github.com/afumu/libc@v0.0.6/musl/src/string/wmemmove.c (about)

     1  #include <wchar.h>
     2  #include <stdint.h>
     3  
     4  wchar_t *wmemmove(wchar_t *d, const wchar_t *s, size_t n)
     5  {
     6  	wchar_t *d0 = d;
     7  	if (d == s) return d;
     8  	if ((uintptr_t)d-(uintptr_t)s < n * sizeof *d)
     9  		while (n--) d[n] = s[n];
    10  	else
    11  		while (n--) *d++ = *s++;
    12  	return d0;
    13  }