ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将以下的汇编代码转换成C语言代码：

```asm
<connect_v4_prog>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  mov    $0x7f000001,%edi
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <__builtin_constant_p@plt>
  mov    $0x7f000001,%edi
  test   %rax,%rax
  je     L98
  call   <___constant_swab32@plt>
L63:
  mov    %rax,0x10(%rbp)
  mov    $0x115c,%edi
  call   <__builtin_constant_p@plt>
  mov    $0x115c,%edi
  test   %rax,%rax
  je     L111
  call   <___constant_swab16@plt>
L109:
  mov    D3(%rip),%rdx
  mov    %rax,0x8(%rbp)
  mov    0x0(%rbp),%rax
  cmp    (%rdx),%rax
  je     L19
  mov    D25(%rip),%rdx
  mov    $0x1,%r8d
  cmp    (%rdx),%rax
  je     L19
L50:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L89
  add    $0x28,%rsp
  mov    %r8d,%eax
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L98:
  call   <__builtin_bswap32@plt>
  jmp    L63
  nopw   0x0(%rax,%rax,1)
L111:
  call   <__builtin_bswap16@plt>
  jmp    L109
  nopw   0x0(%rax,%rax,1)
L19:
  mov    %rsp,%r12
  mov    $0x18,%edx
  xor    %esi,%esi
  mov    %r12,%rdi
  call   <memset@plt>
  mov    D7(%rip),%rax
  xor    %edi,%edi
  mov    (%rax),%eax
  mov    %eax,0x10(%rsp)
  call   <__builtin_constant_p@plt>
  xor    %edi,%edi
  test   %rax,%rax
  je     L43
  call   <___constant_swab16@plt>
L29:
  mov    $0x7f000004,%edi
  mov    %rax,0x8(%rsp)
  call   <__builtin_constant_p@plt>
  mov    $0x7f000004,%edi
  test   %rax,%rax
  je     L8
  call   <___constant_swab32@plt>
L88:
  mov    $0x18,%edx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  mov    %rax,(%rsp)
  call   <bpf_bind@plt>
  xor    %r8d,%r8d
  test   %rax,%rax
  sete   %r8b
  jmp    L50
  nopl   0x0(%rax,%rax,1)
L43:
  call   <__builtin_bswap16@plt>
  jmp    L29
  nop
L8:
  call   <__builtin_bswap32@plt>
  jmp    L88
L89:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
__attribute__((section("cgroup/connect4"), used)) int connect_v4_prog(struct bpf_sock_addr *ctx) {
  struct sockaddr_in sa;
  ctx->user_ip4 = (__builtin_constant_p(0x7f000001U) ? ___constant_swab32(0x7f000001U) : __builtin_bswap32(0x7f000001U));
  ctx->user_port = (__builtin_constant_p(4444) ? ___constant_swab16(4444) : __builtin_bswap16(4444));
  if (ctx->type == SOCK_DGRAM || ctx->type == SOCK_STREAM) {
    memset(&sa, 0, sizeof(sa));
    sa.sin_family = AF_INET;
    sa.sin_port = (__builtin_constant_p(0) ? ___constant_swab16(0) : __builtin_bswap16(0));
    sa.sin_addr.s_addr = (__builtin_constant_p(0x7f000004U) ? ___constant_swab32(0x7f000004U) : __builtin_bswap32(0x7f000004U));
    if (bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa)) != 0)
      return 0;
  }
  return 1;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<connect_v4_prog>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  mov    $0x7f000001,%edi
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <__builtin_constant_p@plt>
  mov    $0x7f000001,%edi
  test   %rax,%rax
  je     L73
  call   <___constant_swab32@plt>
L72:
  mov    %rax,0x10(%rbp)
  mov    $0x115c,%edi
  call   <__builtin_constant_p@plt>
  mov    $0x115c,%edi
  test   %rax,%rax
  je     L27
  call   <___constant_swab16@plt>
L18:
  mov    D21(%rip),%rdx
  mov    %rax,0x8(%rbp)
  mov    0x0(%rbp),%rax
  cmp    (%rdx),%rax
  je     L66
  mov    D25(%rip),%rdx
  mov    $0x1,%r8d
  cmp    (%rdx),%rax
  je     L66
L69:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L46
  add    $0x28,%rsp
  mov    %r8d,%eax
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L73:
  call   <__builtin_bswap32@plt>
  jmp    L72
  nopw   0x0(%rax,%rax,1)
L27:
  call   <__builtin_bswap16@plt>
  jmp    L18
  nopw   0x0(%rax,%rax,1)
L66:
  mov    %rsp,%r12
  mov    $0x18,%edx
  xor    %esi,%esi
  mov    %r12,%rdi
  call   <memset@plt>
  mov    D3(%rip),%rax
  xor    %edi,%edi
  mov    (%rax),%eax
  mov    %eax,0x10(%rsp)
  call   <__builtin_constant_p@plt>
  xor    %edi,%edi
  test   %rax,%rax
  je     L33
  call   <___constant_swab16@plt>
L84:
  mov    $0x7f000004,%edi
  mov    %rax,0x8(%rsp)
  call   <__builtin_constant_p@plt>
  mov    $0x7f000004,%edi
  test   %rax,%rax
  je     L63
  call   <___constant_swab32@plt>
L16:
  mov    $0x18,%edx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  mov    %rax,(%rsp)
  call   <bpf_bind@plt>
  xor    %r8d,%r8d
  test   %rax,%rax
  sete   %r8b
  jmp    L69
  nopl   0x0(%rax,%rax,1)
L33:
  call   <__builtin_bswap16@plt>
  jmp    L84
  nop
L63:
  call   <__builtin_bswap32@plt>
  jmp    L16
L46:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
__attribute__((section("cgroup/connect4"), used)) int connect_v4_prog(struct bpf_sock_addr *ctx) {
  struct sockaddr_in sa;
  ctx->user_ip4 = (__builtin_constant_p(0x7f000001U) ? ___constant_swab32(0x7f000001U) : __builtin_bswap32(0x7f000001U));
  ctx->user_port = (__builtin_constant_p(4444) ? ___constant_swab16(4444) : __builtin_bswap16(4444));
  if (ctx->type == SOCK_DGRAM || ctx->type == SOCK_STREAM) {
    memset(&sa, 0, sizeof(sa));
    sa.sin_family = AF_INET;
    sa.sin_port = (__builtin_constant_p(0) ? ___constant_swab16(0) : __builtin_bswap16(0));
    sa.sin_addr.s_addr = (__builtin_constant_p(0x7f000004U) ? ___constant_swab32(0x7f000004U) : __builtin_bswap32(0x7f000004U));
    if (bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa)) != 0)
      return 0;
  }
  return 1;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<free3>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  nop
  leave
  ret
```

