Host Connection Program Guide and Reference
4-54
QUERY SYSTEM (20)
Purpose
Determines the level of the HLLAPI and HCON support and other system-related values.
Prerequisite Calls
This function requires no prerequisite calls to other functions.
Syntax
hllc (func, apistring, len, ret)
int *func;
char *apistring;
int *len;
int *ret;
Supplied Parameters
Supply the following parameters to invoke the QUERY SYSTEM function:
func Specifies the number of the function called; must be a 20 for the QUERY
SYSTEM function.
apistring Specifies the attributes of the API string; must be a previously allocated
string of 35 bytes.
len Does not apply for this function; a length of 35 is implied.
ret Does not apply for this function.
Returned Parameters
apistring A data string of 35 bytes is returned. The bytes are defined as follows:
Position 1 HLLAPI version number = 1
Positions 2-3 HLLAPI level number = 04
Positions 4-9 043094
Positions 10-12
Reserved
Position 13 Hardware base, U = UNIX
Position 14 Control program type, X = AIX
Positions 15-16
Reserved
Positions 17-18
HCON version level as a 2-byte ASCII value (13)
Positions 19-35
Reserved
ret The following codes are valid:
0 Specifies that the QUERY SYSTEM function was
successful; a data string was returned.
9 Specifies that a system error occurred.
Remarks
The QUERY SYSTEM function determines the level of the HLLAPI and HCON support and
other system-related values. This function returns a data string that contains the appropriate
system data.
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