stpncpy man page on Archlinux

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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.

SEE ALSO
       strncpy(3), wcpncpy(3)

COLOPHON
       This page is part of release 3.65 of the Linux  man-pages  project.   A
       description  of	the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

GNU				  2014-01-13			    STPNCPY(3)
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