assistant: ```c
void free3(void ***p) {
  free(p[0][0]);
  free(p[0]);
  free(p);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<free3>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  mov    (%rdi),%rax
  mov    (%rax),%rdi
  call   <free@plt>
  mov    (%rbx),%rdi
  call   <free@plt>
  mov    %rbx,%rdi
  call   <free@plt>
  pop    %rbx
  ret
```

assistant: ```c
void free3(void ***p) {
  free(p[0][0]);
  free(p[0]);
  free(p);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<free3>:
  endbr64
  push   %rbp
  mov    (%rdi),%rax
  mov    %rdi,%rbp
  mov    (%rax),%rdi
  call   <free@plt>
  mov    0x0(%rbp),%rdi
  call   <free@plt>
  mov    %rbp,%rdi
  pop    %rbp
  jmp    1050 <free@plt>
```

assistant: ```c
void free3(void ***p) {
  free(p[0][0]);
  free(p[0]);
  free(p);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<free3>:
  endbr64
  push   %rbp
  mov    (%rdi),%rax
  mov    %rdi,%rbp
  mov    (%rax),%rdi
  call   <free@plt>
  mov    0x0(%rbp),%rdi
  call   <free@plt>
  mov    %rbp,%rdi
  pop    %rbp
  jmp    1050 <free@plt>
```

assistant: ```c
void free3(void ***p) {
  free(p[0][0]);
  free(p[0]);
  free(p);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<example_parse_wxh>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x140,%rsp
  mov    %rdi,-0x128(%rbp)
  mov    %esi,-0x12c(%rbp)
  mov    %rdx,-0x138(%rbp)
  mov    %rcx,-0x140(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x11c(%rbp)
  jmp    L90
L93:
  mov    -0x11c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x128(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x78,%al
  je     L19
  addl   $0x1,-0x11c(%rbp)
L90:
  mov    -0x11c(%rbp),%eax
  cmp    -0x12c(%rbp),%eax
  jl     L93
  jmp    L15
L19:
  nop
L15:
  mov    -0x11c(%rbp),%eax
  add    $0x1,%eax
  cmp    %eax,-0x12c(%rbp)
  jg     L127
  mov    $0xfffffff9,%eax
  jmp    L71
L127:
  mov    -0x11c(%rbp),%eax
  cmp    $0xff,%eax
  jbe    L84
  mov    $0xfffffff4,%eax
  jmp    L71
L84:
  mov    -0x11c(%rbp),%edx
  mov    -0x128(%rbp),%rcx
  lea    -0x110(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0x11c(%rbp),%eax
  cltq
  movb   $0x0,-0x110(%rbp,%rax,1)
  lea    -0x118(%rbp),%rdx
  lea    -0x110(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strtod@plt>
  movq   %xmm0,%rax
  mov    -0x138(%rbp),%rdx
  mov    %rax,(%rdx)
  mov    -0x118(%rbp),%rdx
  lea    -0x110(%rbp),%rax
  cmp    %rax,%rdx
  jne    L37
  mov    $0xfffffff9,%eax
  jmp    L71
L37:
  mov    -0x12c(%rbp),%eax
  sub    -0x11c(%rbp),%eax
  cmp    $0x100,%eax
  jbe    L139
  mov    $0xfffffff4,%eax
  jmp    L71
L139:
  mov    -0x12c(%rbp),%eax
  sub    -0x11c(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    -0x11c(%rbp),%eax
  cltq
  lea    0x1(%rax),%rcx
  mov    -0x128(%rbp),%rax
  add    %rax,%rcx
  lea    -0x110(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0x12c(%rbp),%eax
  sub    -0x11c(%rbp),%eax
  sub    $0x1,%eax
  cltq
  movb   $0x0,-0x110(%rbp,%rax,1)
  lea    -0x118(%rbp),%rdx
  lea    -0x110(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strtod@plt>
  movq   %xmm0,%rax
  mov    -0x140(%rbp),%rdx
  mov    %rax,(%rdx)
  mov    -0x118(%rbp),%rdx
  lea    -0x110(%rbp),%rax
  cmp    %rax,%rdx
  jne    L16
  mov    $0xfffffff9,%eax
  jmp    L71
L16:
  mov    $0x0,%eax
L71:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L10
  call   <__stack_chk_fail@plt>
L10:
  leave
  ret
```

