ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<main>:
  endbr64
  push   %rbp
  lea    D21(%rip),%rdi
  lea    D18(%rip),%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movl   $0xa,0x4(%rsp)
  call   <puts@plt>
  lea    0x4(%rsp),%rdi
  call   <ctest1@plt>
  mov    0x4(%rsp),%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D25(%rip),%rdi
  movl   $0xa,0x4(%rsp)
  call   <puts@plt>
  xor    %eax,%eax
  call   <fff@plt>
  mov    0x4(%rsp),%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %edi,%edi
  call   <dlclose@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D21
datatype: string
name: unpack_data
arguments: data_label: D18
datatype: string
name: unpack_data
arguments: data_label: D25
datatype: string

tool: D21: going to invoke dynamically linked symbol <ctest1>

tool: D18: Valx=%d


tool: D25: going to invoke dynamically linked symbol <fff>

assistant: ```c
int main(int argc, char **argv) {
  void *lib_handle;
  void (*pctest1)(int *);
  void (*pfff)(void);
  int x;
  char *error;
  x = 10;
  printf("going to invoke dynamically linked symbol <ctest1>\n");
  ctest1(&x);
  printf("Valx=%d\n", x);
  x = 10;
  printf("going to invoke dynamically linked symbol <fff>\n");
  fff();
  printf("Valx=%d\n", x);
  dlclose(lib_handle);
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  push   %rbp
  lea    D26(%rip),%rdi
  lea    D16(%rip),%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movl   $0xa,0x4(%rsp)
  call   <puts@plt>
  lea    0x4(%rsp),%rdi
  call   <ctest1@plt>
  mov    0x4(%rsp),%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D2(%rip),%rdi
  movl   $0xa,0x4(%rsp)
  call   <puts@plt>
  xor    %eax,%eax
  call   <fff@plt>
  mov    0x4(%rsp),%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %edi,%edi
  call   <dlclose@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L3:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: label: D26
type: string
name: disassemble_data
arguments: label: D16
type: string
name: disassemble_data
arguments: label: D2
type: string

tool: D26: going to invoke dynamically linked symbol <ctest1>

tool: D16: Valx=%d


tool: D2: going to invoke dynamically linked symbol <fff>

assistant: ```c
int main(int argc, char **argv) {
  void *lib_handle;
  void (*pctest1)(int *);
  void (*pfff)(void);
  int x;
  char *error;
  x = 10;
  printf("going to invoke dynamically linked symbol <ctest1>\n");
  ctest1(&x);
  printf("Valx=%d\n", x);
  x = 10;
  printf("going to invoke dynamically linked symbol <fff>\n");
  fff();
  printf("Valx=%d\n", x);
  dlclose(lib_handle);
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<test_fun>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    %edx,-0x1c(%rbp)
  mov    %ecx,-0x20(%rbp)
  movl   $0x0,-0x4(%rbp)
  movl   $0x1,-0x20(%rbp)
  jmp    L1
L11:
  cmpl   $0x0,-0x18(%rbp)
  jle    L5
  cmpl   $0x1,-0x14(%rbp)
  jle    L5
  mov    -0x18(%rbp),%eax
  imul   -0x14(%rbp),%eax
  mov    %eax,-0x18(%rbp)
  jmp    L64
L5:
  cmpl   $0x0,-0x18(%rbp)
  jle    L26
