ABORT(3) Library Functions Manual ABORT(3)
abort - cause abnormal program termination
The abort() function causes abnormal program termination to occur, unless
the signal SIGABRT is being caught and the signal handler does not
Some implementations may flush output streams before terminating. This
implementation does not.
The abort() function never returns.
The abort() function conforms to IEEE Std 1003.1-1990 (``POSIX.1'').
The 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 abort() be
async signal safe. As a result, the flushing requirement was dropped.
OpenBSD 5.9 May 14, 2014 OpenBSD 5.9
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