assistant: ```c
int example_parse_wxh(const char *val, int size, double *pw, double *ph) {
  char buf[256];
  char *tail;
  int i;
  for (i = 0; i < size; i++)
    if (val[i] == 'x')
      break;
  if (i + 1 >= size)
    return -7;
  if (i >= sizeof(buf))
    return -12;
  memcpy(buf, val, i);
  buf[i] = 0;
  *pw = strtod(buf, &tail);
  if (tail == buf)
    return -7;
  if (size - i > sizeof(buf))
    return -12;
  memcpy(buf, val + i + 1, size - i - 1);
  buf[size - i - 1] = 0;
  *ph = strtod(buf, &tail);
  if (tail == buf)
    return -7;
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<example_parse_wxh>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x128,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x118(%rsp)
  xor    %eax,%eax
  test   %esi,%esi
  jle    L12
  mov    %rdi,%r12
  mov    %esi,%ebp
  mov    %rdx,%r14
  mov    %rcx,%r13
  mov    %rdi,%rax
  mov    $0x0,%ebx
L28:
  cmpb   $0x78,(%rax)
  je     L27
  add    $0x1,%ebx
  add    $0x1,%rax
  cmp    %ebx,%ebp
  jne    L28
  mov    %ebp,%ebx
L27:
  lea    0x1(%rbx),%eax
  cmp    %ebp,%eax
  jge    L31
  cmp    $0xff,%ebx
  ja     L79
  lea    0x10(%rsp),%r15
  mov    %ebx,%edx
  mov    %r12,%rsi
  mov    %r15,%rdi
  call   <memcpy@plt>
  movslq %ebx,%rax
  movb   $0x0,0x10(%rsp,%rax,1)
  lea    0x8(%rsp),%rsi
  mov    %r15,%rdi
  call   <strtod@plt>
  movsd  %xmm0,(%r14)
  cmp    %r15,0x8(%rsp)
  je     L3
  sub    %ebx,%ebp
  cmp    $0x100,%ebp
  ja     L4
  sub    $0x1,%ebp
  movslq %ebx,%rbx
  lea    0x1(%r12,%rbx,1),%rsi
  mov    %ebp,%edx
  mov    %r15,%rdi
  call   <memcpy@plt>
  movslq %ebp,%rbp
  movb   $0x0,0x10(%rsp,%rbp,1)
  lea    0x8(%rsp),%rsi
  mov    %r15,%rdi
  call   <strtod@plt>
  movsd  %xmm0,0x0(%r13)
  cmp    %r15,0x8(%rsp)
  mov    $0x0,%eax
  mov    $0xfffffff9,%edx
  cmove  %edx,%eax
L19:
  mov    0x118(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L121
  add    $0x128,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L12:
  mov    $0xfffffff9,%eax
  jmp    L19
L31:
  mov    $0xfffffff9,%eax
  jmp    L19
L79:
  mov    $0xfffffff4,%eax
  jmp    L19
L3:
  mov    $0xfffffff9,%eax
  jmp    L19
L4:
  mov    $0xfffffff4,%eax
  jmp    L19
L121:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int example_parse_wxh(const char *val, int size, double *pw, double *ph) {
  char buf[256];
  char *tail;
  int i;
  for (i = 0; i < size; i++)
    if (val[i] == 'x')
      break;
  if (i + 1 >= size)
    return -7;
  if (i >= sizeof(buf))
    return -12;
  memcpy(buf, val, i);
  buf[i] = 0;
  *pw = strtod(buf, &tail);
  if (tail == buf)
    return -7;
  if (size - i > sizeof(buf))
    return -12;
  memcpy(buf, val + i + 1, size - i - 1);
  buf[size - i - 1] = 0;
  *ph = strtod(buf, &tail);