  cmpl   $0xffffffff,-0x14(%rbp)
  jge    L26
  mov    -0x14(%rbp),%eax
  neg    %eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%eax
  imul   %edx,%eax
  mov    %eax,-0x18(%rbp)
  jmp    L64
L26:
  movl   $0x0,-0x20(%rbp)
L64:
  addl   $0x1,-0x4(%rbp)
L1:
  mov    -0x18(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jge    L2
  cmpl   $0x0,-0x20(%rbp)
  jg     L11
L2:
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int test_fun(int x, int y, int z, int flag) {
  int c = 0;
  flag = 1;
  while ((y < z) && (flag > 0)) {
    if ((y > 0) && (x > 1)) {
      y = x * y;
    } else {
      if ((y > 0) && (x < -1)) {
        y = -x * y;
      } else {
        flag = 0;
      }
    }
    c = c + 1;
  }
  return c;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<test_fun>:
  endbr64
  cmp    %edx,%esi
  jge    L37
  mov    $0x0,%eax
  mov    %edi,%r8d
  neg    %r8d
  jmp    L47
L76:
  imul   %edi,%esi
L9:
  add    $0x1,%eax
  cmp    %edx,%esi
  jge    L51
L47:
  test   %esi,%esi
  setg   %cl
  cmp    $0x1,%edi
  jle    L60
  test   %cl,%cl
  jne    L76
L60:
  cmp    $0xffffffff,%edi
  jge    L5
  test   %cl,%cl
  je     L5
  imul   %r8d,%esi
  jmp    L9
L51:
  ret
L37:
  mov    $0x0,%eax
  ret
L5:
  add    $0x1,%eax
  ret
```

assistant: ```c
int test_fun(int x, int y, int z, int flag) {
  int c = 0;
  flag = 1;
  while ((y < z) && (flag > 0)) {
    if ((y > 0) && (x > 1)) {
      y = x * y;
    } else {
      if ((y > 0) && (x < -1)) {
        y = -x * y;
      } else {
        flag = 0;
      }
    }
    c = c + 1;
  }
  return c;
}
```
user: What is the c source code of the assembly code below:

```asm
<test_fun>:
  endbr64
  cmp    %edx,%esi
  jge    L70
  cmp    $0x1,%edi
  mov    %edi,%r9d
  setg   %r8b
  xor    %eax,%eax
  neg    %r9d
  jmp    L34
  nopl   0x0(%rax)
L43:
  imul   %edi,%esi
L3:
  add    $0x1,%eax
  cmp    %edx,%esi
  jge    L74
L34:
  test   %esi,%esi
  setg   %cl
  jle    L69
  test   %r8b,%r8b
  jne    L43
L69:
  cmp    $0xffffffff,%edi
  jge    L33
  test   %cl,%cl
  je     L33
  imul   %r9d,%esi
  jmp    L3
  nopl   (%rax)
L33:
  add    $0x1,%eax
  ret
  nopl   0x0(%rax)
L70:
  xor    %eax,%eax
  ret
L74:
  ret
```

assistant: ```c
int test_fun(int x, int y, int z, int flag) {
  int c = 0;
  flag = 1;
  while ((y < z) && (flag > 0)) {
    if ((y > 0) && (x > 1)) {
      y = x * y;
    } else {
      if ((y > 0) && (x < -1)) {
        y = -x * y;
      } else {
        flag = 0;
      }
    }
    c = c + 1;
  }
  return c;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<test_fun>:
  endbr64
  cmp    %edx,%esi
  jge    L63
  cmp    $0x1,%edi
  mov    %edi,%r9d
  setg   %r8b
  xor    %eax,%eax
  neg    %r9d
  jmp    L73
  nopl   0x0(%rax)
L28:
  imul   %edi,%esi
L55:
  add    $0x1,%eax
  cmp    %edx,%esi
  jge    L44
L73:
  test   %esi,%esi
  setg   %cl
  jle    L33
  test   %r8b,%r8b
  jne    L28
L33:
  cmp    $0xffffffff,%edi
  jge    L57
  test   %cl,%cl
  je     L57
  imul   %r9d,%esi
  jmp    L55
  nopl   (%rax)
L57:
  add    $0x1,%eax
  ret
