abort

Abnormally terminates a program.

Defined in header <stdlib.h>

Syntax

#include <stdlib.h>
void abort(void);

Portability

Remarks

abort writes a termination message ("Abnormal program termination") on stderr, then aborts the program by a call to _exit with exit code 3.

Return value

abort returns the exit code 3 to the parent process or to DOS.

See also

• assert
• atexit
• exit
• exit
• raise
• signal
• spawn

Example

#include <stdio.h>
#include <stdlib.h>
int main (void)

   printf ("Calling abort()\n");
   abort ();
   return 0; /* This  is never reached */

Differences from modern implementations

Nothing recorded yet.

Modern references

• cppreference (search)
• POSIX (search)
• Microsoft C runtime (search)

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Stable link: /3.1/stdlib.h/abort/ · short form /3.1/abort/