  if (tail == buf)
    return -7;
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<example_parse_wxh>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x138,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x128(%rsp)
  xor    %eax,%eax
  test   %esi,%esi
  jle    L98
  mov    %rdx,%r8
  mov    %rdi,%r13
  mov    %esi,%ebp
  mov    %rcx,%r12
  mov    %rdi,%rdx
  jmp    L24
L95:
  add    $0x1,%rdx
  cmp    %eax,%ebp
  je     L86
L24:
  cmpb   $0x78,(%rdx)
  mov    %eax,%ebx
  lea    0x1(%rax),%eax
  jne    L95
L107:
  lea    0x1(%rbx),%ecx
  cmp    %ebp,%ecx
  jge    L98
  cmp    $0xff,%ebx
  jg     L69
  lea    0x20(%rsp),%r14
  mov    %ebx,%edx
  mov    %r13,%rsi
  mov    %r8,(%rsp)
  mov    %r14,%rdi
  lea    0x18(%rsp),%r15
  mov    %ecx,0xc(%rsp)
  call   <memcpy@plt>
  movslq %ebx,%rax
  mov    %r15,%rsi
  mov    %r14,%rdi
  movb   $0x0,0x20(%rsp,%rax,1)
  call   <strtod@plt>
  mov    (%rsp),%r8
  movsd  %xmm0,(%r8)
  cmp    %r14,0x18(%rsp)
  je     L98
  sub    %ebx,%ebp
  cmp    $0x100,%ebp
  ja     L69
  movslq 0xc(%rsp),%rcx
  sub    $0x1,%ebp
  mov    %r14,%rdi
  mov    %ebp,%edx
  movslq %ebp,%rbp
  lea    0x0(%r13,%rcx,1),%rsi
  call   <memcpy@plt>
  mov    %r15,%rsi
  mov    %r14,%rdi
  movb   $0x0,0x20(%rsp,%rbp,1)
  call   <strtod@plt>
  movsd  %xmm0,(%r12)
  cmp    %r14,0x18(%rsp)
  je     L98
  xor    %eax,%eax
L3:
  mov    0x128(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L82
  add    $0x138,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L86:
  mov    %ebp,%ebx
  jmp    L107
L98:
  mov    $0xfffffff9,%eax
  jmp    L3
L69:
  mov    $0xfffffff4,%eax
  jmp    L3
L82:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int example_parse_wxh(const char *val, int size, double *pw, double *ph) {
  char buf[256];
  char *tail;
  int i;
  for (i = 0; i < size; i++)
    if (val[i] == 'x')
      break;
  if (i + 1 >= size)
    return -7;
  if (i >= sizeof(buf))
    return -12;
  memcpy(buf, val, i);
  buf[i] = 0;
  *pw = strtod(buf, &tail);
  if (tail == buf)
    return -7;
  if (size - i > sizeof(buf))
    return -12;
  memcpy(buf, val + i + 1, size - i - 1);
  buf[size - i - 1] = 0;
  *ph = strtod(buf, &tail);
  if (tail == buf)
    return -7;
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<example_parse_wxh>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x138,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x128(%rsp)
  xor    %eax,%eax
  test   %esi,%esi
  jle    L8
  mov    %rdx,%r8
  mov    %rdi,%r13
  mov    %esi,%ebp
  mov    %rcx,%r12
  mov    %rdi,%rdx
  jmp    L34
L31:
  add    $0x1,%rdx
  cmp    %eax,%ebp
  je     L101
L34:
  cmpb   $0x78,(%rdx)
  mov    %eax,%ebx
  lea    0x1(%rax),%eax
  jne    L31
L61:
  lea    0x1(%rbx),%ecx