  nopl   0x0(%rax)
L63:
  xor    %eax,%eax
  ret
L44:
  ret
```

assistant: ```c
int test_fun(int x, int y, int z, int flag) {
  int c = 0;
  flag = 1;
  while ((y < z) && (flag > 0)) {
    if ((y > 0) && (x > 1)) {
      y = x * y;
    } else {
      if ((y > 0) && (x < -1)) {
        y = -x * y;
      } else {
        flag = 0;
      }
    }
    c = c + 1;
  }
  return c;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<query_font_geometry>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x70,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %esi,-0x3c(%rbp)
  mov    %rdx,-0x48(%rbp)
  mov    %rcx,-0x50(%rbp)
  mov    %r8,-0x58(%rbp)
  mov    %r9,-0x60(%rbp)
  mov    0x10(%rbp),%rax
  mov    %rax,-0x68(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x3c(%rbp),%eax
  mov    %eax,%edi
  call   <XGContextFromGC@plt>
  mov    %eax,%edx
  mov    -0x38(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <XQueryFont@plt>
  mov    %rax,-0x18(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  jne    L42
  mov    $0xffffffff,%eax
  jmp    L38
L42:
  mov    -0x48(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,%edi
  lea    -0x1c(%rbp),%r9
  lea    -0x20(%rbp),%r8
  lea    -0x24(%rbp),%rdx
  mov    -0x48(%rbp),%rsi
  mov    -0x18(%rbp),%rax
  sub    $0x8,%rsp
  lea    -0x10(%rbp),%rcx
  push   %rcx
  mov    %rdx,%rcx
  mov    %edi,%edx
  mov    %rax,%rdi
  call   <XTextExtents@plt>
  add    $0x10,%rsp
  cmpq   $0x0,-0x50(%rbp)
  je     L35
  mov    -0x48(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,%edx
  mov    -0x48(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <XTextWidth@plt>
  mov    -0x50(%rbp),%rdx
  mov    %eax,(%rdx)
L35:
  cmpq   $0x0,-0x58(%rbp)
  je     L56
  mov    -0x10(%rbp),%edx
  mov    -0xc(%rbp),%eax
  add    %eax,%edx
  mov    -0x58(%rbp),%rax
  mov    %edx,(%rax)
L56:
  cmpq   $0x0,-0x60(%rbp)
  je     L59
  mov    -0x10(%rbp),%edx
  mov    -0x60(%rbp),%rax
  mov    %edx,(%rax)
L59:
  cmpq   $0x0,-0x68(%rbp)
  je     L57
  mov    -0xc(%rbp),%edx
  mov    -0x68(%rbp),%rax
  mov    %edx,(%rax)
L57:
  mov    -0x18(%rbp),%rax
  mov    $0x1,%edx
  mov    %rax,%rsi
  mov    $0x0,%edi
  call   <XFreeFontInfo@plt>
  mov    $0x0,%eax
L38:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L6
  call   <__stack_chk_fail@plt>
L6:
  leave
  ret
```

assistant: ```c
int query_font_geometry(Display *dpy, GC gc, const char *txt, int *w, int *h, int *a, int *d) {
  XCharStruct text_structure;
  int font_direction, font_ascent, font_descent;
  XFontStruct *fontinfo = XQueryFont(dpy, XGContextFromGC(gc));
  if (!fontinfo) {
    return -1;
  }
  XTextExtents(fontinfo, txt, strlen(txt), &font_direction, &font_ascent, &font_descent, &text_structure);
  if (w)
    *w = XTextWidth(fontinfo, txt, strlen(txt));
  if (h)
    *h = text_structure.ascent + text_structure.descent;
  if (a)
    *a = text_structure.ascent;
  if (d)
    *d = text_structure.descent;
  XFreeFontInfo(NULL, fontinfo, 1);
