ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Demonstrate the C code that generates the assembly output below:

```asm
<fosfat_isdirname>:
  endbr64
  push   %r12
  mov    %rsi,%r12
  lea    D1(%rip),%rsi
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  call   <my_strcasestr@plt>
  test   %rax,%rax
  je     L25
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  lea    -0x4(%rax),%edx
  call   <strncasecmp@plt>
  test   %eax,%eax
  je     L28
L25:
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  mov    %eax,%edx
  call   <strncasecmp@plt>
  test   %eax,%eax
  je     L31
  xor    %eax,%eax
L18:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L31:
  mov    %r12,%rdi
  call   <strlen@plt>
  mov    %rbp,%rdi
  mov    %eax,%r12d
  call   <strlen@plt>
  pop    %rbx
  pop    %rbp
  cmp    %eax,%r12d
  pop    %r12
  sete   %al
  movzbl %al,%eax
  ret
  nopl   0x0(%rax)
L28:
  mov    %r12,%rdi
  call   <strlen@plt>
  mov    %rbp,%rdi
  mov    %eax,%ebx
  call   <strlen@plt>
  lea    -0x4(%rax),%edx
  mov    $0x1,%eax
  cmp    %edx,%ebx
  jne    L25
  jmp    L18
```

tool_calls: name: disassemble_data
arguments: data_tag: D1
type_guessed: string

tool: D1: .dir

assistant: ```c
int fosfat_isdirname(const char *realname, const char *searchname) {
  if ((my_strcasestr(realname, ".dir") && !strncasecmp(realname, searchname, strlen(realname) - 4) && strlen(searchname) == strlen(realname) - 4) || (!strncasecmp(realname, searchname, strlen(realname)) && strlen(searchname) == strlen(realname)))
    return 1;
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<_merge>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %esi,%ebx
  mov    %edx,%r12d
  mov    %ecx,%r13d
  mov    %edx,%edi
  sub    %esi,%edi
  shl    $0x2,%edi
  call   <malloc@plt>
  mov    %rax,%r8
  cmp    %r13d,%ebx
  jge    L93
  cmp    %r13d,%r12d
  jle    L93
  mov    %r13d,%eax
  mov    %ebx,%esi
  mov    $0x1,%edx
  jmp    L111
L32:
  add    $0x1,%eax
  mov    %edi,%ecx
L90:
  mov    %edx,%edi
  mov    %ecx,-0x4(%r8,%rdx,4)
  add    $0x1,%rdx
  cmp    %r13d,%esi
  jge    L77
  cmp    %r12d,%eax
  jge    L77
L111:
  movslq %esi,%rcx
  mov    0x0(%rbp,%rcx,4),%ecx
  movslq %eax,%rdi
  mov    0x0(%rbp,%rdi,4),%edi
  cmp    %edi,%ecx
  jg     L32
  add    $0x1,%esi
  jmp    L90
L93:
  mov    %r13d,%eax
  mov    %ebx,%esi
  mov    $0x0,%edi
L77:
  cmp    %esi,%r13d
  jle    L61
  movslq %esi,%rdx
  movslq %edi,%rcx
  sub    %rdx,%rcx
  lea    (%r8,%rcx,4),%r9
L50:
  mov    0x0(%rbp,%rdx,4),%ecx
  mov    %ecx,(%r9,%rdx,4)
  add    $0x1,%rdx
  cmp    %edx,%r13d
  jg     L50
  add    %edi,%r13d
  mov    %r13d,%edi
  sub    %esi,%edi
L61:
  cmp    %eax,%r12d
  jle    L117
  cltq
  movslq %edi,%rdi
  sub    %rax,%rdi
  lea    (%r8,%rdi,4),%rcx
L107:
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,(%rcx,%rax,4)
  add    $0x1,%rax
  cmp    %eax,%r12d
  jg     L107
L117:
  cmp    %ebx,%r12d
  jle    L120
  movslq %ebx,%rax
  mov    %rax,%rdx
  neg    %rdx
  lea    (%r8,%rdx,4),%rcx
L22:
  mov    (%rcx,%rax,4),%edx
  mov    %edx,0x0(%rbp,%rax,4)
  add    $0x1,%rax
  cmp    %eax,%r12d
  jg     L22
L120:
  mov    %r8,%rdi
  call   <free@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void _merge(int *v, int left, int right, int mid) {
