user: What would the C source look like for the assembly code provided here:

```asm
<usage>:
  endbr64
  push   %rbx
  mov    %esi,%ebx
  lea    D15(%rip),%r8
  mov    $0x20,%ecx
  mov    $0x28,%edx
  lea    D19(%rip),%rsi
  call   <fprintf@plt>
  mov    %ebx,%edi
  call   <exit@plt>
  pop    %rbx
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D15
type: string
name: retrieve_data
arguments: tag: D19
type: string

tool: D15: time

tool: {"D19": "usage: strace [-CdffhiLqrtttTvVxxy] [-I n] [-e expr]...\n              [-a column] [-l command] [-o file] [-s strsize] [-P path]...\n              -p pid... / [-D] [-E var=val]... [-u username] PROG [ARGS]\n   or: strace -c[df] [-I n] [-l command] [-e expr]... [-O overhead] [-S sortby]\n              -p pid... / [-D] [-E var=val]... [-u username] PROG [ARGS]\n   or: strace -Lfyl './filter.pl <rules-for-prog.sf>' prog\n-c -- count time, calls, and errors for each syscall and report summary\n-C -- like -c but also print regular output\n-d -- enable debug output to stderr\n-D -- run tracer process as a detached grandchild, not as parent\n-f -- follow forks, -ff -- with output into separate files\n-i -- print instruction pointer at time of syscall\n-l -- invoke a command to control and possibly limit syscall execution\n-L -- buffer output until syscall returns\n-q -- suppress messages about attaching, detaching, etc.\n-r -- print relative timestamp, -t -- absolute timestamp, -tt -- with usecs\n-T -- print time spent in each syscall\n-v -- verbose mode: print unabbreviated argv, stat, termios, etc. args\n-x -- print non-ascii strings in hex, -xx -- print all strings in hex\n-y -- print paths associated with file descriptor arguments\n-h -- print help message, -V -- print version\n-a column -- alignment COLUMN for printing syscall results (default %d)\n-b execve -- detach on this syscall\n-e expr -- a qualifying expression: option=[!]all or option=[!]val1[,val2]...\n   options: trace, abbrev, verbose, raw, signal, read, write\n-I interruptible --\n   1: no signals are blocked\n   2: fatal signals are blocked while decoding syscall (default)\n   3: fatal signals are always blocked (default if '-o FILE PROG')\n   4: fatal signals and SIGTSTP (^Z) are always blocked\n      (useful to make 'strace -o FILE PROG' not stop on ^Z)\n-o file -- send trace output to FILE instead of stderr\n-O overhead -- set overhead for tracing syscalls to OVERHEAD usecs\n-p pid -- trace process with process id PID, may be repeated\n-s strsize -- limit length of print strings to STRSIZE chars (default %d)\n-S sortby -- sort syscall counts by: time, calls, name, nothing (default %s)\n-u username -- run command as username handling setuid and/or setgid\n-E var=val -- put var=val in the environment for command\n-E var -- remove var from the environment for command\n-P path -- trace accesses to path\n"}

assistant: ```c
void usage(FILE *ofp, int exitval) {
  fprintf(ofp, "usage: strace [-CdffhiLqrtttTvVxxy] [-I n] [-e expr]...\n              [-a column] [-l command] [-o file] [-s strsize] [-P path]...\n              -p pid... / [-D] [-E var=val]... [-u username] PROG [ARGS]\n   or: strace -c[df] [-I n] [-l command] [-e expr]... [-O overhead] [-S sortby]\n              -p pid... / [-D] [-E var=val]... [-u username] PROG [ARGS]\n   or: strace -Lfyl './filter.pl <rules-for-prog.sf>' prog\n-c -- count time, calls, and errors for each syscall and report summary\n-C -- like -c but also print regular output\n-d -- enable debug output to stderr\n-D -- run tracer process as a detached grandchild, not as parent\n-f -- follow forks, -ff -- with output into separate files\n-i -- print instruction pointer at time of syscall\n-l -- invoke a command to control and possibly limit syscall execution\n-L -- buffer output until syscall returns\n-q -- suppress messages about attaching, detaching, etc.\n-r -- print relative timestamp, -t -- absolute timestamp, -tt -- with usecs\n-T -- print time spent in each syscall\n-v -- verbose mode: print unabbreviated argv, stat, termios, etc. args\n-x -- print non-ascii strings in hex, -xx -- print all strings in hex\n-y -- print paths associated with file descriptor arguments\n-h -- print help message, -V -- print version\n-a column -- alignment COLUMN for printing syscall results (default %d)\n-b execve -- detach on this syscall\n-e expr -- a qualifying expression: option=[!]all or option=[!]val1[,val2]...\n   options: trace, abbrev, verbose, raw, signal, read, write\n-I interruptible --\n   1: no signals are blocked\n   2: fatal signals are blocked while decoding syscall (default)\n   3: fatal signals are always blocked (default if '-o FILE PROG')\n   4: fatal signals and SIGTSTP (^Z) are always blocked\n      (useful to make 'strace -o FILE PROG' not stop on ^Z)\n-o file -- send trace output to FILE instead of stderr\n-O overhead -- set overhead for tracing syscalls to OVERHEAD usecs\n-p pid -- trace process with process id PID, may be repeated\n-s strsize -- limit length of print strings to STRSIZE chars (default %d)\n-S sortby -- sort syscall counts by: time, calls, name, nothing (default %s)\n-u username -- run command as username handling setuid and/or setgid\n-E var=val -- put var=val in the environment for command\n-E var -- remove var from the environment for command\n-P path -- trace accesses to path\n", 40, 32, "time");
  exit(exitval);
}
```