  cmp    %ebp,%ecx
  jge    L8
  cmp    $0xff,%ebx
  jg     L71
  lea    0x20(%rsp),%r14
  mov    %ebx,%edx
  mov    %r13,%rsi
  mov    %r8,(%rsp)
  mov    %r14,%rdi
  lea    0x18(%rsp),%r15
  mov    %ecx,0xc(%rsp)
  call   <memcpy@plt>
  movslq %ebx,%rax
  mov    %r15,%rsi
  mov    %r14,%rdi
  movb   $0x0,0x20(%rsp,%rax,1)
  call   <strtod@plt>
  mov    (%rsp),%r8
  movsd  %xmm0,(%r8)
  cmp    %r14,0x18(%rsp)
  je     L8
  sub    %ebx,%ebp
  cmp    $0x100,%ebp
  ja     L71
  movslq 0xc(%rsp),%rcx
  sub    $0x1,%ebp
  mov    %r14,%rdi
  mov    %ebp,%edx
  movslq %ebp,%rbp
  lea    0x0(%r13,%rcx,1),%rsi
  call   <memcpy@plt>
  mov    %r15,%rsi
  mov    %r14,%rdi
  movb   $0x0,0x20(%rsp,%rbp,1)
  call   <strtod@plt>
  movsd  %xmm0,(%r12)
  cmp    %r14,0x18(%rsp)
  je     L8
  xor    %eax,%eax
L29:
  mov    0x128(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L95
  add    $0x138,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L101:
  mov    %ebp,%ebx
  jmp    L61
L8:
  mov    $0xfffffff9,%eax
  jmp    L29
L71:
  mov    $0xfffffff4,%eax
  jmp    L29
L95:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int example_parse_wxh(const char *val, int size, double *pw, double *ph) {
  char buf[256];
  char *tail;
  int i;
  for (i = 0; i < size; i++)
    if (val[i] == 'x')
      break;
  if (i + 1 >= size)
    return -7;
  if (i >= sizeof(buf))
    return -12;
  memcpy(buf, val, i);
  buf[i] = 0;
  *pw = strtod(buf, &tail);
  if (tail == buf)
    return -7;
  if (size - i > sizeof(buf))
    return -12;
  memcpy(buf, val + i + 1, size - i - 1);
  buf[size - i - 1] = 0;
  *ph = strtod(buf, &tail);
  if (tail == buf)
    return -7;
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<fft_output>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x30(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x38(%rbp),%rax
  add    $0x400,%rax
  mov    %rax,-0x8(%rbp)
  jmp    L4
L16:
  mov    -0x18(%rbp),%rax
  movss  (%rax),%xmm1
  mov    -0x18(%rbp),%rax
  movss  (%rax),%xmm0
  mulss  %xmm0,%xmm1
  mov    -0x10(%rbp),%rax
  movss  (%rax),%xmm2
  mov    -0x10(%rbp),%rax
  movss  (%rax),%xmm0
  mulss  %xmm2,%xmm0
  addss  %xmm1,%xmm0
  mov    -0x20(%rbp),%rax
  movss  %xmm0,(%rax)
  addq   $0x4,-0x20(%rbp)
  addq   $0x4,-0x18(%rbp)
  addq   $0x4,-0x10(%rbp)
L4:
  mov    -0x20(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  jbe    L16
  mov    -0x38(%rbp),%rax
  movss  (%rax),%xmm0
  movss  D14(%rip),%xmm1
  divss  %xmm1,%xmm0
  mov    -0x38(%rbp),%rax
  movss  %xmm0,(%rax)
  mov    -0x8(%rbp),%rax
  movss  (%rax),%xmm0
  movss  D14(%rip),%xmm1
  divss  %xmm1,%xmm0
  mov    -0x8(%rbp),%rax
  movss  %xmm0,(%rax)
  nop
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D14
datatype: byte[4]