  int *new_vector = malloc((right - left) * sizeof(int));
  int i = left;
  int j = mid;
  int k = 0;
  while (i < mid && j < right) {
    new_vector[k++] = v[i] <= v[j] ? v[i++] : v[j++];
  }
  while (i < mid) {
    new_vector[k++] = v[i++];
  }
  while (j < right) {
    new_vector[k++] = v[j++];
  }
  for (i = left; i < right; i++) {
    v[i] = new_vector[i - left];
  }
  free(new_vector);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<_merge>:
  endbr64
  push   %r13
  mov    %ecx,%r13d
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  mov    %rdi,%rbp
  mov    %edx,%edi
  push   %rbx
  sub    %esi,%edi
  mov    %esi,%ebx
  shl    $0x2,%edi
  sub    $0x8,%rsp
  call   <malloc@plt>
  mov    %ebx,%esi
  mov    %rax,%r8
  mov    %r13d,%eax
  cmp    %r13d,%r12d
  jle    L88
  cmp    %r13d,%ebx
  jge    L88
  mov    $0x1,%edx
  jmp    L94
  cs nopw 0x0(%rax,%rax,1)
L40:
  add    $0x1,%esi
  mov    %ecx,-0x4(%r8,%rdx,4)
  mov    %edx,%edi
  add    $0x1,%rdx
  cmp    %r13d,%esi
  jge    L13
L100:
  cmp    %r12d,%eax
  jge    L13
L94:
  movslq %esi,%rcx
  movslq %eax,%rdi
  mov    0x0(%rbp,%rcx,4),%ecx
  mov    0x0(%rbp,%rdi,4),%edi
  cmp    %edi,%ecx
  jle    L40
  mov    %edi,%ecx
  add    $0x1,%eax
  mov    %edx,%edi
  mov    %ecx,-0x4(%r8,%rdx,4)
  add    $0x1,%rdx
  cmp    %r13d,%esi
  jl     L100
L13:
  cmp    %esi,%r13d
  jle    L101
  movslq %esi,%rdx
  movslq %edi,%rcx
  sub    %rdx,%rcx
  lea    (%r8,%rcx,4),%r9
  nopl   0x0(%rax)
L64:
  mov    0x0(%rbp,%rdx,4),%ecx
  mov    %ecx,(%r9,%rdx,4)
  add    $0x1,%rdx
  cmp    %edx,%r13d
  jg     L64
  add    %edi,%r13d
  mov    %r13d,%edi
  sub    %esi,%edi
L101:
  cmp    %eax,%r12d
  jle    L85
  cltq
  movslq %edi,%rdi
  sub    %rax,%rdi
  lea    (%r8,%rdi,4),%rcx
  nopw   0x0(%rax,%rax,1)
L128:
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,(%rcx,%rax,4)
  add    $0x1,%rax
  cmp    %eax,%r12d
  jg     L128
L85:
  cmp    %ebx,%r12d
  jle    L1
  movslq %ebx,%rax
  mov    %rax,%rdx
  neg    %rdx
  lea    (%r8,%rdx,4),%rcx
  nopw   0x0(%rax,%rax,1)
L109:
  mov    (%rcx,%rax,4),%edx
  mov    %edx,0x0(%rbp,%rax,4)
  add    $0x1,%rax
  cmp    %eax,%r12d
  jg     L109
L1:
  add    $0x8,%rsp
  mov    %r8,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1060 <free@plt>
  nopw   0x0(%rax,%rax,1)
L88:
  xor    %edi,%edi
  jmp    L13
```

assistant: ```c
void _merge(int *v, int left, int right, int mid) {
  int *new_vector = malloc((right - left) * sizeof(int));
  int i = left;
  int j = mid;
  int k = 0;
  while (i < mid && j < right) {
    new_vector[k++] = v[i] <= v[j] ? v[i++] : v[j++];
  }
  while (i < mid) {
    new_vector[k++] = v[i++];
  }
  while (j < right) {
    new_vector[k++] = v[j++];
  }
  for (i = left; i < right; i++) {
    v[i] = new_vector[i - left];
  }
  free(new_vector);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<lookup_replacement>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %rcx,-0x30(%rbp)
  mov    -0x30(%rbp),%rdx
  mov    -0x28(%rbp),%rcx
  mov    -0x20(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <dict_find@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L13
  mov    -0x18(%rbp),%rax
  jmp    L10
L13:
  mov    -0x8(%rbp),%rax
L10:
  leave
  ret
```

