Chapter 4. High-Level Language Application Programming Interface

The Host Connection Program (HCON) emulates a 3278/79 display or a 3286/87 printer attached to a System/370 mainframe host. This chapter provides information for using the High-Level Language Application Programming Interface (HLLAPI) and HLLAPI functions to provide an interface to the Host Connection Program.

Topics discussed are:

Programming HLLAPI

Programming with HLLAPI

CONNECT PRESENTATION SPACE (1)

CONVERT POSITION or CONVERT ROWCOL (99)

COPY FIELD TO STRING (34)

COPY OIA (13)

COPY PRESENTATION SPACE (5)

COPY PRESENTATION SPACE TO STRING (8)

COPY STRING TO FIELD (33)

COPY STRING TO PRESENTATION SPACE (15)

DISCONNECT PRESENTATION SPACE (2)

FIND FIELD LENGTH (32)

FIND FIELD POSITION (31)

GET KEY (51)

PAUSE (18)

POST INTERCEPT STATUS (52)

QUERY CURSOR LOCATION (7)

QUERY FIELD ATTRIBUTE (14)

QUERY HOST UPDATE (24)

QUERY SESSIONS (10)

QUERY SESSION STATUS (22)

QUERY SYSTEM (20)

RECEIVE FILE (91)

RELEASE (12)

RESERVE (11)

RESET SYSTEM (21)

SEARCH FIELD (30)

SEARCH PRESENTATION SPACE (6)

SEND FILE (90)

SEND KEY (3)

SET CURSOR (40)

SET SESSION PARAMETERS (9)

START HOST NOTIFICATION (23)

START KEYSTROKE INTERCEPT (50)

STOP HOST NOTIFICATION (25)

STOP KEYSTROKE INTERCEPT (53)

WAIT (4)

Sample C HLLAPI Program