disassemble_data
arguments: data_label: D32
type_infered: string
name: disassemble_data
arguments: data_label: D65
type_infered: string
name: disassemble_data
arguments: data_label: D31
type_infered: byte[8]
name: disassemble_data
arguments: data_label: D54
type_infered: string
name: disassemble_data
arguments: data_label: D45
type_infered: string

tool: D46: Usage 

tool: D6: %s colval ptr bx maxloop thread


tool: D17: --set OpenMP

tool: D32: --check error

tool: D65: --result--

tool: {"D31": [0xbb,0xbd,0xd7,0xd9,0xdf,0x7c,0xdb,0x3d]}

tool: D54: malloc b x error

tool: D45: malloc val col ptr error

assistant: ```c
int main(int argc, char const *argv[]) {
  int N;
  int M;
  int MAX;
  double *b;
  double *x;
  double *val;
  int *col;
  int *ptr;
  if (argc != 6) {
    printf("Usage \n");
    printf("%s colval ptr bx maxloop thread\n", argv[0]);
    exit(0);
  }
  printf("--set OpenMP\n");
  omp_set_num_threads(atoi(argv[5]));
  printf("--check error\n");
  gethead(argv[1], argv[2], argv[3], &N, &M);
  b = (double *)malloc(sizeof(double) * N);
  x = (double *)malloc(sizeof(double) * N);
  if (!b || !x) {
    printf("malloc b x error");
    if (b)
      free(b);
    if (x)
      free(x);
    exit(1);
  }
  val = (double *)malloc(sizeof(double) * M);
  col = (int *)malloc(sizeof(int) * M);
  ptr = (int *)malloc(sizeof(int) * (N + 1));
  if (!val || !col || !ptr) {
    printf("malloc val col ptr error");
    if (b)
      free(b);
    if (x)
      free(x);
    if (val)
      free(val);
    if (col)
      free(col);
    if (ptr)
      free(ptr);
    exit(1);
  }
  getdata(argv[1], argv[2], argv[3], col, ptr, val, b, x, N, M);
  int alpha = atoi(argv[4]);
  MAX = alpha;
  printf("--result--\n");
  cgm_CRS(val, col, ptr, b, x, N, 1e-10, MAX, M);
  free(b);
  free(x);
  free(val);
  free(col);
  free(ptr);
  return 0;
}
```