stpncpy man page on Archlinux

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STPNCPY(3)		   Linux Programmer's Manual		    STPNCPY(3)

       stpncpy - copy a fixed-size string, returning a pointer to its end

       #include <string.h>

       char *stpncpy(char *dest, const char *src, size_t n);

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

	   Since glibc 2.10:
	       _XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L
	   Before glibc 2.10:

       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.

       stpncpy() returns a pointer to the terminating null byte in  dest,  or,
       if dest is not null-terminated, dest+n.

   Multithreading (see pthreads(7))
       The stpncpy() function is thread-safe.

       This  function  was  added  to POSIX.1-2008.  Before that, it was a GNU

       strncpy(3), wcpncpy(3)

       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

GNU				  2014-01-13			    STPNCPY(3)

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