x SuSE Linux 13.1-RELEASE x
x SuSE Linux 13.1-RELEASEx
STPNCPY(3) Linux Programmer's Manual STPNCPY(3)
NAME
stpncpy - copy a fixed-size string, returning a pointer to its end
SYNOPSIS
#include <string.h>
char *stpncpy(char *dest, const char *src, size_t n);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
stpncpy():
Since glibc 2.10:
_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L
Before glibc 2.10:
_GNU_SOURCE
DESCRIPTION
The stpncpy() function copies at most n characters from the string
pointed to by src, including the terminating null byte ('\0'), to the
array pointed to by dest. Exactly n characters are written at dest.
If the length strlen(src) is smaller than n, the remaining characters
in the array pointed to by dest are filled with null bytes ('\0'), If
the length strlen(src) is greater than or equal to n, the string
pointed to by dest will not be null-terminated.
The strings may not overlap.
The programmer must ensure that there is room for at least n characters
at dest.
RETURN VALUE
stpncpy() returns a pointer to the terminating null byte in dest, or,
if dest is not null-terminated, dest+n.
ATTRIBUTES
Multithreading (see pthreads(7))
The stpncpy() function is thread-safe.
CONFORMING TO
This function was added to POSIX.1-2008. Before that, it was a GNU
extension. It first appeared in version 1.07 of the GNU C library in
1993.
SEE ALSO
strncpy(3), wcpncpy(3)
COLOPHON
This page is part of release 3.69 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 STPNCPY(3)
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