assistant: ```c
uint16_t lookup_replacement(uint16_t original, const uint8_t *replacement, size_t replen, const struct dictionary *dictionary) {
  uint16_t d;
  d = dict_find(replacement, replen, dictionary);
  if (d == 0)
    return original;
  return d;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<lookup_replacement>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%rdi
  mov    %rdx,%rsi
  mov    %rcx,%rdx
  call   <dict_find@plt>
  test   %rax,%rax
  cmove  %rbx,%rax
  pop    %rbx
  ret
```

assistant: ```c
uint16_t lookup_replacement(uint16_t original, const uint8_t *replacement, size_t replen, const struct dictionary *dictionary) {
  uint16_t d;
  d = dict_find(replacement, replen, dictionary);
  if (d == 0)
    return original;
  return d;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<lookup_replacement>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%rdi
  mov    %rdx,%rsi
  mov    %rcx,%rdx
  call   <dict_find@plt>
  test   %rax,%rax
  cmove  %rbx,%rax
  pop    %rbx
  ret
```

assistant: ```c
uint16_t lookup_replacement(uint16_t original, const uint8_t *replacement, size_t replen, const struct dictionary *dictionary) {
  uint16_t d;
  d = dict_find(replacement, replen, dictionary);
  if (d == 0)
    return original;
  return d;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<lookup_replacement>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%rdi
  mov    %rdx,%rsi
  mov    %rcx,%rdx
  call   <dict_find@plt>
  test   %rax,%rax
  cmove  %rbx,%rax
  pop    %rbx
  ret
```

assistant: ```c
uint16_t lookup_replacement(uint16_t original, const uint8_t *replacement, size_t replen, const struct dictionary *dictionary) {
  uint16_t d;
  d = dict_find(replacement, replen, dictionary);
  if (d == 0)
    return original;
  return d;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<RandomFunc>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  sub    $0x6b,%eax
  mov    %al,-0x9(%rbp)
  movb   $0x0,-0xa(%rbp)
  nop
  movzbl -0x9(%rbp),%eax
  shr    $0x3,%al
  mov    %eax,%edx
  movzbl -0x9(%rbp),%eax
  movzbl %al,%eax
  shl    $0x5,%eax
  or     %edx,%eax
  mov    %eax,%edx
  mov    -0x20(%rbp),%rax
  mov    %dl,(%rax)
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L2
  call   <__stack_chk_fail@plt>
L2:
  leave
  ret
```

