#include "stdio.h";

FILE * fstart(argc, argv)
int argc;
char *argv[];
{
FILE *f;

	if (argc < 2) {
		printf("%s \n", "Must give file name");
		return(NULL);
	}
	
	f = fopen(argv[1], "w");	/* Open file for writing */

	if (f == NULL) { 
		printf("%s \n", "Cannot open file");
		return(NULL);
	}

	return(f);
}


/* Figure 16.7: FSTART.C: to be linked with DOWNL1 through DOWNL3 */
