Add m-esr52 at 52.6.0

1 files changed, 364 insertions, 0 deletions

diff --git a/media/webrtc/signaling/src/sdp/sipcc/sdp_private.h b/media/webrtc/signaling/src/sdp/sipcc/sdp_private.h
new file mode 100644
index 000000000..a98f4b119
--- /dev/null
+++ b/media/webrtc/signaling/src/sdp/sipcc/sdp_private.h
@@ -0,0 +1,364 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef _SIPCC_SDP_PRIVATE_H_
+#define _SIPCC_SDP_PRIVATE_H_
+
+
+#include "sdp.h"
+
+extern const sdp_attrarray_t sdp_attr[];
+extern const sdp_namearray_t sdp_media[];
+extern const sdp_namearray_t sdp_nettype[];
+extern const sdp_namearray_t sdp_addrtype[];
+extern const sdp_namearray_t sdp_transport[];
+extern const sdp_namearray_t sdp_encrypt[];
+extern const sdp_namearray_t sdp_payload[];
+extern const sdp_namearray_t sdp_t38_rate[];
+extern const sdp_namearray_t sdp_t38_udpec[];
+extern const sdp_namearray_t sdp_qos_strength[];
+extern const sdp_namearray_t sdp_qos_direction[];
+extern const sdp_namearray_t sdp_qos_status_type[];
+extern const sdp_namearray_t sdp_curr_type[];
+extern const sdp_namearray_t sdp_des_type[];
+extern const sdp_namearray_t sdp_conf_type[];
+extern const sdp_namearray_t sdp_mediadir_role[];
+extern const sdp_namearray_t sdp_fmtp_codec_param[];
+extern const sdp_namearray_t sdp_fmtp_codec_param_val[];
+extern const sdp_namearray_t sdp_silencesupp_pref[];
+extern const sdp_namearray_t sdp_silencesupp_siduse[];
+extern const sdp_namearray_t sdp_srtp_context_crypto_suite[];
+extern const sdp_namearray_t sdp_bw_modifier_val[];
+extern const sdp_namearray_t sdp_group_attr_val[];
+extern const sdp_namearray_t sdp_src_filter_mode_val[];
+extern const sdp_namearray_t sdp_rtcp_unicast_mode_val[];
+extern const sdp_namearray_t sdp_rtcp_fb_type_val[];
+extern const sdp_namearray_t sdp_rtcp_fb_nack_type_val[];
+extern const sdp_namearray_t sdp_rtcp_fb_ack_type_val[];
+extern const sdp_namearray_t sdp_rtcp_fb_ccm_type_val[];
+extern const sdp_namearray_t sdp_setup_type_val[];
+extern const sdp_namearray_t sdp_connection_type_val[];
+
+
+extern const  sdp_srtp_crypto_suite_list sdp_srtp_crypto_suite_array[];
+/* Function Prototypes */
+
+/* sdp_access.c */
+extern sdp_mca_t *sdp_find_media_level(sdp_t *sdp_p, uint16_t level);
+extern sdp_bw_data_t* sdp_find_bw_line (sdp_t *sdp_ptr, uint16_t level, uint16_t inst_num);
+
+/* sdp_attr.c */
+extern sdp_result_e
+sdp_build_attr_fmtp_params (sdp_t *sdp_p, sdp_fmtp_t *attr_p, flex_string *fs);
+
+extern sdp_result_e sdp_parse_attribute(sdp_t *sdp_p, uint16_t level,
+                                        const char *ptr);
+extern sdp_result_e sdp_parse_attr_simple_string(sdp_t *sdp_p,
+                                     sdp_attr_t *attr_p, const char *ptr);
+extern sdp_result_e sdp_build_attr_simple_string(sdp_t *sdp_p,
+                                     sdp_attr_t *attr_p, flex_string *fs);
+extern sdp_result_e sdp_parse_attr_simple_u32(sdp_t *sdp_p,
+                                     sdp_attr_t *attr_p, const char *ptr);
+extern sdp_result_e sdp_build_attr_simple_u32(sdp_t *sdp_p,
+                                     sdp_attr_t *attr_p, flex_string *fs);
+extern sdp_result_e sdp_parse_attr_simple_bool(sdp_t *sdp_p,
+                                     sdp_attr_t *attr_p, const char *ptr);
+extern sdp_result_e sdp_build_attr_simple_bool(sdp_t *sdp_p,
+                                     sdp_attr_t *attr_p, flex_string *fs);
+extern sdp_result_e sdp_parse_attr_maxprate(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     const char *ptr);
+extern sdp_result_e sdp_parse_attr_fmtp(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     const char *ptr);
+extern sdp_result_e sdp_build_attr_fmtp(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     flex_string *fs);
+extern sdp_result_e sdp_parse_attr_sctpmap(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                           const char *ptr);
+extern sdp_result_e sdp_build_attr_sctpmap(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                           flex_string *fs);
+extern sdp_result_e sdp_parse_attr_msid(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                        const char *ptr);
+extern sdp_result_e sdp_build_attr_msid(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                        flex_string *fs);
+extern sdp_result_e sdp_parse_attr_msid_semantic(sdp_t *sdp_p,
+                                                 sdp_attr_t *attr_p,
+                                                 const char *ptr);
+extern sdp_result_e sdp_build_attr_msid_semantic(sdp_t *sdp_p,
+                                                 sdp_attr_t *attr_p,
+                                                 flex_string *fs);
+extern sdp_result_e sdp_parse_attr_ssrc(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                        const char *ptr);
+extern sdp_result_e sdp_build_attr_ssrc(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                        flex_string *fs);
+extern sdp_result_e sdp_parse_attr_direction(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     const char *ptr);
+extern sdp_result_e sdp_build_attr_direction(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     flex_string *fs);
+extern sdp_result_e sdp_parse_attr_qos(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     const char *ptr);
+extern sdp_result_e sdp_build_attr_qos(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     flex_string *fs);
+extern sdp_result_e sdp_parse_attr_curr(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     const char *ptr);
+extern sdp_result_e sdp_build_attr_curr (sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     flex_string *fs);
