1STPNCPY(3)                 Linux Programmer's Manual                STPNCPY(3)
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NAME

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

9       #include <string.h>
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11       char *stpncpy(char *dest, const char *src, size_t n);
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13   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
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15       stpncpy():
16           Since glibc 2.10:
17               _XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L
18           Before glibc 2.10:
19               _GNU_SOURCE
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DESCRIPTION

22       The  stpncpy()  function  copies  at  most n characters from the string
23       pointed to by src, including the terminating null byte ('\0'),  to  the
24       array  pointed  to  by dest.  Exactly n characters are written at dest.
25       If the length strlen(src) is smaller than n, the  remaining  characters
26       in  the  array pointed to by dest are filled with null bytes ('\0'), If
27       the length strlen(src) is greater or equal to n, the string pointed  to
28       by dest will not be null-terminated.
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30       The strings may not overlap.
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32       The programmer must ensure that there is room for at least n characters
33       at dest.
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RETURN VALUE

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

40       This  function  was  added  to POSIX.1-2008.  Before that, it was a GNU
41       extension.
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SEE ALSO

44       strncpy(3), wcpncpy(3)
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COLOPHON

47       This page is part of release 3.53 of the Linux  man-pages  project.   A
48       description  of  the project, and information about reporting bugs, can
49       be found at http://www.kernel.org/doc/man-pages/.
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53GNU                               2011-09-28                        STPNCPY(3)