assistant: ```c
void RandomFunc(unsigned char input[1], unsigned char output[1]) {
  unsigned char state[1];
  unsigned char local1;
  {
    state[0UL] = (input[0UL] - 51238316UL) - (unsigned char)191;
    local1 = 0UL;
    while (local1 < (unsigned char)0) {
      if (state[0UL] > local1) {
        if (state[0UL] <= local1) {
          state[0UL] |= (state[0UL] & (unsigned char)15) << 3UL;
        } else {
          state[0UL] |= (state[local1] & (unsigned char)15) << 3UL;
        }
      } else if (state[0UL] < local1) {
        state[local1] |= (state[local1] & (unsigned char)63) << 4UL;
      } else {
        state[0UL] |= ((state[0UL] << (((state[local1] >> (unsigned char)1) & (unsigned char)7) | 1UL)) & (unsigned char)63) << 4UL;
      }
      local1++;
    }
    output[0UL] = (state[0UL] >> (unsigned char)3) | (state[0UL] << (unsigned char)5);
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<RandomFunc>:
  endbr64
  movzbl (%rdi),%eax
  sub    $0x6b,%eax
  ror    $0x3,%al
  mov    %al,(%rsi)
  ret
```

assistant: ```c
void RandomFunc(unsigned char input[1], unsigned char output[1]) {
  unsigned char state[1];
  unsigned char local1;
  {
    state[0UL] = (input[0UL] - 51238316UL) - (unsigned char)191;
    local1 = 0UL;
    while (local1 < (unsigned char)0) {
      if (state[0UL] > local1) {
        if (state[0UL] <= local1) {
          state[0UL] |= (state[0UL] & (unsigned char)15) << 3UL;
        } else {
          state[0UL] |= (state[local1] & (unsigned char)15) << 3UL;
        }
      } else if (state[0UL] < local1) {
        state[local1] |= (state[local1] & (unsigned char)63) << 4UL;
      } else {
        state[0UL] |= ((state[0UL] << (((state[local1] >> (unsigned char)1) & (unsigned char)7) | 1UL)) & (unsigned char)63) << 4UL;
      }
      local1++;
    }
    output[0UL] = (state[0UL] >> (unsigned char)3) | (state[0UL] << (unsigned char)5);
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<RandomFunc>:
  endbr64
  movzbl (%rdi),%eax
  sub    $0x6b,%eax
  ror    $0x3,%al
  mov    %al,(%rsi)
  ret
```

assistant: ```c
void RandomFunc(unsigned char input[1], unsigned char output[1]) {
  unsigned char state[1];
  unsigned char local1;
  {
    state[0UL] = (input[0UL] - 51238316UL) - (unsigned char)191;
    local1 = 0UL;
    while (local1 < (unsigned char)0) {
      if (state[0UL] > local1) {
        if (state[0UL] <= local1) {
          state[0UL] |= (state[0UL] & (unsigned char)15) << 3UL;
        } else {
          state[0UL] |= (state[local1] & (unsigned char)15) << 3UL;
        }
      } else if (state[0UL] < local1) {
        state[local1] |= (state[local1] & (unsigned char)63) << 4UL;
      } else {
        state[0UL] |= ((state[0UL] << (((state[local1] >> (unsigned char)1) & (unsigned char)7) | 1UL)) & (unsigned char)63) << 4UL;
      }
      local1++;
    }
    output[0UL] = (state[0UL] >> (unsigned char)3) | (state[0UL] << (unsigned char)5);
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<RandomFunc>:
  endbr64
  movzbl (%rdi),%eax
  sub    $0x6b,%eax
  ror    $0x3,%al
  mov    %al,(%rsi)
  ret
```

assistant: ```c
void RandomFunc(unsigned char input[1], unsigned char output[1]) {
  unsigned char state[1];
  unsigned char local1;
  {
    state[0UL] = (input[0UL] - 51238316UL) - (unsigned char)191;
    local1 = 0UL;
    while (local1 < (unsigned char)0) {
      if (state[0UL] > local1) {
        if (state[0UL] <= local1) {
          state[0UL] |= (state[0UL] & (unsigned char)15) << 3UL;
        } else {
          state[0UL] |= (state[local1] & (unsigned char)15) << 3UL;
        }
      } else if (state[0UL] < local1) {
        state[local1] |= (state[local1] & (unsigned char)63) << 4UL;
      } else {
        state[0UL] |= ((state[0UL] << (((state[local1] >> (unsigned char)1) & (unsigned char)7) | 1UL)) & (unsigned char)63) << 4UL;
      }
      local1++;
    }
    output[0UL] = (state[0UL] >> (unsigned char)3) | (state[0UL] << (unsigned char)5);
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<rop3_48_1_1>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,%ecx
  mov    %edx,%eax
  mov    %ecx,%edx
  mov    %dl,-0x1c(%rbp)
  mov    %al,-0x20(%rbp)
  movzbl -0x1c(%rbp),%eax
  not    %eax
  mov    %al,-0x2(%rbp)
  movzbl -0x20(%rbp),%eax
  and    -0x2(%rbp),%al
  mov    %al,-0x1(%rbp)
  movzbl -0x1c(%rbp),%eax
  not    %eax
  mov    %eax,%edx
  movzbl -0x1(%rbp),%eax
  and    %eax,%edx
  movzbl -0x20(%rbp),%eax
  not    %eax
  and    %eax,%edx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  and    -0x1c(%rbp),%al
  or     %eax,%edx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  and    -0x20(%rbp),%al
  or     %edx,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  mov    %dl,(%rax)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void rop3_48_1_1(unsigned char *D, unsigned char S, unsigned char T) {
  unsigned char stk1;
  unsigned char stk2;
  stk2 = ~S;
  stk1 = T & stk2;
  *D = (stk1 & (~S) & (~T)) | (*D & S) | (*D & T);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<rop3_48_1_1>:
  endbr64
  mov    %edx,%eax
  or     %esi,%eax
  not    %esi
  and    %edx,%esi
  mov    %eax,%edx
  not    %edx
  and    %edx,%esi
  and    (%rdi),%al
  or     %eax,%esi
  mov    %sil,(%rdi)
  ret
```