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<query_font_geometry>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,%rbx
  mov    %esi,%edi
  mov    %rdx,%rbp
  mov    %rcx,%r14
  mov    %r8,%r13
  mov    %r9,%r12
  mov    0x60(%rsp),%r15
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <XGContextFromGC@plt>
  mov    %eax,%esi
  mov    %rbx,%rdi
  call   <XQueryFont@plt>
  test   %rax,%rax
  je     L63
  mov    %rax,%rbx
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %eax,%edx
  lea    0x4(%rsp),%rcx
  sub    $0x8,%rsp
  lea    0x18(%rsp),%rax
  push   %rax
  lea    0x1c(%rsp),%r9
  lea    0x18(%rsp),%r8
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <XTextExtents@plt>
  add    $0x10,%rsp
  test   %r14,%r14
  je     L67
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %eax,%edx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <XTextWidth@plt>
  mov    %eax,(%r14)
L67:
  test   %r13,%r13
  je     L46
  mov    0x14(%rsp),%eax
  add    0x10(%rsp),%eax
  mov    %eax,0x0(%r13)
L46:
  test   %r12,%r12
  je     L5
  mov    0x10(%rsp),%eax
  mov    %eax,(%r12)
L5:
  test   %r15,%r15
  je     L35
  mov    0x14(%rsp),%eax
  mov    %eax,(%r15)
L35:
  mov    $0x1,%edx
  mov    %rbx,%rsi
  mov    $0x0,%edi
  call   <XFreeFontInfo@plt>
  mov    $0x0,%eax
L33:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L1
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L63:
  mov    $0xffffffff,%eax
  jmp    L33
L1:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int query_font_geometry(Display *dpy, GC gc, const char *txt, int *w, int *h, int *a, int *d) {
  XCharStruct text_structure;
  int font_direction, font_ascent, font_descent;
  XFontStruct *fontinfo = XQueryFont(dpy, XGContextFromGC(gc));
  if (!fontinfo) {
    return -1;
  }
  XTextExtents(fontinfo, txt, strlen(txt), &font_direction, &font_ascent, &font_descent, &text_structure);
  if (w)
    *w = XTextWidth(fontinfo, txt, strlen(txt));
  if (h)
    *h = text_structure.ascent + text_structure.descent;
  if (a)
    *a = text_structure.ascent;
  if (d)
    *d = text_structure.descent;
  XFreeFontInfo(NULL, fontinfo, 1);
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<query_font_geometry>:
  endbr64
  push   %r15
  push   %r14
  mov    %rcx,%r14
  push   %r13
  mov    %r8,%r13
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  mov    %rdi,%rbp
  mov    %esi,%edi
  push   %rbx
  mov    %r9,%rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    0x60(%rsp),%r15
  call   <XGContextFromGC@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  call   <XQueryFont@plt>
  test   %rax,%rax
  je     L57
  mov    %r12,%rdi
  mov    %rax,%rbp
  call   <strlen@plt>
  lea    0x4(%rsp),%rcx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  sub    $0x8,%rsp
  mov    %eax,%edx
  lea    0x18(%rsp),%rax
  push   %rax
  lea    0x1c(%rsp),%r9
  lea    0x18(%rsp),%r8
  call   <XTextExtents@plt>
  pop    %rax
  pop    %rdx
  test   %r14,%r14
  je     L1
  mov    %r12,%rdi
  call   <strlen@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  mov    %eax,%edx
