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
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x24(%rbp)
  mov    %rsi,-0x30(%rbp)
  movq   $0x0,-0x10(%rbp)
  movl   $0x0,-0x1c(%rbp)
  lea    D30(%rip),%rax
  mov    %rax,%rdi
  call   <strdup@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L56
  mov    -0x8(%rbp),%rax
  lea    D39(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strstr@plt>
  test   %rax,%rax
  je     L56
  cmpq   $0x0,-0x10(%rbp)
  jne    L56
  mov    -0x8(%rbp),%rax
  lea    D39(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strstr@plt>
  mov    %rax,-0x18(%rbp)
  jmp    L42
L33:
  addq   $0x1,-0x18(%rbp)
  addl   $0x1,-0x1c(%rbp)
L42:
  cmpq   $0x0,-0x18(%rbp)
  je     L26
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L26
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x3e,%al
  jne    L33
L26:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L24
  mov    -0x18(%rbp),%rax
  movb   $0x0,(%rax)
L24:
  mov    -0x1c(%rbp),%eax
  cltq
  neg    %rax
  add    %rax,-0x18(%rbp)
  mov    -0x8(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rax,%rsi
  lea    D19(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
L56:
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: parse_data
arguments: label: D30
data_type: string
name: parse_data
arguments: label: D39
data_type: string
name: parse_data
arguments: label: D19
data_type: string

tool: D30: %s %d %r %t <jobid=1221> asdasd

tool: D39: <jobid=

tool: D19: Extracted job id string %s from string %s

assistant: ```c
int main(int argc, char *argv[]) {
  char *jobidstr = NULL;
  int count = 0;
  char *logfile_format, *tmpstr;
  logfile_format = strdup("%s %d %r %t <jobid=1221> asdasd");
  if (logfile_format && strstr(logfile_format, "<jobid=") && !jobidstr) {
    tmpstr = strstr(logfile_format, "<jobid=");
    while (tmpstr && *tmpstr != '\0' && *tmpstr != '>')
      tmpstr++, count++;
    if (*tmpstr != '\0')
      (*tmpstr) = '\0';
    tmpstr = tmpstr - count;
    printf("Extracted job id string %s from string %s", tmpstr, logfile_format);
  }
  free(logfile_format);
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<main>:
  endbr64
  push   %rbx
  lea    D0(%rip),%rdi
  call   <strdup@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L44
  lea    D8(%rip),%rsi
  mov    %rax,%rdi
  call   <strstr@plt>
  mov    $0x0,%ecx
  test   %rax,%rax
  je     L44
L10:
  movzbl (%rax),%edx
  cmp    $0x3e,%dl
  je     L32
  test   %dl,%dl
  je     L32
  add    $0x1,%rax
  add    $0x1,%ecx
  jmp    L10
L32:
  cmpb   $0x0,(%rax)
  je     L4
  movb   $0x0,(%rax)
L4:
  movslq %ecx,%rcx
  sub    %rcx,%rax
  mov    %rax,%rsi
  mov    %rbx,%rdx
  lea    D9(%rip),%rdi
  call   <printf@plt>
L44:
  mov    %rbx,%rdi
  call   <free@plt>
  mov    $0x0,%eax
  pop    %rbx
  ret
```

tool_calls: name: read_data
arguments: data_label: D0
type_guessed: string
name: read_data
arguments: data_label: D8
type_guessed: string
name: read_data
arguments: data_label: D9
type_guessed: string

tool: D0: %s %d %r %t <jobid=1221> asdasd

tool: D8: <jobid=

tool: D9: Extracted job id string %s from string %s

assistant: ```c
int main(int argc, char *argv[]) {
  char *jobidstr = NULL;
  int count = 0;
  char *logfile_format, *tmpstr;
  logfile_format = strdup("%s %d %r %t <jobid=1221> asdasd");
  if (logfile_format && strstr(logfile_format, "<jobid=") && !jobidstr) {
    tmpstr = strstr(logfile_format, "<jobid=");
    while (tmpstr && *tmpstr != '\0' && *tmpstr != '>')
      tmpstr++, count++;
    if (*tmpstr != '\0')
      (*tmpstr) = '\0';
