#include <stdio.h>
#include <stdlib.h>
#include <sys\stat.h>
#include <string.h>
#include <fcntl.h>
#include<io.h>

#define  FILE	"data"
#define	 LINESIZE 80

int main( ) {
	struct stat statbuf;
	char *linebuf, *p, *found;
	int fh, price;

	if( ! stat( FILE, &statbuf )
	&&  ( p = calloc( statbuf.st_size, sizeof( char ) ) )
	&&  ( fh = open( FILE, O_RDONLY|O_BINARY, S_IREAD ) )
	&&  ( read( fh, p, statbuf.st_size ) > 0 )
	&&  ! close( fh )
	) {
		printf( "%s", "Fruit? " );
		linebuf = calloc( LINESIZE, sizeof( char ) );
		fgets( linebuf, LINESIZE, stdin );
		*( linebuf + strlen( linebuf ) -1 ) = 0;
		if( (found = strstr( p, linebuf )) ) {
			sscanf( found + strlen( linebuf ), "%i", &price );
			printf( "%s costs %d", linebuf, price );
		} else {
			printf( "No price for %s available\n", linebuf );
		}
		free( p ); free( linebuf );
	} else {
		printf( "Error: %d", errno );
	}
	return (0);
}