assistant: ```c
void rop3_48_1_1(unsigned char *D, unsigned char S, unsigned char T) {
  unsigned char stk1;
  unsigned char stk2;
  stk2 = ~S;
  stk1 = T & stk2;
  *D = (stk1 & (~S) & (~T)) | (*D & S) | (*D & T);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<rop3_48_1_1>:
  endbr64
  mov    %edx,%eax
  or     %esi,%eax
  not    %esi
  and    %edx,%esi
  mov    %eax,%edx
  and    (%rdi),%al
  not    %edx
  and    %edx,%esi
  or     %eax,%esi
  mov    %sil,(%rdi)
  ret
```

assistant: ```c
void rop3_48_1_1(unsigned char *D, unsigned char S, unsigned char T) {
  unsigned char stk1;
  unsigned char stk2;
  stk2 = ~S;
  stk1 = T & stk2;
  *D = (stk1 & (~S) & (~T)) | (*D & S) | (*D & T);
}
```
user: Translate the below assembly code into C programming language:

```asm
<rop3_48_1_1>:
  endbr64
  mov    %edx,%eax
  or     %esi,%eax
  not    %esi
  and    %edx,%esi
  mov    %eax,%edx
  and    (%rdi),%al
  not    %edx
  and    %edx,%esi
  or     %eax,%esi
  mov    %sil,(%rdi)
  ret
```

assistant: ```c
void rop3_48_1_1(unsigned char *D, unsigned char S, unsigned char T) {
  unsigned char stk1;
  unsigned char stk2;
  stk2 = ~S;
  stk1 = T & stk2;
  *D = (stk1 & (~S) & (~T)) | (*D & S) | (*D & T);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<strspn>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r13
  push   %r12
  push   %rbx
  mov    %rdi,-0x20(%rbp)
  mov    %rsi,-0x28(%rbp)
  mov    $0x0,%r13d
  mov    -0x20(%rbp),%r12
  jmp    L35
L33:
  mov    -0x28(%rbp),%rbx
  jmp    L57
L68:
  movzbl (%r12),%edx
  movzbl (%rbx),%eax
  cmp    %al,%dl
  je     L36
  add    $0x1,%rbx
L57:
  movzbl (%rbx),%eax
  test   %al,%al
  jne    L68
  jmp    L34
L36:
  nop
L34:
  movzbl (%rbx),%eax
  test   %al,%al
  jne    L24
  mov    %r13,%rax
  jmp    L67
L24:
  add    $0x1,%r13
  add    $0x1,%r12
L35:
  movzbl (%r12),%eax
  test   %al,%al
  jne    L33
  mov    %r13,%rax
L67:
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %rbp
  ret
```

assistant: ```c
size_t strspn(const char *s1, const char *s2) {
  register const char *sscan;
  register const char *ascan;
  register size_t count;
  count = 0;
  for (sscan = s1; *sscan != '\0'; sscan++) {
    for (ascan = s2; *ascan != '\0'; ascan++)
      if (*sscan == *ascan)
        break;
    if (*ascan == '\0')
      return count;
    count++;
  }
  return count;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<strspn>:
  endbr64
  movzbl (%rdi),%ecx
  test   %cl,%cl
  je     L14
  movzbl (%rsi),%r9d
  test   %r9b,%r9b
  sete   %r10b
  mov    $0x0,%r8d
  jmp    L56
L10:
  mov    %r9d,%edx
L64:
  test   %dl,%dl
  je     L57
  add    $0x1,%r8
  movzbl (%rdi,%r8,1),%ecx
  test   %cl,%cl
  je     L57
L56:
  cmp    %cl,%r9b
  je     L10
  test   %r10b,%r10b
  jne    L10
  mov    %rsi,%rax
L51:
  add    $0x1,%rax
  movzbl (%rax),%edx
  cmp    %cl,%dl
  je     L64
  test   %dl,%dl
  jne    L51
  jmp    L64
L14:
  mov    $0x0,%r8d
L57:
  mov    %r8,%rax
  ret
```

