user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    $0x1000,%edi
  call   <Mem_Init@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0x1f4,%edi
  call   <Mem_Alloc@plt>
  mov    %rax,-0x40(%rbp)
  mov    -0x40(%rbp),%rax
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0x1f4,%edi
  call   <Mem_Alloc@plt>
  mov    %rax,-0x38(%rbp)
  mov    -0x38(%rbp),%rax
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0x1f4,%edi
  call   <Mem_Alloc@plt>
  mov    %rax,-0x30(%rbp)
  mov    -0x30(%rbp),%rax
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0x1f4,%edi
  call   <Mem_Alloc@plt>
  mov    %rax,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0x1f4,%edi
  call   <Mem_Alloc@plt>
  mov    %rax,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0x1f4,%edi
  call   <Mem_Alloc@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0x1f4,%edi
  call   <Mem_Alloc@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  nop
L14:
  mov    $0x1f4,%edi
  call   <Mem_Alloc@plt>
  test   %rax,%rax
  jne    L14
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <Mem_Free@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <Mem_Free@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x30(%rbp),%rax
  mov    %rax,%rdi
  call   <Mem_Free@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <Mem_Free@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <Mem_Free@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0x9c4,%edi
  call   <Mem_Alloc@plt>
  mov    %rax,-0x30(%rbp)
  mov    -0x30(%rbp),%rax
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0x0,%edi
  call   <exit@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L3
  call   <__stack_chk_fail@plt>
L3:
  leave
  ret
```

assistant: ```c
int main() {
  assert(Mem_Init(4096) == 0);
  void *ptr[7];
  ptr[0] = Mem_Alloc(500);
  assert(ptr[0] != NULL);
  ptr[1] = Mem_Alloc(500);
  assert(ptr[1] != NULL);
  ptr[2] = Mem_Alloc(500);
  assert(ptr[2] != NULL);
  ptr[3] = Mem_Alloc(500);
  assert(ptr[3] != NULL);
  ptr[4] = Mem_Alloc(500);
  assert(ptr[4] != NULL);
  ptr[5] = Mem_Alloc(500);
  assert(ptr[5] != NULL);
  ptr[6] = Mem_Alloc(500);
  assert(ptr[6] != NULL);
  while (Mem_Alloc(500) != NULL)
    ;
  assert(Mem_Free(ptr[1]) == 0);
  assert(Mem_Free(ptr[5]) == 0);
  assert(Mem_Free(ptr[2]) == 0);
  assert(Mem_Free(ptr[4]) == 0);
  assert(Mem_Free(ptr[3]) == 0);
  ptr[2] = Mem_Alloc(2500);
  assert(ptr[2] != NULL);
  exit(0);
}
```