user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<test_ft_memset>:
  endbr64
  push   %r12
  lea    D6(%rip),%rdi
  push   %rbp
  push   %rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x3(%rsp),%rbx
  call   <puts@plt>
  lea    D35(%rip),%rdi
  xor    %eax,%eax
  call   <_it@plt>
  xor    %edx,%edx
  mov    $0x61,%esi
  mov    %rbx,%rdi
  xor    %eax,%eax
  movl   $0x62626262,0x3(%rsp)
  movb   $0x62,0x7(%rsp)
  call   <ft_memset@plt>
  xor    %eax,%eax
  call   <_begin_assert@plt>
  xor    %eax,%eax
  cmpb   $0x61,0x3(%rsp)
  je     L57
  call   <_begin_assert@plt>
  cmpb   $0x61,0x4(%rsp)
  je     L74
  mov    $0x1,%edx
  mov    $0x61,%esi
  mov    %rbx,%rdi
  xor    %eax,%eax
  movl   $0x62626262,0x3(%rsp)
  movb   $0x62,0x7(%rsp)
  call   <ft_memset@plt>
  xor    %eax,%eax
  call   <_begin_assert@plt>
  xor    %eax,%eax
  cmpb   $0x61,0x3(%rsp)
  je     L173
  call   <_fail_test@plt>
  mov    $0x1f,%edi
  xor    %eax,%eax
  call   <_color@plt>
  mov    $0x23,%edx
L96:
  lea    D36(%rip),%rsi
  lea    D47(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <_color@plt>
  mov    $0x1,%eax
L152:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L50
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L173:
  call   <_begin_assert@plt>
  cmpb   $0x61,0x4(%rsp)
  je     L180
  mov    $0x4,%edx
  mov    $0x61,%esi
  mov    %rbx,%rdi
  xor    %eax,%eax
  movl   $0x62626262,0x3(%rsp)
  mov    %rbx,%rbp
  lea    0x7(%rsp),%r12
  movb   $0x62,0x7(%rsp)
  call   <ft_memset@plt>
L181:
  xor    %eax,%eax
  call   <_begin_assert@plt>
  cmpb   $0x61,0x0(%rbp)
  jne    L107
  add    $0x1,%rbp
  cmp    %r12,%rbp
  jne    L181
  xor    %eax,%eax
  call   <_begin_assert@plt>
  cmpb   $0x61,0x7(%rsp)
  je     L188
  lea    D1(%rip),%rdi
  xor    %eax,%eax
  call   <_it@plt>
  xor    %eax,%eax
  call   <_begin_assert@plt>
  xor    %edx,%edx
  xor    %eax,%eax
  mov    $0x61,%esi
  mov    %rbx,%rdi
  call   <ft_memset@plt>
  cltq
  cmp    %rax,%rbx
  mov    $0x0,%eax
  je     L112
  call   <_fail_test@plt>
  mov    $0x1f,%edi
  xor    %eax,%eax
  call   <_color@plt>
  mov    $0x30,%edx
  jmp    L96
  nopw   0x0(%rax,%rax,1)
L57:
  call   <_fail_test@plt>
  mov    $0x1f,%edi
  xor    %eax,%eax
  call   <_color@plt>
  mov    $0x1d,%edx
  jmp    L96
  nopl   0x0(%rax,%rax,1)
L74:
  xor    %eax,%eax
  call   <_fail_test@plt>
  mov    $0x1f,%edi
  xor    %eax,%eax
  call   <_color@plt>
  mov    $0x1e,%edx
  jmp    L96
  nopl   (%rax)
L112:
  call   <_begin_assert@plt>
  xor    %eax,%eax
  mov    $0x1,%edx
  mov    %rbx,%rdi
  mov    $0x61,%esi
  call   <ft_memset@plt>
  cltq
  cmp    %rax,%rbx
  mov    $0x0,%eax
  je     L41
  call   <_fail_test@plt>
  mov    $0x1f,%edi
  xor    %eax,%eax
  call   <_color@plt>
  mov    $0x31,%edx
  jmp    L96
L180:
  xor    %eax,%eax
  call   <_fail_test@plt>
  mov    $0x1f,%edi
  xor    %eax,%eax
  call   <_color@plt>
  mov    $0x24,%edx
  jmp    L96
  nopl   (%rax)
L188:
  xor    %eax,%eax
  call   <_fail_test@plt>
  mov    $0x1f,%edi
  xor    %eax,%eax
  call   <_color@plt>
  mov    $0x2c,%edx
  jmp    L96
  nopl   (%rax)
L41:
  call   <_begin_assert@plt>
  xor    %eax,%eax
  mov    $0x4,%edx
  mov    %rbx,%rdi
  mov    $0x61,%esi
  call   <ft_memset@plt>
  cltq
  cmp    %rax,%rbx
  mov    $0x0,%eax
  je     L47
  call   <_fail_test@plt>
  mov    $0x1f,%edi
  xor    %eax,%eax
  call   <_color@plt>
  mov    $0x32,%edx
  jmp    L96
L107:
  xor    %eax,%eax
  call   <_fail_test@plt>
  mov    $0x1f,%edi
  xor    %eax,%eax
  call   <_color@plt>
  mov    $0x2b,%edx
  jmp    L96
  nopl   (%rax)
L47:
  call   <_close_pending@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  xor    %eax,%eax
  jmp    L152
L50:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D6
type_infered: string
name: retrieve_data
arguments: data_label: D35
type_infered: string
name: retrieve_data
arguments: data_label: D36
type_infered: string
name: retrieve_data
arguments: data_label: D47
type_infered: string
name: retrieve_data
arguments: data_label: D1
type_infered: string