assistant: ```c
size_t strspn(const char *s1, const char *s2) {
  register const char *sscan;
  register const char *ascan;
  register size_t count;
  count = 0;
  for (sscan = s1; *sscan != '\0'; sscan++) {
    for (ascan = s2; *ascan != '\0'; ascan++)
      if (*sscan == *ascan)
        break;
    if (*ascan == '\0')
      return count;
    count++;
  }
  return count;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<strspn>:
  endbr64
  movzbl (%rdi),%ecx
  xor    %r8d,%r8d
  test   %cl,%cl
  je     L25
  movzbl (%rsi),%r9d
  xor    %r8d,%r8d
  nopl   (%rax)
L24:
  test   %r9b,%r9b
  je     L25
  mov    %rsi,%rdx
  mov    %r9d,%eax
  jmp    L9
  nopl   (%rax)
L39:
  movzbl 0x1(%rdx),%eax
  add    $0x1,%rdx
  test   %al,%al
  je     L25
L9:
  cmp    %cl,%al
  jne    L39
  add    $0x1,%r8
  movzbl (%rdi,%r8,1),%ecx
  test   %cl,%cl
  jne    L24
L25:
  mov    %r8,%rax
  ret
```

assistant: ```c
size_t strspn(const char *s1, const char *s2) {
  register const char *sscan;
  register const char *ascan;
  register size_t count;
  count = 0;
  for (sscan = s1; *sscan != '\0'; sscan++) {
    for (ascan = s2; *ascan != '\0'; ascan++)
      if (*sscan == *ascan)
        break;
    if (*ascan == '\0')
      return count;
    count++;
  }
  return count;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<strspn>:
  endbr64
  movzbl (%rdi),%ecx
  xor    %r8d,%r8d
  test   %cl,%cl
  je     L38
  movzbl (%rsi),%r9d
  xor    %r8d,%r8d
  nopl   (%rax)
L15:
  test   %r9b,%r9b
  je     L38
  mov    %rsi,%rdx
  mov    %r9d,%eax
  jmp    L9
  nopl   (%rax)
L49:
  movzbl 0x1(%rdx),%eax
  add    $0x1,%rdx
  test   %al,%al
  je     L38
L9:
  cmp    %cl,%al
  jne    L49
  add    $0x1,%r8
  movzbl (%rdi,%r8,1),%ecx
  test   %cl,%cl
  jne    L15
L38:
  mov    %r8,%rax
  ret
```

assistant: ```c
size_t strspn(const char *s1, const char *s2) {
  register const char *sscan;
  register const char *ascan;
  register size_t count;
  count = 0;
  for (sscan = s1; *sscan != '\0'; sscan++) {
    for (ascan = s2; *ascan != '\0'; ascan++)
      if (*sscan == *ascan)
        break;
    if (*ascan == '\0')
      return count;
    count++;
  }
  return count;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<ft_abs>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jns    L3
  mov    -0x4(%rbp),%eax
  neg    %eax
  jmp    L18
L3:
  mov    -0x4(%rbp),%eax
L18:
  pop    %rbp
  ret
```

assistant: ```c
int ft_abs(int nb) {
  if (nb < 0)
    return (-1 * nb);
  return (nb);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<ft_abs>:
  endbr64
  mov    %edi,%eax
  neg    %eax
  cmovs  %edi,%eax
  ret
```

assistant: ```c
int ft_abs(int nb) {
  if (nb < 0)
    return (-1 * nb);
  return (nb);
}
```
user: What is the c source code of the assembly code below?

