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$XMCOPY
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.TH "INQUIRE STRUCTURE STATUS" 3P "29 February 1991"
.SH NAME
INQUIRE STRUCTURE STATUS \- inquire the status of a specified structure
.IX "Structures" "INQUIRE STRUCTURE STATUS"
.SH SYNOPSIS
.SS C Syntax
.ft B
.ta 1.25i 3i
.nf
void
pinq_struct_status ( struct_id, error_ind, status )
Pint	struct_id;	\fIstructure identifier\fP
Pint	*error_ind;	\fIOUT error indicator\fP
Pstruct_status	*struct;	\fIOUT existence status\fP
.fi
.ft R
.SS Required PHIGS Operating States
(PHOP, *, *, *)
.SH DESCRIPTION
.SS Purpose
Use \s-2INQUIRE STRUCTURE STATUS\s+2 to determine the existence status
of the specified structure (\s-2NON_EXISTENT\s+2, \s-2EMPTY\s+2,
or \s-2NOTEMPTY\s+2).
.SS C Input Parameters
.IP \fIstruct_id\fP
Identifier of the structure for which the status is to be returned.
.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 \fIstruct\fP
A pointer to a Pstruct_status enumerated variable in which the system returns the existence status of the specified structure.
Values for Pstruct_status are defined in phigs.h as follows:
.nf
.ta .5i
.sp
	PSTRUCT_STATUS_NON_EXISTENT
	PSTRUCT_STATUS_EMPTY
	PSTRUCT_STATUS_NOT_EMPTY
.fi
.SH ERRORS
.IP 002
Ignoring function, function requires state (\s-2PHOP, *, *, *\s+2)
.SH SEE ALSO
.nf
.IP
.ta 0.5i
.SM "DELETE STRUCTURE (3P)"
.SM "EMPTY STRUCTURE (3P)"
.SM "INQUIRE STRUCTURE IDENTIFIERS (3P)"
.fi