tool: D6: ft_memset

tool: D35: should write len bytes of value c to the string b

tool: D36: test_ft_memset

tool: D47: 
failure in %s() line %d


tool: D1: return its first argument

assistant: ```c
int test_ft_memset() {
  char src = 'a';
  char dst[5];
  printf("%s\n", __func__ + 5);
  _it("should write len bytes of value c to the string b");
  memset(dst, src + 1, 5);
  ft_memset(dst, src, 0);
  do {
    _begin_assert();
    if (!(dst[0] != src)) {
      _fail_test();
      do {
        _color(31);
        printf("\nfailure in %s() line %d\n", __func__, 29);
        _color(0);
      } while (0);
      return 1;
    }
  } while (0);
  do {
    _begin_assert();
    if (!(dst[1] != src)) {
      _fail_test();
      do {
        _color(31);
        printf("\nfailure in %s() line %d\n", __func__, 30);
        _color(0);
      } while (0);
      return 1;
    }
  } while (0);
  memset(dst, src + 1, 5);
  ft_memset(dst, src, 1);
  do {
    _begin_assert();
    if (!(dst[0] == src)) {
      _fail_test();
      do {
        _color(31);
        printf("\nfailure in %s() line %d\n", __func__, 35);
        _color(0);
      } while (0);
      return 1;
    }
  } while (0);
  do {
    _begin_assert();
    if (!(dst[1] != src)) {
      _fail_test();
      do {
        _color(31);
        printf("\nfailure in %s() line %d\n", __func__, 36);
        _color(0);
      } while (0);
      return 1;
    }
  } while (0);
  memset(dst, src + 1, 5);
  ft_memset(dst, src, 4);
  int i = -1;
  while (++i < 4)
    do {
      _begin_assert();
      if (!(dst[i] == src)) {
        _fail_test();
        do {
          _color(31);
          printf("\nfailure in %s() line %d\n", __func__, 43);
          _color(0);
        } while (0);
        return 1;
      }
    } while (0);
  do {
    _begin_assert();
    if (!(dst[4] != src)) {
      _fail_test();
      do {
        _color(31);
        printf("\nfailure in %s() line %d\n", __func__, 44);
        _color(0);
      } while (0);
      return 1;
    }
  } while (0);
  _it("return its first argument");
  do {
    _begin_assert();
    if (!(dst == ft_memset(dst, src, 0))) {
      _fail_test();
      do {
        _color(31);
        printf("\nfailure in %s() line %d\n", __func__, 48);
        _color(0);
      } while (0);
      return 1;
    }
  } while (0);
  do {
    _begin_assert();
    if (!(dst == ft_memset(dst, src, 1))) {
      _fail_test();
      do {
        _color(31);
        printf("\nfailure in %s() line %d\n", __func__, 49);
        _color(0);
      } while (0);
      return 1;
    }
  } while (0);
  do {
    _begin_assert();
    if (!(dst == ft_memset(dst, src, 4))) {
      _fail_test();
      do {
        _color(31);
        printf("\nfailure in %s() line %d\n", __func__, 50);
        _color(0);
      } while (0);
      return 1;
    }
  } while (0);
  do {
    _close_pending();
    printf("\n");
    return (0);
  } while (0);
}
```