HP R4.2 - Manual (Page 578)

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Summary of Commands mkheader
UCS 1000 R4.2 Administration 585-313-507 Issue 3 April 2000 539
In this second example, the command line includes a data file from which the
system gets the information usually entered by the users in response to
system prompts.
The data file, called “data” in this example, contains the following information:
char name 20
int answer
short reply
^D
/att/include/shmemtab.h
^D
/att/msgipc/cdata.h
Day_pntr cdata
^D
The following appears on the screen:
Conversant% mkheader test6 < data
Type in the variables you need space for according to the following format:
type name [length]
Example 1: int yn
Example 2: char dg 20
(End input with CTRL-D)