    tmpstr = tmpstr - count;
    printf("Extracted job id string %s from string %s", tmpstr, logfile_format);
  }
  free(logfile_format);
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D10(%rip),%rdi
  call   <strdup@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L22
  lea    D6(%rip),%rsi
  mov    %rax,%rdi
  call   <strstr@plt>
  test   %rax,%rax
  je     L22
  movzbl (%rax),%edx
  xor    %ecx,%ecx
  test   %dl,%dl
  jne    L17
  jmp    L30
  nopl   0x0(%rax,%rax,1)
L18:
  movzbl 0x1(%rax),%edx
  add    $0x1,%rax
  add    $0x1,%ecx
  test   %dl,%dl
  je     L30
L17:
  cmp    $0x3e,%dl
  jne    L18
  movb   $0x0,(%rax)
L30:
  movslq %ecx,%rcx
  mov    %rbp,%rdx
  lea    D15(%rip),%rdi
  sub    %rcx,%rax
  mov    %rax,%rsi
  call   <printf@plt>
L22:
  mov    %rbp,%rdi
  call   <free@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

tool_calls: name: retrieve_data
arguments: label: D10
type: string
name: retrieve_data
arguments: label: D6
type: string
name: retrieve_data
arguments: label: D15
type: string

tool: D10: %s %d %r %t <jobid=1221> asdasd

tool: D6: <jobid=

tool: D15: Extracted job id string %s from string %s

assistant: ```c
int main(int argc, char *argv[]) {
  char *jobidstr = NULL;
  int count = 0;
  char *logfile_format, *tmpstr;
  logfile_format = strdup("%s %d %r %t <jobid=1221> asdasd");
  if (logfile_format && strstr(logfile_format, "<jobid=") && !jobidstr) {
    tmpstr = strstr(logfile_format, "<jobid=");
    while (tmpstr && *tmpstr != '\0' && *tmpstr != '>')
      tmpstr++, count++;
    if (*tmpstr != '\0')
      (*tmpstr) = '\0';
    tmpstr = tmpstr - count;
    printf("Extracted job id string %s from string %s", tmpstr, logfile_format);
  }
  free(logfile_format);
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D3(%rip),%rdi
  call   <strdup@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L29
  lea    D2(%rip),%rsi
  mov    %rax,%rdi
  call   <strstr@plt>
  test   %rax,%rax
  je     L29
  movzbl (%rax),%edx
  xor    %ecx,%ecx
  test   %dl,%dl
  jne    L4
  jmp    L28
  nopl   0x0(%rax,%rax,1)
L24:
  movzbl 0x1(%rax),%edx
  add    $0x1,%rax
  add    $0x1,%ecx
  test   %dl,%dl
  je     L28
L4:
  cmp    $0x3e,%dl
  jne    L24
  movb   $0x0,(%rax)
L28:
  movslq %ecx,%rcx
  mov    %rbp,%rdx
  lea    D5(%rip),%rdi
  sub    %rcx,%rax
  mov    %rax,%rsi
  call   <printf@plt>
L29:
  mov    %rbp,%rdi
  call   <free@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D3
type_guessed: string
name: extract_symbolic_data
arguments: label: D2
type_guessed: string
name: extract_symbolic_data
arguments: label: D5
type_guessed: string

tool: D3: %s %d %r %t <jobid=1221> asdasd

tool: D2: <jobid=

tool: D5: Extracted job id string %s from string %s

assistant: ```c
int main(int argc, char *argv[]) {
  char *jobidstr = NULL;
  int count = 0;
  char *logfile_format, *tmpstr;
  logfile_format = strdup("%s %d %r %t <jobid=1221> asdasd");
  if (logfile_format && strstr(logfile_format, "<jobid=") && !jobidstr) {
    tmpstr = strstr(logfile_format, "<jobid=");
    while (tmpstr && *tmpstr != '\0' && *tmpstr != '>')
      tmpstr++, count++;
    if (*tmpstr != '\0')
      (*tmpstr) = '\0';
    tmpstr = tmpstr - count;
    printf("Extracted job id string %s from string %s", tmpstr, logfile_format);
  }
  free(logfile_format);
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<set_IFACE_IPv4>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    $0x18,%edi
  call   <malloc@plt>
  mov    %rax,-0x28(%rbp)
  mov    D49(%rip),%rax
  mov    (%rax),%ecx
  mov    D45(%rip),%rax
  mov    (%rax),%eax
