#include <stdio.h>

int main(int argc, char** argv)
{


	FILE* infile = fopen( "file.txt", "r" );
	FILE* outfile = fopen( "file2.txt", "w" );
	FILE* binary = fopen( "data.simp", "rb" );

	if ( infile == 0 )
	{
		/* Error happened in fopen! */
		printf("Failed to open file.txt!\n");
		/* TODO: close other files */
		return 1;
	}

	/* flush the file buffer */
	fflush(outfile);

	fflush(stdout);


	/* Let's Read from infile! */
	int number = 0;
	fscanf( infile, "%d", &number ); /* similar to scanf */
	/* fscanf( stdin, format, args... ) == scanf( format, args... ) */

	/* To read a single int from a binary file: */
	/* fread( data pointer, wordsize, length, FILE* ) */
	fread( &number, sizeof(int), 1, binary );


	fprintf( outfile, "%04d\n", number );
	/* fprintf( stdout, format, args.. ) == printf( format, args...) */

	/* fwrite( data pointer, wordsize, length, FILE* ) */
	fwrite( &number, sizeof(int), 1, binary );


	char c = fgetc( infile ); /* Get a single character from infile */

	if ( c == EOF )
	{
		/* c is the End-of-File character */
		/* Works for Text Files (not binary Files!) */
		printf("I'm out! No more data!\n");

	}

	if ( feof( binary ) )
	{
		/* I get here if binary is out of data! */
	}	
	
	FILE* appendify = fopen("file2.txt", "a"); /* append to existing data! */






	fputc( outfile, c ); /* Write a single character to outfile */


	/* Done with infile */
	fclose(infile);
	fclose(outfile);
	fclose(binary);
	infile = 0;
	outfile = 0;
	binary = 0;



	return 0;
}