sized_strscpy
extern size_t sized_strscpy(char *, const char *, size_t);
#define strscpy(dst, src) sized_strscpy(dst, src, sizeof(dst))
extern ssize_t __real_strscpy(char *, const char *, size_t) __RENAME(sized_strscpy);
__FORTIFY_INLINE ssize_t sized_strscpy(char * const POS p, const char * const POS q, size_t size)
__wrote = sized_strscpy(__dst, __src, __count); \
ssize_t sized_strscpy(char *, const char *, size_t);
sized_strscpy(dst, src, sizeof(dst) + __must_be_array(dst) + \
sized_strscpy(dst, src, size + __must_be_cstr(dst) + __must_be_cstr(src))
EXPORT_SYMBOL(sized_strscpy);
sized_strscpy(dst, src, sizeof(dst))
sized_strscpy(dst, src, size)