  mov    $0x0,%edx
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <socket@plt>
  mov    %eax,-0x2c(%rbp)
  mov    D8(%rip),%rax
  mov    (%rax),%edx
  mov    -0x28(%rbp),%rax
  mov    0x4(%rax),%eax
  mov    -0x40(%rbp),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <strncpy@plt>
  lea    -0x20(%rbp),%rax
  mov    $0x4,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  mov    D45(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,-0x10(%rbp)
  movq   $0x0,-0x18(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <inet_addr@plt>
  mov    %eax,-0x20(%rbp)
  mov    -0x28(%rbp),%rax
  lea    -0x20(%rbp),%rcx
  mov    $0x4,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    D23(%rip),%rax
  mov    (%rax),%ecx
  mov    -0x28(%rbp),%rdx
  mov    -0x2c(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <ioctl@plt>
  mov    -0x2c(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L0
  call   <__stack_chk_fail@plt>
L0:
  leave
  ret
```

assistant: ```c
int set_IFACE_IPv4(char *IP, char *name) {
  int sd;
  struct ifreq *ifreq;
  struct sockaddr_in sa;
  ifreq = malloc(sizeof(struct sockaddr_in));
  sd = socket(AF_INET, SOCK_STREAM, 0);
  strncpy(ifreq->ifr_name, name, IFNAMSIZ);
  memset(&sa, 0, sizeof(struct sockaddr));
  sa.sin_family = AF_INET;
  sa.sin_port = 0;
  sa.sin_addr.s_addr = inet_addr(IP);
  memcpy(&ifreq->ifr_addr, &sa, sizeof(struct sockaddr));
  ioctl(sd, SIOCSIFADDR, ifreq);
  close(sd);
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<set_IFACE_IPv4>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %rdi,%r12
  mov    %rsi,%r13
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    $0x18,%edi
  call   <malloc@plt>
  mov    %rax,%rbx
  mov    D2(%rip),%r14
  mov    $0x0,%edx
  mov    D13(%rip),%rax
  mov    (%rax),%esi
  mov    (%r14),%edi
  call   <socket@plt>
  mov    %eax,%ebp
  mov    0x4(%rbx),%edi
  mov    D37(%rip),%rax
  mov    (%rax),%edx
  mov    %r13,%rsi
  call   <strncpy@plt>
  mov    %rsp,%r13
  mov    $0x4,%edx
  mov    $0x0,%esi
  mov    %r13,%rdi
  call   <memset@plt>
  mov    (%r14),%eax
  mov    %eax,0x10(%rsp)
  movq   $0x0,0x8(%rsp)
  mov    %r12,%rdi
  call   <inet_addr@plt>
  mov    %eax,(%rsp)
  mov    $0x4,%edx
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <memcpy@plt>
  mov    %rbx,%rdx
  mov    D21(%rip),%rax
  mov    (%rax),%esi
  mov    %ebp,%edi
  call   <ioctl@plt>
  mov    %ebp,%edi
  call   <close@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L9
  mov    $0x0,%eax
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L9:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int set_IFACE_IPv4(char *IP, char *name) {
  int sd;
  struct ifreq *ifreq;
  struct sockaddr_in sa;
  ifreq = malloc(sizeof(struct sockaddr_in));
  sd = socket(AF_INET, SOCK_STREAM, 0);
  strncpy(ifreq->ifr_name, name, IFNAMSIZ);
  memset(&sa, 0, sizeof(struct sockaddr));
  sa.sin_family = AF_INET;
  sa.sin_port = 0;
  sa.sin_addr.s_addr = inet_addr(IP);
  memcpy(&ifreq->ifr_addr, &sa, sizeof(struct sockaddr));
  ioctl(sd, SIOCSIFADDR, ifreq);
  close(sd);
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<set_IFACE_IPv4>:
  endbr64
  push   %r14
  mov    %rsi,%r14
  push   %r13
  mov    %rdi,%r13
  mov    $0x18,%edi
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <malloc@plt>
  mov    D19(%rip),%rbx
  xor    %edx,%edx
  mov    %rax,%r12
  mov    D35(%rip),%rax
  mov    (%rbx),%edi
  mov    (%rax),%esi
  call   <socket@plt>
  mov    0x4(%r12),%edi
  mov    %r14,%rsi
  mov    %rsp,%r14
  mov    %eax,%ebp
  mov    D11(%rip),%rax
