abort C Library Function

November 16, 2024November 15, 2024 by veer

The function void abort(void); aborts the program execution at the place of the call, producing an abnormal program termination. The abort function raises the SIGABRT signal, and causes abnormal program termination returning a platform-dependent unsuccessful termination error code.

Function prototype of abort

void abort(void);

Return value of abort

NONE

C program using abort function

The following program shows the use of abort function to terminate a program in case of some run-time exception.

#include <stdio.h>
#include <stdlib.h>
 
int main(){
    int numerator, denominator;
     
    printf("Enter numerator and denominator for division\n");
    scanf("%d %d", &numerator, &denominator);
 
    if(denominator == 0){
        printf("Aborting program\n");
        abort();
        printf("It won't get printed ever\n");
    } else {
        printf("Quotient : %lf", (double)numerator/denominator);
    }
      
    return 0;
}

Output

Enter numerator and denominator for division
5 0
Aborting program

Enter numerator and denominator for division
5 2
Quotient : 2.500000

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