GDDM V3R2 Base Application Programming Reference
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The request code table

GDDM V3R2 Base Application Programming Reference
SC33-0868-02
The Request Code Table is addressed from the address table described in "The address table" in topic 5.1. There is one entry in the table for each potential APL code in the range RCPALOW(n) through RCPAHIGH(n). The format of the request code table is:
 Table 7. APL request codes module - request code
          table
 Field name  Field offset  Field length
 RCPAAPLC(1)  0  8
   RCPAAPLN(1)    0    2
   RCPAAPLG(1)    2    6
 RCPAAPLC(2)  8  8
 .
 .
 . 		 .
 .
 . 		 .
 .
 .
 RCPAAPLC(m)  8(m-1)  8

RCPAPLN(i)
A two-byte integer containing the APL request code. A code of zero indicates that there is no GDDM function assigned to that code.
RCPAAPLG(i)
A six-byte character string containing the name of the GDDM call (for example "ASREAD") corresponding to the APL function code in RCPAPLN(i).

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