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Linux 2.6 - man page for stpncpy (linux section 3)

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 terminat- ing '\0' character, 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 '\0' characters. If the length strlen(src) is greater or equal to n, the string pointed to by dest will not be '\0' 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 in dest, or, if dest is not null-terminated, dest + n.
CONFORMING TO
This function is a GNU extension.
SEE ALSO
strncpy(3), wcpncpy(3), feature_test_macros(7)
COLOPHON
This page is part of release 3.27 of the Linux man-pages project. A description of the project, and informa- tion about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.
GNU
2010-09-15 STPNCPY(3)


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