user: 请从给定的汇编指令推导出C源代码：

```asm
<compose_add_challenge>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %edx,-0x44(%rbp)
  mov    %ecx,-0x48(%rbp)
  mov    %r8d,-0x4c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    $0xc8,%edi
  call   <malloc@plt>
  mov    %rax,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  lea    D2(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    -0x4c(%rbp),%edx
  lea    -0x20(%rbp),%rax
  lea    D24(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <sprintf@plt>
  lea    -0x20(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  mov    -0x28(%rbp),%rax
  lea    D33(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  mov    -0x44(%rbp),%edx
  lea    -0x20(%rbp),%rax
  lea    D24(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <sprintf@plt>
  lea    -0x20(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  mov    -0x28(%rbp),%rax
  lea    D65(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  mov    -0x48(%rbp),%edx
  lea    -0x20(%rbp),%rax
  lea    D24(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <sprintf@plt>
  lea    -0x20(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  mov    -0x28(%rbp),%rax
  lea    D27(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  lea    -0x20(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  mov    -0x28(%rbp),%rax
  lea    D92(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  mov    -0x38(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  mov    -0x28(%rbp),%rax
  lea    D90(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  mov    -0x40(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  mov    -0x28(%rbp),%rax
  lea    D99(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  mov    -0x28(%rbp),%rax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L7
  call   <__stack_chk_fail@plt>
L7:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D2
data_type: string
name: extract_symbolic_data
arguments: label: D24
data_type: string
name: extract_symbolic_data
arguments: label: D33
data_type: string
name: extract_symbolic_data
arguments: label: D65
data_type: string
name: extract_symbolic_data
arguments: label: D27
data_type: string
name: extract_symbolic_data
arguments: label: D92
data_type: string
name: extract_symbolic_data
arguments: label: D90
data_type: string
name: extract_symbolic_data
arguments: label: D99
data_type: string

tool: D2: UPDATE game_data SET key="

tool: D24: %d

tool: D33: ", dist="

tool: D65: ", turn="

tool: D27: ", last="

tool: D92: " WHERE u1="

tool: D90: " and u2="

tool: D99: ";

assistant: ```c
char *compose_add_challenge(char *u1, char *u2, int dist, int newTurn, int key) {
  char *execStr = malloc(200);
  strcpy(execStr, "UPDATE game_data SET key=\"");
  char c[20];
  sprintf(c, "%d", key);
  strcat(execStr, c);
  strcat(execStr, "\", dist=\"");
  sprintf(c, "%d", dist);
  strcat(execStr, c);
  strcat(execStr, "\", turn=\"");
  sprintf(c, "%d", newTurn);
  strcat(execStr, c);
  strcat(execStr, "\", last=\"");
  strcat(execStr, c);
  strcat(execStr, "\" WHERE u1=\"");
  strcat(execStr, u1);
  strcat(execStr, "\" and u2=\"");
  strcat(execStr, u2);
  strcat(execStr, "\";");
  return execStr;
}
```