File problem

[teknikal]

Write a program that reads a file containg a list of numbers, and then writes two files, one with all numbers divisible by three and another containing all the other numbers.

#include <stdio.h>

enum{SUCCESS,FAIL};

void CharReadWrite(FILE *fin, FILE *fout, FILE *fout2);
main(void)
{
	FILE *fptr1, *fptr2, *fptr3;
	
	char filename1[]="numberlist.txt";
	char filename2[]="divideby3.txt";
	char filename3[]="restofnumbers.txt";

	int reval=SUCCESS;

	if ((fptr1=fopen(filename1, "r"))==NULL)
	{
		printf("Cannot open %d.\n", filename1);
		reval = FAIL;
	}

	else if ((fptr2 = fopen(filename2, "w"))==NULL)
	{
		printf("Cannot open %d.\n", filename2);
		reval = FAIL;
	}

	else if ((fptr3=fopen(filename3, "w"))==NULL)
	{
		printf("Cannot open %d.\n", filename3);
		reval = FAIL;
	}

	else
	{
		CharReadWrite(fptr1, fptr2, fptr3);
		fclose(fptr1);
		fclose(fptr2);
		fclose(fptr3);

	}

	return reval;

}

	/*function definition*/

void CharReadWrite(FILE *fin, FILE *fout, FILE *fout2);
{
	int c;

	while((c=fgetc(fin)) !=EOF)
	{
	fputc(c, fout);		/*write to a file*/
	putchar(c);			/*put the character to the screen*/

	}
}

says it can't open the file and there are probably more problems as well

Any help thanks

[master5001]

Does it say that it can't open the input file or the output. If the former, make sure that you are inputting a valid file. If the latter then you may not have enough disk space.

[Monster]

if ((fptr1=fopen(filename1, "r"))==NULL)
{
   perror(filename1);
   reval = FAIL;
}

The perror function might give you some more information why the file could not be opened.

Try to close all files when leaving the function:

else if ((fptr2 = fopen(filename2, "w"))==NULL)
{
   printf("Cannot open %d.\n", filename2);
   flocse(fptr1);
   reval = FAIL;
}

[teknikal]

Ok I redid my program with some help and now i'm getting an illegal break error any reasons why

#include <stdio.h>

int main()

{
	int a,b,c,num,scan,data[1000];
	FILE *input, *divide3, *rest;
	input=fopen("numberlist.txt","r");
	divide3=fopen("divide3.txt","w");
	rest=fopen("rest.txt","w");

	printf("Type in the multiple to seperate files by\n");
	scanf("%d", &a);

	if (input==NULL)
	{
		printf("Cannot locate file\n");
			Exit();
	}

	for (c=0; input !=NULL; c++);
	{
		scan=fscanf(input, "%d\n", &data[c]);
		{
			num = c--;
			break;
		}
	}

	for(c=0; c<num; c++)
	{
		if(data[c]%a==0)
		{
			fprintf(divide3, "%d\n", data[c]);
			b++;
		}
		else
			fprintf(rest, "%d\n", data[c]);
	}

	fclose(data);
	fclose(divide3);
	fclose(rest);
	return 0;

}