  call   <XTextWidth@plt>
  mov    %eax,(%r14)
L1:
  test   %r13,%r13
  je     L45
  mov    0x14(%rsp),%eax
  add    0x10(%rsp),%eax
  mov    %eax,0x0(%r13)
L45:
  test   %rbx,%rbx
  je     L23
  mov    0x10(%rsp),%eax
  mov    %eax,(%rbx)
L23:
  test   %r15,%r15
  je     L50
  mov    0x14(%rsp),%eax
  mov    %eax,(%r15)
L50:
  mov    $0x1,%edx
  mov    %rbp,%rsi
  xor    %edi,%edi
  call   <XFreeFontInfo@plt>
  xor    %eax,%eax
L3:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L48
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L57:
  mov    $0xffffffff,%eax
  jmp    L3
L48:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int query_font_geometry(Display *dpy, GC gc, const char *txt, int *w, int *h, int *a, int *d) {
  XCharStruct text_structure;
  int font_direction, font_ascent, font_descent;
  XFontStruct *fontinfo = XQueryFont(dpy, XGContextFromGC(gc));
  if (!fontinfo) {
    return -1;
  }
  XTextExtents(fontinfo, txt, strlen(txt), &font_direction, &font_ascent, &font_descent, &text_structure);
  if (w)
    *w = XTextWidth(fontinfo, txt, strlen(txt));
  if (h)
    *h = text_structure.ascent + text_structure.descent;
  if (a)
    *a = text_structure.ascent;
  if (d)
    *d = text_structure.descent;
  XFreeFontInfo(NULL, fontinfo, 1);
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<query_font_geometry>:
  endbr64
  push   %r15
  push   %r14
  mov    %rcx,%r14
  push   %r13
  mov    %r8,%r13
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  mov    %rdi,%rbp
  mov    %esi,%edi
  push   %rbx
  mov    %r9,%rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    0x60(%rsp),%r15
  call   <XGContextFromGC@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  call   <XQueryFont@plt>
  test   %rax,%rax
  je     L31
  mov    %r12,%rdi
  mov    %rax,%rbp
  call   <strlen@plt>
  lea    0x4(%rsp),%rcx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  sub    $0x8,%rsp
  mov    %eax,%edx
  lea    0x18(%rsp),%rax
  push   %rax
  lea    0x1c(%rsp),%r9
  lea    0x18(%rsp),%r8
  call   <XTextExtents@plt>
  pop    %rax
  pop    %rdx
  test   %r14,%r14
  je     L33
  mov    %r12,%rdi
  call   <strlen@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  mov    %eax,%edx
  call   <XTextWidth@plt>
  mov    %eax,(%r14)
L33:
  test   %r13,%r13
  je     L18
  mov    0x14(%rsp),%eax
  add    0x10(%rsp),%eax
  mov    %eax,0x0(%r13)
L18:
  test   %rbx,%rbx
  je     L34
  mov    0x10(%rsp),%eax
  mov    %eax,(%rbx)
L34:
  test   %r15,%r15
  je     L15
  mov    0x14(%rsp),%eax
  mov    %eax,(%r15)
L15:
  mov    $0x1,%edx
  mov    %rbp,%rsi
  xor    %edi,%edi
  call   <XFreeFontInfo@plt>
  xor    %eax,%eax
L57:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L0
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L31:
  mov    $0xffffffff,%eax
  jmp    L57
L0:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int query_font_geometry(Display *dpy, GC gc, const char *txt, int *w, int *h, int *a, int *d) {
  XCharStruct text_structure;
  int font_direction, font_ascent, font_descent;
