array_cate - append subset of one array to another array

       array_cate  is  like  array_cat,  but  uses only byte positions pos through stop-1 in y.  It fails if pos
       negative, or if stop is smaller than pos, or if the number of initialized bytes  in  y  is  smaller  than
       stop.

       array_cate - append subset of one array to another array

array_allocate(3),    array_get(3),    array_fail(3),    array_reset(3),   array_cat(3),   array_cats(3),
       array_cats0(3), array_cate(3)

                                                                                                   array_cate(3)

#include<libowfat/array.h>

       void array_cate(array* x,array* y, int64 pos,int64 stop);

         array x;
         array y;
         int64 pos;
         int64 stop;
         array_cate(&x,y,pos,stop);