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-rw-r--r--sys/qpoe/qpgetx.x26
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diff --git a/sys/qpoe/qpgetx.x b/sys/qpoe/qpgetx.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include <syserr.h>
+include "qpoe.h"
+
+# QP_GETX -- Return the complex value of the named header parameter. Type
+# conversion is not permitted between complex and the other datatypes.
+
+complex procedure qp_getx (qp, param)
+
+pointer qp #I QPOE descriptor
+char param[ARB] #I parameter name
+
+pointer pp
+int qp_getparam()
+errchk qp_getparam, syserrs
+
+begin
+ # Lookup the parameter and it's value.
+ if (qp_getparam (qp, param, pp) != TY_COMPLEX)
+ call syserrs (SYS_QPBADCONV, param)
+ else if (pp == NULL)
+ call syserrs (SYS_QPNOVAL, param)
+
+ return (Memx[pp])
+end