  mov    (%rax),%edx
  call   <strncpy@plt>
  xor    %esi,%esi
  mov    $0x4,%edx
  mov    %r14,%rdi
  call   <memset@plt>
  mov    (%rbx),%eax
  mov    %r13,%rdi
  movq   $0x0,0x8(%rsp)
  mov    %eax,0x10(%rsp)
  call   <inet_addr@plt>
  mov    $0x4,%edx
  mov    %r14,%rsi
  mov    %r12,%rdi
  mov    %eax,(%rsp)
  call   <memcpy@plt>
  mov    D25(%rip),%rax
  mov    %ebp,%edi
  mov    %r12,%rdx
  mov    (%rax),%esi
  call   <ioctl@plt>
  mov    %ebp,%edi
  call   <close@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x20,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int set_IFACE_IPv4(char *IP, char *name) {
  int sd;
  struct ifreq *ifreq;
  struct sockaddr_in sa;
  ifreq = malloc(sizeof(struct sockaddr_in));
  sd = socket(AF_INET, SOCK_STREAM, 0);
  strncpy(ifreq->ifr_name, name, IFNAMSIZ);
  memset(&sa, 0, sizeof(struct sockaddr));
  sa.sin_family = AF_INET;
  sa.sin_port = 0;
  sa.sin_addr.s_addr = inet_addr(IP);
  memcpy(&ifreq->ifr_addr, &sa, sizeof(struct sockaddr));
  ioctl(sd, SIOCSIFADDR, ifreq);
  close(sd);
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<set_IFACE_IPv4>:
  endbr64
  push   %r14
  mov    %rsi,%r14
  push   %r13
  mov    %rdi,%r13
  mov    $0x18,%edi
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <malloc@plt>
  mov    D21(%rip),%rbx
  xor    %edx,%edx
  mov    %rax,%r12
  mov    D2(%rip),%rax
  mov    (%rbx),%edi
  mov    (%rax),%esi
  call   <socket@plt>
  mov    0x4(%r12),%edi
  mov    %r14,%rsi
  mov    %rsp,%r14
  mov    %eax,%ebp
  mov    D31(%rip),%rax
  mov    (%rax),%edx
  call   <strncpy@plt>
  xor    %esi,%esi
  mov    $0x4,%edx
  mov    %r14,%rdi
  call   <memset@plt>
  mov    (%rbx),%eax
  mov    %r13,%rdi
  movq   $0x0,0x8(%rsp)
  mov    %eax,0x10(%rsp)
  call   <inet_addr@plt>
  mov    $0x4,%edx
  mov    %r14,%rsi
  mov    %r12,%rdi
  mov    %eax,(%rsp)
  call   <memcpy@plt>
  mov    D26(%rip),%rax
  mov    %ebp,%edi
  mov    %r12,%rdx
  mov    (%rax),%esi
  call   <ioctl@plt>
  mov    %ebp,%edi
  call   <close@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L6
  add    $0x20,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L6:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int set_IFACE_IPv4(char *IP, char *name) {
  int sd;
  struct ifreq *ifreq;
  struct sockaddr_in sa;
  ifreq = malloc(sizeof(struct sockaddr_in));
  sd = socket(AF_INET, SOCK_STREAM, 0);
  strncpy(ifreq->ifr_name, name, IFNAMSIZ);
  memset(&sa, 0, sizeof(struct sockaddr));
  sa.sin_family = AF_INET;
  sa.sin_port = 0;
  sa.sin_addr.s_addr = inet_addr(IP);
  memcpy(&ifreq->ifr_addr, &sa, sizeof(struct sockaddr));
  ioctl(sd, SIOCSIFADDR, ifreq);
  close(sd);
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<ft_strcat>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <ft_strlen@plt>
  mov    %eax,-0x4(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L1
L16:
  mov    -0x8(%rbp),%edx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%ecx
  mov    -0x4(%rbp),%edx
  add    %ecx,%edx
  mov    %edx,%ecx
  mov    -0x18(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x8(%rbp)
L1:
  mov    -0x8(%rbp),%edx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L16
  mov    -0x8(%rbp),%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x18(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *ft_strcat(char *dest, const char *src) {
  unsigned int index;
  unsigned int length;
  length = ft_strlen(dest);
  index = 0;
  while (src[index] != 0) {
    dest[index + length] = src[index];
    index++;
  }
  dest[index + length] = 0;
