sdl/i_system.c: In function 'write_backtrace':
sdl/i_system.c:262:46: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
  262 | #define CRASHLOG_WRITE(string) if (fd != -1) write(fd, string, strlen(string))
      |                                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sdl/i_system.c:292:9: note: in expansion of macro 'CRASHLOG_WRITE'
  292 |         CRASHLOG_WRITE("------------------------\n"); // Nice looking seperator
      |         ^~~~~~~~~~~~~~
sdl/i_system.c:265:17: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
  265 |                 write(fd, string, strlen(string));\
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sdl/i_system.c:294:9: note: in expansion of macro 'CRASHLOG_STDERR_WRITE'
  294 |         CRASHLOG_STDERR_WRITE("\n"); // Newline to look nice for both outputs.
      |         ^~~~~~~~~~~~~~~~~~~~~
sdl/i_system.c:265:17: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
  265 |                 write(fd, string, strlen(string));\
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sdl/i_system.c:295:9: note: in expansion of macro 'CRASHLOG_STDERR_WRITE'
  295 |         CRASHLOG_STDERR_WRITE(error); // "Oops, SRB2 crashed" message
      |         ^~~~~~~~~~~~~~~~~~~~~
sdl/i_system.c:262:46: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
  262 | #define CRASHLOG_WRITE(string) if (fd != -1) write(fd, string, strlen(string))
      |                                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sdl/i_system.c:299:9: note: in expansion of macro 'CRASHLOG_WRITE'
  299 |         CRASHLOG_WRITE("Time of crash: ");
      |         ^~~~~~~~~~~~~~
sdl/i_system.c:262:46: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
  262 | #define CRASHLOG_WRITE(string) if (fd != -1) write(fd, string, strlen(string))
      |                                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sdl/i_system.c:300:9: note: in expansion of macro 'CRASHLOG_WRITE'
  300 |         CRASHLOG_WRITE(timestr);
      |         ^~~~~~~~~~~~~~
sdl/i_system.c:262:46: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
  262 | #define CRASHLOG_WRITE(string) if (fd != -1) write(fd, string, strlen(string))
      |                                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sdl/i_system.c:301:9: note: in expansion of macro 'CRASHLOG_WRITE'
  301 |         CRASHLOG_WRITE("\n");
      |         ^~~~~~~~~~~~~~
sdl/i_system.c:262:46: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
  262 | #define CRASHLOG_WRITE(string) if (fd != -1) write(fd, string, strlen(string))
      |                                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sdl/i_system.c:305:9: note: in expansion of macro 'CRASHLOG_WRITE'
  305 |         CRASHLOG_WRITE("Cause: ");
      |         ^~~~~~~~~~~~~~
sdl/i_system.c:262:46: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
  262 | #define CRASHLOG_WRITE(string) if (fd != -1) write(fd, string, strlen(string))
      |                                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sdl/i_system.c:306:9: note: in expansion of macro 'CRASHLOG_WRITE'
  306 |         CRASHLOG_WRITE(strsignal(signal));
      |         ^~~~~~~~~~~~~~
sdl/i_system.c:262:46: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
  262 | #define CRASHLOG_WRITE(string) if (fd != -1) write(fd, string, strlen(string))
      |                                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sdl/i_system.c:307:9: note: in expansion of macro 'CRASHLOG_WRITE'
  307 |         CRASHLOG_WRITE("\n"); // Newline for the signal name
      |         ^~~~~~~~~~~~~~
sdl/i_system.c:265:17: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
  265 |                 write(fd, string, strlen(string));\
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sdl/i_system.c:309:9: note: in expansion of macro 'CRASHLOG_STDERR_WRITE'
  309 |         CRASHLOG_STDERR_WRITE("\nBacktrace:\n");
      |         ^~~~~~~~~~~~~~~~~~~~~
sdl/i_system.c:262:46: warning: ignoring return value of 'write' declared with attribute 'warn_unused_result' [-Wunused-result]
  262 | #define CRASHLOG_WRITE(string) if (fd != -1) write(fd, string, strlen(string))
      |                                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sdl/i_system.c:316:9: note: in expansion of macro 'CRASHLOG_WRITE'
  316 |         CRASHLOG_WRITE("\n"); // Write another newline to the log so it looks nice :)
      |         ^~~~~~~~~~~~~~