#include <stdio.h>
/*
 * FCPCMNT copies COUNT characters from stream FIN to FOUT,
 * returning the number of bytes copied or -1 on errors.
 * cc -c -O fcpcmnt.c
 * Written by Joe Pallas and Robert L. Kirby on September 18, 1980.
 */
int fcpcmnt(fin, fout, count)
int count;	/* an unsigned(?) integer */
FILE *fin, *fout;
{
	register char *p;
	register unsigned int numread; 
	register int total;
	char buf[BUFSIZ];

	p = buf;
	for(total = 0; numread = count - total; total += numread) {
		if((numread = fread(p, 1, numread, fin)) == 0)
			break;
		if(ferror(fin) || fwrite(p, 1, numread, fout) != numread)
			return(-1);
	}
	return(ferror(fin) ? -1 : total);
}