ABORT(3) Library Functions Manual ABORT(3)
abort - generate a fault
Abort executes an instruction which is illegal in user mode. This
causes a signal that normally terminates the process with a core dump,
which may be used for debugging.
adb(1), sigvec(2), exit(2)
Usually `IOT trap - core dumped' from the shell.
The abort() function does not flush standard I/O buffers. Use
18 January 1983 ABORT(3)