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abort

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Header File

stdlib.h

Category

Process Control Routines

Prototype

void abort(void);

Description

Abnormally terminates a program.

abort causes an abnormal program termination by calling raise(SIGABRT). If there is no signal handler for SIGABRT, then 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 the operating system command processor.

Example

#include <stdio.h>
#include <stdlib.h>
int main(void)
{
    printf("Calling abort()\n");
    abort();
    return 0; /* This is never reached */
}

Portability

POSIX Win32 ANSI C ANSI C++

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