wmemmove man page
wmemmove — copy an array of wide-characters
#include <wchar.h> wchar_t *wmemmove(wchar_t *dest, const wchar_t *src, size_t n);
The wmemmove() function is the wide-character equivalent of the memmove(3) function. It copies n wide characters from the array starting at src to the array starting at dest. The arrays may overlap.
The programmer must ensure that there is room for at least n wide characters at dest.
wmemmove() returns dest.
For an explanation of the terms used in this section, see attributes(7).
POSIX.1-2001, POSIX.1-2008, C99.
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memmove(3), signal-safety(7), wmemcpy(3).