8  * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
118     epoch_offset = time(NULL) - tv.tv_sec;  in logmsg()
126             (int)now->tm_hour, (int)now->tm_min, (int)now->tm_sec,  in logmsg()
176     logmsg("Error initialising winsock -- aborting");  in win32_init()
184     logmsg("No suitable winsock.dll found -- aborting");  in win32_init()
221  *   -1 = system call error, or invalid timeout value
239     return -1;  in wait_ms()
257     if(r != -1)  in wait_ms()
262     pending_ms = timeout_ms - (int)timediff(tvnow(), initial_tv);  in wait_ms()
265   } while(r == -1);  in wait_ms()
268     r = -1;  in wait_ms()
285    * - https://cygwin.com/git/?p=newlib-cygwin.git;a=commit; ↵  in write_pidfile()
287    * - https://cygwin.com/git/?p=newlib-cygwin.git;a=commit; ↵  in write_pidfile()
314   FILE *lockfile;  in set_advisor_read_lock()  local
319     lockfile = fopen(filename, "wb");  in set_advisor_read_lock()
320   } while((lockfile == NULL) && ((error = errno) == EINTR));  in set_advisor_read_lock()
321   if(lockfile == NULL) {  in set_advisor_read_lock()
328     res = fclose(lockfile);  in set_advisor_read_lock()
361     return (char)('A' + in - 'a');  in raw_toupper()
428     max--;  in strncasecompare()
471   ** could be the system start-up time, the Epoch, or something else,  in tvnow()
484   ** run-time. When this occurs simply fallback to other time source.  in tvnow()
529   timediff_t diff = newer.tv_sec-older.tv_sec;  in timediff()
534   return (long)(newer.tv_sec-older.tv_sec)*1000+  in timediff()
535     (long)(newer.tv_usec-older.tv_usec)/1000;  in timediff()
538 /* do-nothing macro replacement for systems which lack siginterrupt() */
616  * interrupt occurs, Win32 operating systems generate a new thread
617  * to specifically handle that interrupt. This can cause a single-thread
624  * explicitly generate these signals by calling raise. Source:
625  * https://docs.microsoft.com/de-de/cpp/c-runtime-library/reference/signal
644     logmsg("ctrl_event_handler: %d -> %d", dwCtrlType, signum);  in ctrl_event_handler()
668       logmsg("main_window_proc: %d -> %d", uMsg, signum);  in main_window_proc()
688     return (DWORD)-1;  in main_window_loop()
700     return (DWORD)-1;  in main_window_loop()
705     if(ret == -1) {  in main_window_loop()
707       return (DWORD)-1;  in main_window_loop()