```asm
<ft_abs>:
  endbr64
  mov    %edi,%eax
  neg    %eax
  cmovs  %edi,%eax
  ret
```

assistant: ```c
int ft_abs(int nb) {
  if (nb < 0)
    return (-1 * nb);
  return (nb);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<get_color_ncurses>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  movl   $0x0,-0x4(%rbp)
  cmpl   $0xffffffff,-0x14(%rbp)
  jne    L29
  cmpl   $0xffffffff,-0x18(%rbp)
  jne    L29
  mov    $0x1,%edx
  mov    $0x1,%esi
  mov    $0x0,%edi
  call   <set_idc@plt>
  jmp    L37
L29:
  mov    -0x14(%rbp),%eax
  cmp    -0x18(%rbp),%eax
  jne    L37
  addl   $0x1,-0x18(%rbp)
  mov    D2(%rip),%rax
  mov    (%rax),%ecx
  mov    -0x18(%rbp),%eax
  cltd
  idiv   %ecx
  mov    %edx,-0x18(%rbp)
L37:
  mov    -0x18(%rbp),%edx
  mov    -0x14(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <find_alloc_colorpair@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  leave
  ret
```

assistant: ```c
int get_color_ncurses(int ncol_fg, int ncol_bg) {
  int pair = 0;
  if (ncol_fg == -1 && ncol_bg == -1)
    set_idc(0, 1, 1);
  else if (ncol_fg == ncol_bg) {
    ncol_bg++;
    ncol_bg %= COLORS;
  }
  pair = find_alloc_colorpair(ncol_fg, ncol_bg);
  return pair;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<get_color_ncurses>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebp
  mov    %esi,%ebx
  mov    %edi,%eax
  and    %esi,%eax
  cmp    $0xffffffff,%eax
  je     L35
  cmp    %esi,%edi
  je     L36
L39:
  mov    %ebx,%esi
  mov    %ebp,%edi
  call   <find_alloc_colorpair@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L35:
  mov    $0x1,%edx
  mov    $0x1,%esi
  mov    $0x0,%edi
  call   <set_idc@plt>
  jmp    L39
L36:
  lea    0x1(%rsi),%eax
  mov    D7(%rip),%rcx
  cltd
  idivl  (%rcx)
  mov    %edx,%ebx
  jmp    L39
```

assistant: ```c
int get_color_ncurses(int ncol_fg, int ncol_bg) {
  int pair = 0;
  if (ncol_fg == -1 && ncol_bg == -1)
    set_idc(0, 1, 1);
  else if (ncol_fg == ncol_bg) {
    ncol_bg++;
    ncol_bg %= COLORS;
  }
  pair = find_alloc_colorpair(ncol_fg, ncol_bg);
  return pair;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<get_color_ncurses>:
  endbr64
  push   %r12
  mov    %edi,%eax
  mov    %esi,%r12d
  push   %rbp
  and    %esi,%eax
  mov    %edi,%ebp
  sub    $0x8,%rsp
  cmp    $0xffffffff,%eax
  je     L25
  cmp    %esi,%edi
  jne    L9
  lea    0x1(%rdi),%eax
  mov    D1(%rip),%rcx
  cltd
  idivl  (%rcx)
  mov    %edx,%r12d
L9:
  add    $0x8,%rsp
  mov    %r12d,%esi
  mov    %ebp,%edi
  pop    %rbp
  pop    %r12
  jmp    1060 <find_alloc_colorpair@plt>
  xchg   %ax,%ax
L25:
  mov    $0x1,%edx
  mov    $0x1,%esi
  xor    %edi,%edi
  call   <set_idc@plt>
  jmp    L9
```

assistant: ```c
int get_color_ncurses(int ncol_fg, int ncol_bg) {
  int pair = 0;
  if (ncol_fg == -1 && ncol_bg == -1)
    set_idc(0, 1, 1);
  else if (ncol_fg == ncol_bg) {
    ncol_bg++;
    ncol_bg %= COLORS;
  }
  pair = find_alloc_colorpair(ncol_fg, ncol_bg);
  return pair;
}
```