Creates random numbers in a given file in C

In this sample program it will create a random numbers in a given file in C.

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Program Listing

random.c

#include <stdio.h>

#include <conio.h>

#include <stdlib.h>

void main( )

{

FILE *fp ;

char str [ 67 ] ;

int i, noofr, j ;

clrscr( ) ;

printf ( "Enter file name: " ) ;

scanf ( "%s", str ) ;

printf ( "Enter number of records: " ) ;

scanf ( "%d", &noofr ) ;

fp = fopen ( str, "wb" ) ;

if ( fp == NULL )

{

printf ( "Unable to create file." ) ;

getch( ) ;

exit ( 0 ) ;

}

randomize( ) ;

for ( i = 0 ; i < noofr ; i++ )

{

j = random ( 1000 ) ;

fwrite ( &j, sizeof ( int ), 1, fp ) ;

printf ( "%d\t", j ) ;

}

fclose ( fp ) ;

printf ( "\nFile is created. \nPress any key to continue." ) ;

getch( ) ;

}