--- /dev/null
+/*-
+ * Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef _CONSTR_SET_H_
+#define _CONSTR_SET_H_
+
+#include <asn_application.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+typedef struct asn_SET_specifics_s {
+ /*
+ * Target structure description.
+ */
+ unsigned struct_size; /* Size of the target structure. */
+ unsigned ctx_offset; /* Offset of the asn_struct_ctx_t member */
+ unsigned pres_offset; /* Offset of _presence_map member */
+
+ /*
+ * Tags to members mapping table (sorted).
+ * Sometimes suitable for DER encoding (untagged CHOICE is present);
+ * if so, tag2el_count will be greater than td->elements_count.
+ */
+ const asn_TYPE_tag2member_t *tag2el;
+ unsigned tag2el_count;
+
+ /*
+ * Tags to members mapping table, second edition.
+ * Suitable for CANONICAL-XER encoding.
+ */
+ const asn_TYPE_tag2member_t *tag2el_cxer;
+ unsigned tag2el_cxer_count;
+
+ /*
+ * Extensions-related stuff.
+ */
+ int extensible; /* Whether SET is extensible */
+ const unsigned int *_mandatory_elements; /* Bitmask of mandatory ones */
+} asn_SET_specifics_t;
+
+/*
+ * A set specialized functions dealing with the SET type.
+ */
+asn_struct_free_f SET_free;
+asn_struct_print_f SET_print;
+asn_struct_compare_f SET_compare;
+asn_constr_check_f SET_constraint;
+ber_type_decoder_f SET_decode_ber;
+der_type_encoder_f SET_encode_der;
+xer_type_decoder_f SET_decode_xer;
+xer_type_encoder_f SET_encode_xer;
+per_type_decoder_f SET_decode_uper;
+per_type_encoder_f SET_encode_uper;
+asn_random_fill_f SET_random_fill;
+extern asn_TYPE_operation_t asn_OP_SET;
+
+/***********************
+ * Some handy helpers. *
+ ***********************/
+
+/*
+ * Figure out whether the SET member indicated by PR_x has already been decoded.
+ * It is very simple bitfield test, despite its visual complexity.
+ */
+#define ASN_SET_ISPRESENT(set_ptr, PR_x) \
+ ASN_SET_ISPRESENT2(&((set_ptr)->_presence_map), PR_x)
+#define ASN_SET_ISPRESENT2(map_ptr, PR_x) \
+ (((unsigned int *)(map_ptr)) \
+ [(PR_x) / (8 * sizeof(unsigned int))] \
+ & (1u << ((8 * sizeof(unsigned int)) - 1 \
+ - ((PR_x) % (8 * sizeof(unsigned int))))))
+
+#define ASN_SET_MKPRESENT(map_ptr, PR_x) \
+ (((unsigned int *)(map_ptr)) \
+ [(PR_x) / (8 * sizeof(unsigned int))] \
+ |= (1u << ((8 * sizeof(unsigned int)) - 1 \
+ - ((PR_x) % (8 * sizeof(unsigned int))))))
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _CONSTR_SET_H_ */