tool: {"D14": [0x00,0x00,0x80,0x40]}

assistant: ```c
void fft_output(const float *re, const float *im, float *output) {
  float *outputptr = output;
  const float *realptr = re;
  const float *imagptr = im;
  float *endptr = output + (1 << 9) / 2;
  while (outputptr <= endptr) {
    *outputptr = (*realptr * *realptr) + (*imagptr * *imagptr);
    outputptr++;
    realptr++;
    imagptr++;
  }
  *output /= 4;
  *endptr /= 4;
}
```
user: What is the c source code of the assembly code below:

```asm
<fft_output>:
  endbr64
  mov    $0x0,%eax
L6:
  movss  (%rdi,%rax,1),%xmm0
  movss  (%rsi,%rax,1),%xmm1
  mulss  %xmm0,%xmm0
  mulss  %xmm1,%xmm1
  addss  %xmm1,%xmm0
  movss  %xmm0,(%rdx,%rax,1)
  add    $0x4,%rax
  cmp    $0x404,%rax
  jne    L6
  movss  D2(%rip),%xmm0
  movaps %xmm0,%xmm1
  mulss  (%rdx),%xmm1
  movss  %xmm1,(%rdx)
  mulss  0x400(%rdx),%xmm0
  movss  %xmm0,0x400(%rdx)
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D2
datatype: byte[4]

tool: {"D2": [0x00,0x00,0x80,0x3e]}

assistant: ```c
void fft_output(const float *re, const float *im, float *output) {
  float *outputptr = output;
  const float *realptr = re;
  const float *imagptr = im;
  float *endptr = output + (1 << 9) / 2;
  while (outputptr <= endptr) {
    *outputptr = (*realptr * *realptr) + (*imagptr * *imagptr);
    outputptr++;
    realptr++;
    imagptr++;
  }
  *output /= 4;
  *endptr /= 4;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<fft_output>:
  endbr64
  xor    %eax,%eax
  cs nopw 0x0(%rax,%rax,1)
L3:
  movss  (%rdi,%rax,1),%xmm0
  movss  (%rsi,%rax,1),%xmm1
  mulss  %xmm0,%xmm0
  mulss  %xmm1,%xmm1
  addss  %xmm1,%xmm0
  movss  %xmm0,(%rdx,%rax,1)
  add    $0x4,%rax
  cmp    $0x404,%rax
  jne    L3
  movss  D5(%rip),%xmm0
  movss  (%rdx),%xmm1
  mulss  %xmm0,%xmm1
  mulss  0x400(%rdx),%xmm0
  movss  %xmm1,(%rdx)
  movss  %xmm0,0x400(%rdx)
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D5
data_type: byte[4]

tool: {"D5": [0x00,0x00,0x80,0x3e]}

assistant: ```c
void fft_output(const float *re, const float *im, float *output) {
  float *outputptr = output;
  const float *realptr = re;
  const float *imagptr = im;
  float *endptr = output + (1 << 9) / 2;
  while (outputptr <= endptr) {
    *outputptr = (*realptr * *realptr) + (*imagptr * *imagptr);
    outputptr++;
    realptr++;
    imagptr++;
  }
  *output /= 4;
  *endptr /= 4;
}
```
user: What is the c source code of the assembly code below?

