/* Test system file name access */

#include <stdio.h>

main(argc,argv)
	int argc;
	char *argv[];
{
	char *fcb,*getfnx(),*getefcb(),*fn2a(),local[14];
	int i,u;

	if(argc < 2) {
		printf("Print or set system file name.\n  Syntax: %s n [filename]\n",fn2a(getefcb(),local));
		exit(0);
	}
	/* convert file number to int */
	sscanf(argv[1],"%d",&i);
	if(i<0 || i>4) {
		printf("Bad file number!\n");
		exit(-1);
	}
	if(argc == 2) {
		strncpy(local,getfnx(i),12);
	} else {
		fcb = 0x5c;
		zsetfcb(fcb,argv[2],&u);
		strncpy(local,fcb+1,12);
		setfnx(i,local);
	}
	printf("  System file %d is %s\n",i,local);
}