  return (dest);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<ft_strcat>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  call   <ft_strlen@plt>
  movzbl 0x0(%rbp),%ecx
  test   %cl,%cl
  je     L0
  mov    $0x0,%edx
L15:
  lea    (%rax,%rdx,1),%esi
  mov    %cl,(%rbx,%rsi,1)
  add    $0x1,%edx
  mov    %edx,%ecx
  movzbl 0x0(%rbp,%rcx,1),%ecx
  test   %cl,%cl
  jne    L15
L16:
  lea    (%rax,%rdx,1),%eax
  movb   $0x0,(%rbx,%rax,1)
  mov    %rbx,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L0:
  mov    $0x0,%edx
  jmp    L16
```

assistant: ```c
char *ft_strcat(char *dest, const char *src) {
  unsigned int index;
  unsigned int length;
  length = ft_strlen(dest);
  index = 0;
  while (src[index] != 0) {
    dest[index + length] = src[index];
    index++;
  }
  dest[index + length] = 0;
  return (dest);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<ft_strcat>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  call   <ft_strlen@plt>
  movzbl (%rbx),%ecx
  test   %cl,%cl
  je     L1
  xor    %edx,%edx
  nop
L5:
  lea    (%rax,%rdx,1),%r8d
  mov    %cl,(%r12,%r8,1)
  lea    0x1(%rdx),%ecx
  mov    %rcx,%rdx
  movzbl (%rbx,%rcx,1),%ecx
  test   %cl,%cl
  jne    L5
  add    %edx,%eax
L1:
  mov    %eax,%eax
  movb   $0x0,(%r12,%rax,1)
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
```

assistant: ```c
char *ft_strcat(char *dest, const char *src) {
  unsigned int index;
  unsigned int length;
  length = ft_strlen(dest);
  index = 0;
  while (src[index] != 0) {
    dest[index + length] = src[index];
    index++;
  }
  dest[index + length] = 0;
  return (dest);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<ft_strcat>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  call   <ft_strlen@plt>
  movzbl (%rbx),%ecx
  test   %cl,%cl
  je     L15
  xor    %edx,%edx
  nop
L11:
  lea    (%rax,%rdx,1),%r8d
  mov    %cl,(%r12,%r8,1)
  lea    0x1(%rdx),%ecx
  mov    %rcx,%rdx
  movzbl (%rbx,%rcx,1),%ecx
  test   %cl,%cl
  jne    L11
  add    %edx,%eax
L15:
  mov    %eax,%eax
  movb   $0x0,(%r12,%rax,1)
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
```

assistant: ```c
char *ft_strcat(char *dest, const char *src) {
  unsigned int index;
  unsigned int length;
  length = ft_strlen(dest);
  index = 0;
  while (src[index] != 0) {
    dest[index + length] = src[index];
    index++;
  }
  dest[index + length] = 0;
  return (dest);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<copy_event_files>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %esi,-0x3c(%rbp)
  mov    -0x3c(%rbp),%edx
  mov    -0x38(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <read_copy_size4@plt>
  mov    %eax,-0x1c(%rbp)
  cmpl   $0x0,-0x1c(%rbp)
  jns    L109
  mov    $0xffffffff,%eax
  jmp    L75
L109:
  movl   $0x0,-0x24(%rbp)
  jmp    L33
L127:
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <read_string@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  jne    L93
  mov    $0xffffffff,%eax
  jmp    L75
L93:
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  lea    0x1(%rax),%rdx
  mov    -0x10(%rbp),%rcx
  mov    -0x3c(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <__do_write_check@plt>
  test   %rax,%rax
  je     L119
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0xffffffff,%eax
  jmp    L75
L119:
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x3c(%rbp),%edx
  mov    -0x38(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <read_copy_size4@plt>
  mov    %eax,-0x18(%rbp)
  cmpl   $0x0,-0x18(%rbp)
  jns    L42
  mov    $0xffffffff,%eax
  jmp    L75
L42:
  movl   $0x0,-0x20(%rbp)
  jmp    L95
