array_catb - append bytes to an array

       array_catb  appends  the  bytes y[0], y[1], ..., y[len-1] to the array x.  It handles failure in the same
       way as array_cat.

       array_catb - append bytes to an 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_catb(3)

#include<libowfat/array.h>

       void array_catb(array* x,const char* y,int64 len);

         array x;
         const char* y;
         int64 len;
         array_catb(&x,y,len);