cause abnormal program
function causes abnormal program termination to occur, unless the signal
SIGABRT is being caught and the signal handler does
Some implementations may flush output streams before terminating. This implementation does not.
abort() function never returns.
abort() function conforms to
IEEE Std 1003.1-1990 (“POSIX.1”).
abort() function first appeared in
Version 5 AT&T UNIX.
Historically, previous standards required
abort() to flush and close output streams, but this
conflicted with the requirement that
async signal safe. As a result, the flushing requirement was dropped.