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STPCPY

Linux Programmer's Manual (3)
2014-01-13
 

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 destination 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 terminating 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, but was not a GNU invention either. Perhaps it came from MS-DOS. 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 3.66 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/.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ATTRIBUTES
Multithreading (see pthreads(7))
CONFORMING TO
BUGS
EXAMPLE
SEE ALSO
COLOPHON

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Time: 21:43:03 GMT, July 12, 2014