Make all bucket and overflow addresses unsigned

[unix-history] / usr / src / lib / libc / string / strcpy.3

.\" Copyright (c) 1990 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to Berkeley by
.\" Chris Torek.
.\"
.\" %sccs.include.redist.man%
.\"
.\"	@(#)strcpy.3	5.2 (Berkeley) %G%
.\"
.TH STRCPY 3 ""
.UC 4
.SH NAME
strcpy \- copy strings
.SH SYNOPSIS
.nf
.ft B
#include <string.h>

char *
strcpy(char *dst, const char *src);

char *
strncpy(char *dst, const char *src, size_t len);
.ft R
.fi
.SH DESCRIPTION
.B Strcpy
and
.B strncpy
copy string
.I src
to
.IR dst ,
stopping after the terminating '\e0' has been moved.
.PP
.B Strncpy
writes exactly
.I len
characters into
.IR dst ,
appending '\e0' characters if
.I src
is less than
.I len
characters long, and
.I not
terminating
.I dst
if
.I src
is more than
.I len
characters long.
.PP
.B Strcpy
and
.B strncpy
return
.IR dst .
.SH EXAMPLES
The following sets ``chararray'' to ``abc\e0\e0\e0'':
.sp
.ti +0.5i
(void)strncpy(chararray, "abc", 6).
.PP
The following sets ``chararray'' to ``abcdef'':
.sp
.RS
(void)strncpy(chararray, "abcdefgh", 6);
.RE
.SH SEE ALSO
bcopy(3), memccpy(3), memcpy(3), memmove(3)
.SH STANDARDS
.B Strcpy
and
.B strncpy
conform to ANSI X3.159-1989 (``ANSI C'').