  XFontStruct *fontinfo = XQueryFont(dpy, XGContextFromGC(gc));
  if (!fontinfo) {
    return -1;
  }
  XTextExtents(fontinfo, txt, strlen(txt), &font_direction, &font_ascent, &font_descent, &text_structure);
  if (w)
    *w = XTextWidth(fontinfo, txt, strlen(txt));
  if (h)
    *h = text_structure.ascent + text_structure.descent;
  if (a)
    *a = text_structure.ascent;
  if (d)
    *d = text_structure.descent;
  XFreeFontInfo(NULL, fontinfo, 1);
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<oo__strtimetosint64>:
  endbr64
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  movq   $0x0,0x8(%rsp)
  movsbl (%rdi),%eax
  sub    $0x30,%eax
  mov    $0xffffffe8,%ecx
  imul   %ecx,%eax
  movzbl 0x3(%rdi),%ecx
  lea    0x64(%rax,%rcx,1),%ecx
  movsbl 0x1(%rdi),%eax
  sub    $0x30,%eax
  mov    $0x64,%esi
  imul   %esi,%eax
  add    %ecx,%eax
  movsbl 0x2(%rdi),%ecx
  lea    0x10(%rcx,%rcx,4),%ecx
  lea    (%rax,%rcx,2),%ecx
  mov    %cl,(%rsp)
  movsbl 0x5(%rdi),%eax
  lea    0x10(%rax,%rax,4),%eax
  movzbl 0x6(%rdi),%ecx
  lea    -0x31(%rcx,%rax,2),%eax
  mov    %al,0x1(%rsp)
  movsbl 0x8(%rdi),%eax
  lea    0x10(%rax,%rax,4),%eax
  movzbl 0x9(%rdi),%ecx
  lea    -0x30(%rcx,%rax,2),%eax
  mov    %al,0x2(%rsp)
  movsbl 0xb(%rdi),%eax
  lea    0x10(%rax,%rax,4),%eax
  movzbl 0xc(%rdi),%ecx
  lea    -0x30(%rcx,%rax,2),%eax
  mov    %al,0x3(%rsp)
  movsbl 0xe(%rdi),%eax
  lea    0x10(%rax,%rax,4),%eax
  movzbl 0xf(%rdi),%ecx
  lea    -0x30(%rcx,%rax,2),%eax
  mov    %al,0x4(%rsp)
  movsbl 0x11(%rdi),%eax
  lea    0x10(%rax,%rax,4),%eax
  movzbl 0x12(%rdi),%edx
  lea    -0x30(%rdx,%rax,2),%eax
  mov    %al,0x5(%rsp)
  mov    %rsp,%rdi
  call   <timegm@plt>
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L4
  add    $0x28,%rsp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int64_t oo__strtimetosint64(const char *s) {
  struct tm tm;
  tm.tm_isdst = 0;
  tm.tm_year = (s[0] - '0') * 1000 + (s[1] - '0') * 100 + (s[2] - '0') * 10 + (s[3] - '0') - 1900;
  tm.tm_mon = (s[5] - '0') * 10 + s[6] - '0' - 1;
  tm.tm_mday = (s[8] - '0') * 10 + s[9] - '0';
  tm.tm_hour = (s[11] - '0') * 10 + s[12] - '0';
  tm.tm_min = (s[14] - '0') * 10 + s[15] - '0';
  tm.tm_sec = (s[17] - '0') * 10 + s[18] - '0';
  return timegm(&tm);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<oo__strtimetosint64>:
  endbr64
  sub    $0x28,%rsp
  mov    $0xffffffe8,%ecx
  mov    $0x64,%esi
  movzbl 0x12(%rdi),%edx
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  movsbl (%rdi),%eax
  movq   $0x0,0x8(%rsp)
  sub    $0x30,%eax
  imul   %ecx,%eax
  movzbl 0x3(%rdi),%ecx
  lea    0x64(%rax,%rcx,1),%ecx
  movsbl 0x1(%rdi),%eax
  sub    $0x30,%eax
  imul   %esi,%eax
  add    %ecx,%eax
  movsbl 0x2(%rdi),%ecx
  lea    0x10(%rcx,%rcx,4),%ecx
  lea    (%rax,%rcx,2),%ecx
  movsbl 0x5(%rdi),%eax
  mov    %cl,(%rsp)
  movzbl 0x6(%rdi),%ecx
  lea    0x10(%rax,%rax,4),%eax
  lea    -0x31(%rcx,%rax,2),%eax
  movzbl 0x9(%rdi),%ecx
  mov    %al,0x1(%rsp)
  movsbl 0x8(%rdi),%eax
  lea    0x10(%rax,%rax,4),%eax
