abort(3C) — C LIBRARY FUNCTIONS
NAME
abort − generate an abnormal termination signal
SYNOPSIS
#include <stdlib.h>
void abort (void);
DESCRIPTION
abort first closes all open files, stdio(3S) streams, directory streams and message catalogue descriptors, if possible, then causes the signal SIGABRT to be sent to the calling process.
SEE ALSO
tbx(1), exit(2), kill(2), signal(2), catopen(3C), stdio(3S).
DIAGNOSTICS
If SIGABRT is neither caught nor ignored, and the current directory is writable, a core dump is produced and the message abort − core dumped is written by the shell [see sh(1)].
— C Development Set