/*
 *			c p y s t r . c
 */

/*)LIBRARY
*/

#ifdef	DOCUMENTATION

title	cpystr	String Copy
index		String copy

synopsis
	.s.nf
	char *
	cpystr(out, in);
	char		*out;
	char		*in;
	.s.f
Description

	Copy "in" to "out".  Return a pointer to the end of out.
	This allows the following usage:

	    char	*ptr;
	    char	buffer[BUFSIZ];
	    extern char	*cpystr();
	    ...
	    ptr = cpystr(buffer, text);
	    ptr = cpystr(ptr, more_text);

	The above sequence appends more_text to the copy of text
	already moved into the buffer.

Bugs

	cpystr is not present on other C libraries.

#endif

#define	EOS	0

char *
cpystr(out, in)
register char	*out;
register char	*in;
/*
 * Copy in to out, return &out[strlen(in)]
 */
{
	while ((*out++ = *in++) != EOS)
	    ;
	return (out - 1);
}