  lea    -0x30(%rcx,%rax,2),%eax
  movzbl 0xc(%rdi),%ecx
  mov    %al,0x2(%rsp)
  movsbl 0xb(%rdi),%eax
  lea    0x10(%rax,%rax,4),%eax
  lea    -0x30(%rcx,%rax,2),%eax
  movzbl 0xf(%rdi),%ecx
  mov    %al,0x3(%rsp)
  movsbl 0xe(%rdi),%eax
  lea    0x10(%rax,%rax,4),%eax
  lea    -0x30(%rcx,%rax,2),%eax
  mov    %al,0x4(%rsp)
  movsbl 0x11(%rdi),%eax
  mov    %rsp,%rdi
  lea    0x10(%rax,%rax,4),%eax
  lea    -0x30(%rdx,%rax,2),%eax
  mov    %al,0x5(%rsp)
  call   <timegm@plt>
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L1
  add    $0x28,%rsp
  ret
L1:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int64_t oo__strtimetosint64(const char *s) {
  struct tm tm;
  tm.tm_isdst = 0;
  tm.tm_year = (s[0] - '0') * 1000 + (s[1] - '0') * 100 + (s[2] - '0') * 10 + (s[3] - '0') - 1900;
  tm.tm_mon = (s[5] - '0') * 10 + s[6] - '0' - 1;
  tm.tm_mday = (s[8] - '0') * 10 + s[9] - '0';
  tm.tm_hour = (s[11] - '0') * 10 + s[12] - '0';
  tm.tm_min = (s[14] - '0') * 10 + s[15] - '0';
  tm.tm_sec = (s[17] - '0') * 10 + s[18] - '0';
  return timegm(&tm);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<oo__strtimetosint64>:
  endbr64
  sub    $0x28,%rsp
  mov    $0xffffffe8,%esi
  mov    %rdi,%rdx
  xor    %ecx,%ecx
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  movsbl (%rdi),%eax
  movq   $0x0,0x8(%rsp)
  sub    $0x30,%eax
  imul   %esi,%eax
  movzbl 0x3(%rdi),%esi
  lea    0x64(%rax,%rsi,1),%esi
  movsbl 0x1(%rdi),%eax
  mov    $0x64,%edi
  sub    $0x30,%eax
  imul   %edi,%eax
  movzbl 0xc(%rdx),%edi
  add    %esi,%eax
  movsbl 0x2(%rdx),%esi
  lea    0x10(%rsi,%rsi,4),%esi
  lea    (%rax,%rsi,2),%esi
  movsbl 0x5(%rdx),%eax
  mov    %sil,%cl
  movzbl 0x6(%rdx),%esi
  lea    0x10(%rax,%rax,4),%eax
  lea    -0x31(%rsi,%rax,2),%eax
  movzbl 0x9(%rdx),%esi
  mov    %al,%ch
  movsbl 0x8(%rdx),%eax
  movzwl %cx,%ecx
  lea    0x10(%rax,%rax,4),%eax
  lea    -0x30(%rsi,%rax,2),%eax
  movsbl 0xb(%rdx),%esi
  movzbl %al,%eax
  lea    0x10(%rsi,%rsi,4),%esi
  shl    $0x10,%eax
  lea    -0x30(%rdi,%rsi,2),%esi
  or     %eax,%ecx
  movsbl 0xe(%rdx),%eax
  mov    %rsp,%rdi
  shl    $0x18,%esi
  or     %esi,%ecx
  lea    0x10(%rax,%rax,4),%eax
  mov    %ecx,(%rsp)
  movzbl 0xf(%rdx),%ecx
  lea    -0x30(%rcx,%rax,2),%eax
  mov    %al,0x4(%rsp)
  movsbl 0x11(%rdx),%eax
  movzbl 0x12(%rdx),%edx
  lea    0x10(%rax,%rax,4),%eax
  lea    -0x30(%rdx,%rax,2),%eax
  mov    %al,0x5(%rsp)
  call   <timegm@plt>
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L0
  add    $0x28,%rsp
  ret
L0:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int64_t oo__strtimetosint64(const char *s) {
  struct tm tm;
  tm.tm_isdst = 0;
  tm.tm_year = (s[0] - '0') * 1000 + (s[1] - '0') * 100 + (s[2] - '0') * 10 + (s[3] - '0') - 1900;
  tm.tm_mon = (s[5] - '0') * 10 + s[6] - '0' - 1;
  tm.tm_mday = (s[8] - '0') * 10 + s[9] - '0';
  tm.tm_hour = (s[11] - '0') * 10 + s[12] - '0';
  tm.tm_min = (s[14] - '0') * 10 + s[15] - '0';
  tm.tm_sec = (s[17] - '0') * 10 + s[18] - '0';
  return timegm(&tm);
}
```