L129:
  mov    -0x3c(%rbp),%edx
  mov    -0x38(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <read_copy_size8@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x3c(%rbp),%edx
  mov    -0x8(%rbp),%rcx
  mov    -0x38(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <read_copy_data@plt>
  mov    %eax,-0x14(%rbp)
  cmpl   $0x0,-0x14(%rbp)
  jns    L9
  mov    $0xffffffff,%eax
  jmp    L75
L9:
  addl   $0x1,-0x20(%rbp)
L95:
  mov    -0x20(%rbp),%eax
  cmp    -0x18(%rbp),%eax
  jl     L129
  addl   $0x1,-0x24(%rbp)
L33:
  mov    -0x24(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L127
  mov    $0x0,%eax
L75:
  leave
  ret
```

assistant: ```c
int copy_event_files(struct tracecmd_input *handle, int fd) {
  unsigned long long size;
  char *system;
  int systems;
  int count;
  int ret;
  int i, x;
  systems = read_copy_size4(handle, fd);
  if (systems < 0)
    return -1;
  for (i = 0; i < systems; i++) {
    system = read_string(handle);
    if (!system)
      return -1;
    if (__do_write_check(fd, system, strlen(system) + 1)) {
      free(system);
      return -1;
    }
    free(system);
    count = read_copy_size4(handle, fd);
    if (count < 0)
      return -1;
    for (x = 0; x < count; x++) {
      size = read_copy_size8(handle, fd);
      if (size < 0)
        return -1;
      ret = read_copy_data(handle, size, fd);
      if (ret < 0)
        return -1;
    }
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<copy_event_files>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %esi,%r12d
  call   <read_copy_size4@plt>
  test   %eax,%eax
  js     L90
  mov    %eax,%r14d
  jle    L114
  mov    $0x0,%r15d
L51:
  mov    %rbp,%rdi
  call   <read_string@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L89
  mov    %rax,%rdi
  call   <strlen@plt>
  lea    0x1(%rax),%rdx
  mov    %rbx,%rsi
  mov    %r12d,%edi
  call   <__do_write_check@plt>
  test   %rax,%rax
  jne    L22
  mov    %rbx,%rdi
  call   <free@plt>
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <read_copy_size4@plt>
  mov    %eax,%r13d
  test   %eax,%eax
  js     L80
  jle    L115
  mov    $0x0,%ebx
L85:
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <read_copy_size8@plt>
  mov    %rax,%rsi
  mov    %r12d,%edx
  mov    %rbp,%rdi
  call   <read_copy_data@plt>
  test   %eax,%eax
  js     L31
  add    $0x1,%ebx
  cmp    %ebx,%r13d
  jne    L85
L115:
  add    $0x1,%r15d
  cmp    %r15d,%r14d
  jne    L51
  mov    $0x0,%eax
  jmp    L129
L22:
  mov    %rbx,%rdi
  call   <free@plt>
  mov    $0xffffffff,%eax
  jmp    L129
L90:
  mov    $0xffffffff,%eax
  jmp    L129
L114:
  mov    $0x0,%eax
  jmp    L129
L89:
  mov    $0xffffffff,%eax
  jmp    L129
L80:
  mov    $0xffffffff,%eax
  jmp    L129
L31:
  mov    $0xffffffff,%eax
L129:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
int copy_event_files(struct tracecmd_input *handle, int fd) {
  unsigned long long size;
  char *system;
  int systems;
  int count;
  int ret;
  int i, x;
  systems = read_copy_size4(handle, fd);
  if (systems < 0)
    return -1;
  for (i = 0; i < systems; i++) {
    system = read_string(handle);
    if (!system)
      return -1;
    if (__do_write_check(fd, system, strlen(system) + 1)) {
      free(system);
      return -1;
    }
    free(system);
    count = read_copy_size4(handle, fd);
    if (count < 0)
      return -1;
    for (x = 0; x < count; x++) {
      size = read_copy_size8(handle, fd);
      if (size < 0)
        return -1;
      ret = read_copy_data(handle, size, fd);
      if (ret < 0)
        return -1;
    }
  }
  return 0;
}
```