```asm
<fft_output>:
  endbr64
  lea    0x4(%rsi),%rcx
  mov    %rdx,%rax
  sub    %rcx,%rax
  cmp    $0x8,%rax
  jbe    L1
  lea    0x4(%rdi),%rcx
  mov    %rdx,%rax
  sub    %rcx,%rax
  cmp    $0x8,%rax
  jbe    L1
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L15:
  movups (%rdi,%rax,1),%xmm0
  movups (%rsi,%rax,1),%xmm1
  mulps  %xmm0,%xmm0
  mulps  %xmm1,%xmm1
  addps  %xmm1,%xmm0
  movups %xmm0,(%rdx,%rax,1)
  add    $0x10,%rax
  cmp    $0x400,%rax
  jne    L15
  movss  0x400(%rdi),%xmm0
  movss  0x400(%rsi),%xmm1
  mulss  %xmm0,%xmm0
  mulss  %xmm1,%xmm1
  addss  %xmm1,%xmm0
  movss  %xmm0,0x400(%rdx)
L28:
  movss  D5(%rip),%xmm0
  movss  (%rdx),%xmm1
  mulss  %xmm0,%xmm1
  mulss  0x400(%rdx),%xmm0
  movss  %xmm1,(%rdx)
  movss  %xmm0,0x400(%rdx)
  ret
L1:
  xor    %eax,%eax
  nopl   0x0(%rax)
L38:
  movss  (%rdi,%rax,1),%xmm0
  movss  (%rsi,%rax,1),%xmm1
  mulss  %xmm0,%xmm0
  mulss  %xmm1,%xmm1
  addss  %xmm1,%xmm0
  movss  %xmm0,(%rdx,%rax,1)
  add    $0x4,%rax
  cmp    $0x404,%rax
  jne    L38
  jmp    L28
```

tool_calls: name: unpack_data
arguments: data_tag: D5
type: byte[4]

tool: {"D5": [0x00,0x00,0x80,0x3e]}

assistant: ```c
void fft_output(const float *re, const float *im, float *output) {
  float *outputptr = output;
  const float *realptr = re;
  const float *imagptr = im;
  float *endptr = output + (1 << 9) / 2;
  while (outputptr <= endptr) {
    *outputptr = (*realptr * *realptr) + (*imagptr * *imagptr);
    outputptr++;
    realptr++;
    imagptr++;
  }
  *output /= 4;
  *endptr /= 4;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x130,%rsp
  mov    %edi,-0x124(%rbp)
  mov    %rsi,-0x130(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  cmpl   $0x1,-0x124(%rbp)
  jg     L8
  mov    $0x0,%eax
  call   <abort@plt>
L8:
  mov    -0x130(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rcx
  lea    -0x110(%rbp),%rax
  mov    $0xff,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <SU_memcpy@plt>
  test   %rax,%rax
  je     L46
  lea    -0x110(%rbp),%rax
  mov    %rax,%rsi
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  movl   $0x0,-0x114(%rbp)
  jmp    L4
L41:
  mov    -0x114(%rbp),%eax
  cltq
  movzbl -0x110(%rbp,%rax,1),%eax
  movsbl %al,%edx
  mov    -0x114(%rbp),%eax
  mov    %eax,%esi
  lea    D16(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  addl   $0x1,-0x114(%rbp)
L4:
  mov    -0x114(%rbp),%eax
  cltq
  movzbl -0x110(%rbp,%rax,1),%eax
  test   %al,%al
  jne    L41
L46:
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L19
  call   <__stack_chk_fail@plt>
L19:
  leave
  ret
```

tool_calls: name: read_data
arguments: tag: D4
type_guessed: string
name: read_data
arguments: tag: D16
type_guessed: string

tool: D4: dest is: %s


tool: D16: dest[%d]: %c


assistant: ```c
int main(int argc, char **argv) {
  char dest[255];
  int i;
  if (argc < 2)
    abort();
  if (SU_memcpy(dest, argv[1], 255) != NULL) {
    printf("dest is: %s\n", dest);
    for (i = 0; dest[i] != '\0'; i++)
      printf("dest[%d]: %c\n", i, dest[i]);
  }
  return 0;
}
```