C library function - abort()

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Description

The C library function void abort(void) abort the program execution and comes out directly from the place of the call.

Declaration

Following is the declaration for abort() function.

void abort(void)

Parameters

• NA

Return Value

This function does not return any value.

Example

The following example shows the usage of abort() function.

#include <stdio.h>
#include <stdlib.h>

int main () {
   FILE *fp;
   
   printf("Going to open nofile.txt\n");
   fp = fopen( "nofile.txt","r" );
   if(fp == NULL) {
      printf("Going to abort the program\n");
      abort();
   }
   printf("Going to close nofile.txt\n");
   fclose(fp);
   
   return(0);
}

Let us compile and run the above program that will produce the following result when it tries to open nofile.txt file, which does not exist −

Going to open nofile.txt                                                    
Going to abort the program                                                  
Aborted (core dumped)