ANONSTCK_C is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "CCR: Character Container for Data Transfer of Stock" Information within sap ABAP programs. This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately. i.e. DATA: wa_ANONSTCK_C TYPE ANONSTCK_C.
The ANONSTCK_C table consists of various fields, each holding specific information or linking keys about CCR: Character Container for Data Transfer of Stock data available in SAP. These include EXT_MATNR (Material Number), EXT_LOCNO (Location), LOCTYPE (APO Location Type), STORAGELOC (Storage Location)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .