SAP ABAP Table ATPSY (ATP Server: System Data of Calling System) is used by

• Class (3)
• Function Module (7)
• Program (10)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Program	ATPGXSYS	Routines to Determine System Data	ATPG	APPL	SAP_APPL
2	Program	LATP0FE0	FORM EXCL_ENQ_ENTR_SET_AND_GET	ATPG	APPL	SAP_APPL
3	Program	LATP0FE1	FORM EXCL_ENQ_ENTR_SET	ATPG	APPL	SAP_APPL
4	Program	LATP0FS1	FORM SHAR_ENQ_ENTR_WRITE	ATPG	APPL	SAP_APPL
5	Program	LATP0FS2	FORM SHAR_ENQ_ENTR_GEN_PROPLIST	ATPG	APPL	SAP_APPL
6	Program	LATP0FS3	FORM SHAR_ENQ_ENTR_GEN_SINGLE.	ATPG	APPL	SAP_APPL
7	Program	LATP0FS4	FORM SHAR_ENQ_ENTR_GEN_RESULTS.	ATPG	APPL	SAP_APPL
8	Program	LATP0FS7	FORM SHAR_ENQ_ENTR_GEN_DB	ATPG	APPL	SAP_APPL
9	Program	LATPCFA4	FORM atp_server_call	ATPG	APPL	SAP_APPL
10	Program	LATPCFE1	FORM ENQ_ENTR_DELETE	ATPG	APPL	SAP_APPL