/usr/share/puredata/doc/5.reference/pointer-help.pd is in puredata-core 0.46.7-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | #N struct template2 float x float y;
#N struct template1 float x float y float z;
#N canvas 459 64 698 764 12;
#X text 19 635 see also:;
#X obj 21 10 pointer;
#X text 95 10 -- remember the location of a scalar in a list;
#N canvas 164 72 425 146 help-pointer-template1 0;
#X obj 18 81 filledpolygon z 0 1 0 0 20 0 20 30 0 30;
#X obj 60 21 struct template1 float x float y float z;
#X restore 326 449 pd help-pointer-template1;
#N canvas 26 456 510 145 help-pointer-template2 0;
#X obj 52 78 filledcurve 909 0 0 0 0 30 30 60 0 30 -30 0 0;
#X obj 60 21 struct template2 float x float y;
#X restore 326 472 pd help-pointer-template2;
#X obj 22 655 get;
#X obj 55 655 set;
#X obj 90 655 append;
#X obj 151 655 getsize;
#X obj 219 656 setsize;
#X obj 289 656 element;
#N canvas 2 52 312 185 help-pointer-data 1;
#X scalar template2 20 97 \;;
#X scalar template1 80 17 90 \;;
#X scalar template1 120 117 9 \;;
#X restore 326 427 pd help-pointer-data;
#X obj 53 423 pointer;
#X msg 54 231 traverse pd-help-pointer-data;
#X msg 67 255 bang;
#X msg 69 281 next;
#X obj 53 448 print out1;
#X obj 166 434 print out2;
#X text 15 489 Optional arguments to pointer allow you to select according
to the class of the scalar being output:;
#X msg 73 550 next;
#X msg 59 527 traverse pd-help-pointer-data;
#X obj 59 578 pointer help-pointer-template1 help-pointer-template2
;
#X obj 59 604 print template1;
#X obj 197 604 print template2;
#X obj 337 604 print other;
#X obj 440 604 print bangout;
#X text 333 232 sets to the "head" of the list;
#X text 29 34 "Pointer" is a storage object like "float" \, except
that the thing stored is the location of a scalar somewhere. You can
send a pointer a value (perhaps from another "pointer" object). The
right inlet takes pointers and simply stores them. A bang in the left
outputs the pointer \, and a pointer in the left both sets and outputs
the value.;
#X text 29 132 The value of a pointer can either indicate a real scalar
\, or else the "head" (before the first element) of the list. This
allows you to point to an empty list \, and also \, to "append" a scalar
to the beginning of the list.;
#X text 29 191 Pointers are "safe": if you delete a scalar pointers
to it are marked invalid.;
#X text 165 454 bang at end;
#X text 166 470 of list;
#X text 52 468 output;
#X obj 354 656 struct;
#X msg 71 313 vnext 1;
#X text 453 665 updated for Pd version 0.45;
#X msg 71 377 send pointer-help;
#X text 109 256 output current value;
#X text 119 274 move forward one item and output pointer \; if we reach
the end \, a "bang" goes to out2.;
#X text 219 376 send pointer to a named object ->;
#X obj 496 379 r pointer-help;
#X obj 496 404 print pointer-help;
#X text 149 314 output the next object (if arg is 0) or the next selected
object (if arg is 1 -- but the window must be visible for the "selection"
to make sense).;
#X connect 12 0 16 0;
#X connect 12 1 17 0;
#X connect 13 0 12 0;
#X connect 14 0 12 0;
#X connect 15 0 12 0;
#X connect 19 0 21 0;
#X connect 20 0 21 0;
#X connect 21 0 22 0;
#X connect 21 1 23 0;
#X connect 21 2 24 0;
#X connect 21 3 25 0;
#X connect 34 0 12 0;
#X connect 36 0 12 0;
#X connect 40 0 41 0;
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