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.TH "INQUIRE PHIGS FACILITIES" 3P "26 July 1991"
.SH NAME
INQUIRE PHIGS FACILITIES\- inquire the current list of \s-2PHIGS\s+2 facilities defined in the \s-2PHIGS\s+2 description table
.SH SYNOPSIS
.SS C Syntax
.ft B
.ta 1.25i 3i
.nf
void
pinq_phigs_facs ( length, start, error_ind, open_ws, open_ar, num_names, char_sets, length_list, norm_filt, inv_filt )
Pint	length;	\fIlength of application list\fP
Pint	start;	\fIstarting position\fP
Pint	*error_ind;	\fIOUT error indicator\fP
Pint	*open_ws;	\fIOUT max. num. simultaneously open ws\fP
Pint	*open_ar;	\fIOUT max. num. simultaneously open archive files\fP
Pint	*num_names;	\fIOUT number of available names for name sets\fP      
Pint_list	*char_sets;	\fIOUT list of character sets\fP
Pint	*length_list;	\fIOUT length of list in PHIGS\fP
Pint	*norm_filt;	\fIOUT maximum length of norm filter list for ISS\fP
Pint	*inv_filt;	\fIOUT maximum length of inverted filter list for ISS\fP
.fi
.ft R
.SS Required PHIGS Operating States
(PHOP, *, *, *)
.SH DESCRIPTION
.SS Purpose
Use \s-2INQUIRE PHIGS FACILITIES\s+2 to obtain a list of the available
\s-2PHIGS\s+2 facilities from the \s-2PHIGS\s+2 description table.
.SS C Input Parameters
.IP \fIlength\fP
The number of list elements for which the application has allocated memory
in the output parameter \fIchar_sets\fR\(->\fIints\fP.
0 may be specified, in order to have \fIlength_list\fP
return the total number of elements in the list of character sets.
.IP \fIstart\fP
The starting position in the list at which the inquiry is to begin.
.SS C Output Parameters
.IP \fIerror_ind\fP
A pointer to the location to store the error number of any error
detected by this function.
.IP \fIopen_ws\fP
A pointer to an integer that returns the
\fImaximum number of simultaneously open workstations\fP supported.
.IP \fIopen_ar\fP
A pointer to an integer that returns the
\fImaximum number of simultaneously open archive files\fP supported.
.IP \fInum_names\fP
A pointer to an integer that returns the number of available names for name sets.
.IP \fIchar_sets\fP
A pointer to a data structure that returns a portion
of the list of available character sets, starting with
the \fIstart\fP number item.
Pint_list is defined in phigs.h as follows:
.nf
.ta .5i +\w'Pint	'u +\w'num_ints;		'u
.sp .3
typedef struct {
.sp .2
	Pint	 num_ints;	/* number of Pints in list */
	Pint	*ints;	/* list of integers */
.sp .2
} Pint_list;
.fi
.IP
Prior to calling this function, the \fIints\fR field of the Pint_list
structure must contain a pointer to an application supplied buffer.
This buffer must be at least as large as the \fIlength\fR parameter.
.IP \fIlength_list\fP
A pointer to an integer that returns the length of the list in \s-2PHIGS\s+2.
.IP \fInorm_filt\fP
A pointer to an integer that returns the
maximum length of the norm filter list for Incremental Spatial Search.
.IP \fIinv_filt\fP
A pointer to an integer that returns the
maximum length of the inverted filter list for Incremental Spatial Search.
.SH ERRORS
.IP 002
Ignoring function, function requires state (\s-2PHOP\s+2, *, *, *)
.SH SEE ALSO
.nf
.IP
.ta 0.5i
.SM "PHIGS DESCRIPTION TABLE (7P)"
.fi