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STPCPY(3) Linux Programmer's Manual STPCPY(3)
NAME
stpcpy - copy a string returning a pointer to its end
SYNOPSIS
#include <string.h>
char *stpcpy(char *dest, const char *src);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
stpcpy():
Since glibc 2.10:
_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L
Before glibc 2.10:
_GNU_SOURCE
DESCRIPTION
The stpcpy() function copies the string pointed to by src (including the terminating null
byte ('\0')) to the array pointed to by dest. The strings may not overlap, and the desti‐
nation string dest must be large enough to receive the copy.
RETURN VALUE
stpcpy() returns a pointer to the end of the string dest (that is, the address of the ter‐
minating null byte) rather than the beginning.
ATTRIBUTES
Multithreading (see pthreads(7))
The stpcpy() function is thread-safe.
CONFORMING TO
This function was added to POSIX.1-2008. Before that, it was not part of the C or POSIX.1
standards, nor customary on UNIX systems. It first appeared at least as early as 1986, in
the Lattice C AmigaDOS compiler, then in the GNU fileutils and GNU textutils in 1989, and
in the GNU C library by 1992. It is also present on the BSDs.
BUGS
This function may overrun the buffer dest.
EXAMPLE
For example, this program uses stpcpy() to concatenate foo and bar to produce foobar,
which it then prints.
#define _GNU_SOURCE
#include <string.h>
#include <stdio.h>
int
main(void)
{
char buffer[20];
char *to = buffer;
to = stpcpy(to, "foo");
to = stpcpy(to, "bar");
printf("%s\n", buffer);
}
SEE ALSO
bcopy(3), memccpy(3), memcpy(3), memmove(3), stpncpy(3), strcpy(3), string(3), wcpcpy(3)
COLOPHON
This page is part of release 3.74 of the Linux man-pages project. A description of the
project, information about reporting bugs, and the latest version of this page, can be
found at http://www.kernel.org/doc/man-pages/.
GNU 2014-05-10 STPCPY(3)
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