user: 下面的汇编指令对应的C源代码是什么:

```asm
<find_contenttype>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    $0x2e,%esi
  mov    %rax,%rdi
  call   <strrchr@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L37
  mov    -0x8(%rbp),%rax
  lea    D41(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L75
  mov    -0x8(%rbp),%rax
  lea    D42(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L148
L75:
  lea    D89(%rip),%rax
  jmp    L50
L148:
  mov    -0x8(%rbp),%rax
  lea    D135(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L147
  lea    D155(%rip),%rax
  jmp    L50
L147:
  mov    -0x8(%rbp),%rax
  lea    D105(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L111
  lea    D133(%rip),%rax
  jmp    L50
L111:
  mov    -0x8(%rbp),%rax
  lea    D11(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L96
  lea    D97(%rip),%rax
  jmp    L50
L96:
  mov    -0x8(%rbp),%rax
  lea    D14(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L36
  lea    D129(%rip),%rax
  jmp    L50
L36:
  mov    -0x8(%rbp),%rax
  lea    D120(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L128
  mov    -0x8(%rbp),%rax
  lea    D130(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L128
  mov    -0x8(%rbp),%rax
  lea    D23(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L128
  mov    -0x8(%rbp),%rax
  lea    D158(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L37
L128:
  lea    D30(%rip),%rax
  jmp    L50
L37:
  lea    D27(%rip),%rax
L50:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: tag: D41
data_type: string
name: disassemble_data
arguments: tag: D42
data_type: string
name: disassemble_data
arguments: tag: D89
data_type: string
name: disassemble_data
arguments: tag: D135
data_type: string
name: disassemble_data
arguments: tag: D155
data_type: string
name: disassemble_data
arguments: tag: D105
data_type: string
name: disassemble_data
arguments: tag: D133
data_type: string
name: disassemble_data
arguments: tag: D11
data_type: string
name: disassemble_data
arguments: tag: D97
data_type: string
name: disassemble_data
arguments: tag: D14
data_type: string
name: disassemble_data
arguments: tag: D129
data_type: string
name: disassemble_data
arguments: tag: D120
data_type: string
name: disassemble_data
arguments: tag: D130
data_type: string
name: disassemble_data
arguments: tag: D23
data_type: string
name: disassemble_data
arguments: tag: D158
data_type: string
name: disassemble_data
arguments: tag: D30
data_type: string
name: disassemble_data
arguments: tag: D27
data_type: string

tool: D41: .html

tool: D42: .htm

tool: D89: text/html

tool: D135: .jpg

tool: D155: image/jpeg

tool: D105: .png

tool: D133: image/png

tool: D11: .gif

tool: D97: image/gif

tool: D14: .css

tool: D129: text/css

tool: D120: .txt

tool: D130: .c

tool: D23: .cpp

tool: D158: .log

tool: D30: text/plain

tool: D27: application/octet-stream

assistant: ```c
char *find_contenttype(char *path) {
  char *extension = strrchr(path, '.');
  if (extension != NULL) {
    if ((strcmp(extension, ".html") == 0 || strcmp(extension, ".htm") == 0)) {
      return "text/html";
    } else if (strcmp(extension, ".jpg") == 0) {
      return "image/jpeg";
    } else if (strcmp(extension, ".png") == 0) {
      return "image/png";
    } else if (strcmp(extension, ".gif") == 0) {
      return "image/gif";
    } else if (strcmp(extension, ".css") == 0) {
      return "text/css";
    } else if (strcmp(extension, ".txt") == 0 || strcmp(extension, ".c") == 0 || strcmp(extension, ".cpp") == 0 || strcmp(extension, ".log") == 0) {
      return "text/plain";
    }
  }
  return "application/octet-stream";
}
```