+extern sdp_result_e sdp_parse_attr_des(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     const char *ptr);
+extern sdp_result_e sdp_build_attr_des (sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     flex_string *fs);
+extern sdp_result_e sdp_parse_attr_conf(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     const char *ptr);
+extern sdp_result_e sdp_build_attr_conf (sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     flex_string *fs);
+extern sdp_result_e sdp_parse_attr_transport_map(sdp_t *sdp_p,
+                                     sdp_attr_t *attr_p, const char *ptr);
+extern sdp_result_e sdp_build_attr_transport_map(sdp_t *sdp_p,
+                                     sdp_attr_t *attr_p, flex_string *fs);
+extern sdp_result_e sdp_parse_attr_subnet(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     const char *ptr);
+extern sdp_result_e sdp_build_attr_subnet(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     flex_string *fs);
+extern sdp_result_e sdp_parse_attr_t38_ratemgmt(sdp_t *sdp_p,
+                                     sdp_attr_t *attr_p, const char *ptr);
+extern sdp_result_e sdp_build_attr_t38_ratemgmt(sdp_t *sdp_p,
+                                     sdp_attr_t *attr_p, flex_string *fs);
+extern sdp_result_e sdp_parse_attr_t38_udpec(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     const char *ptr);
+extern sdp_result_e sdp_build_attr_t38_udpec(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     flex_string *fs);
+extern sdp_result_e sdp_parse_attr_cap(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     const char *ptr);
+extern sdp_result_e sdp_build_attr_cap(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     flex_string *fs);
+extern sdp_result_e sdp_parse_attr_cpar(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     const char *ptr);
+extern sdp_result_e sdp_build_attr_cpar(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     flex_string *fs);
+extern sdp_result_e sdp_parse_attr_pc_codec(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     const char *ptr);
+extern sdp_result_e sdp_build_attr_pc_codec(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     flex_string *fs);
+extern sdp_result_e sdp_parse_attr_xcap(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                        const char *ptr);
+extern sdp_result_e sdp_build_attr_xcap(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                        flex_string *fs);
+extern sdp_result_e sdp_parse_attr_xcpar(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                         const char *ptr);
+extern sdp_result_e sdp_build_attr_xcpar(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                         flex_string *fs);
+extern sdp_result_e sdp_parse_attr_rtcp(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                        const char *ptr);
+extern sdp_result_e sdp_build_attr_rtcp(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                        flex_string *fs);
+extern sdp_result_e sdp_parse_attr_rtr(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     const char *ptr);
+extern sdp_result_e sdp_build_attr_rtr(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                     flex_string *fs);
+extern sdp_result_e sdp_parse_attr_comediadir(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                              const char *ptr);
+extern sdp_result_e sdp_build_attr_comediadir(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                                              flex_string *fs);
+extern sdp_result_e sdp_parse_attr_silencesupp(sdp_t *sdp_p,
+                                               sdp_attr_t *attr_p,
+                                               const char *ptr);
+extern sdp_result_e sdp_build_attr_silencesupp(sdp_t *sdp_p,
+                                               sdp_attr_t *attr_p,
+                                               flex_string *fs);
+extern sdp_result_e sdp_parse_attr_srtpcontext(sdp_t *sdp_p,
+                                               sdp_attr_t *attr_p,
+                                               const char *ptr);
+extern sdp_result_e sdp_build_attr_srtpcontext(sdp_t *sdp_p,
+                                               sdp_attr_t *attr_p,
+                                               flex_string *fs);
+extern sdp_result_e sdp_parse_attr_rtcp_fb(sdp_t *sdp_p,
+                                           sdp_attr_t *attr_p,
+                                           const char *ptr);
+extern sdp_result_e sdp_build_attr_rtcp_fb(sdp_t *sdp_p,
+                                           sdp_attr_t *attr_p,
+                                           flex_string *fs);
+extern sdp_result_e sdp_parse_attr_setup(sdp_t *sdp_p,
+                                         sdp_attr_t *attr_p,
+                                         const char *ptr);
+extern sdp_result_e sdp_build_attr_setup(sdp_t *sdp_p,
+                                         sdp_attr_t *attr_p,
+                                         flex_string *fs);
+extern sdp_result_e sdp_parse_attr_connection(sdp_t *sdp_p,
+                                              sdp_attr_t *attr_p,
+                                              const char *ptr);
+extern sdp_result_e sdp_build_attr_connection(sdp_t *sdp_p,
+                                              sdp_attr_t *attr_p,
+                                              flex_string *fs);
+extern sdp_result_e sdp_parse_attr_extmap(sdp_t *sdp_p,
+                                          sdp_attr_t *attr_p,
+                                          const char *ptr);
+extern sdp_result_e sdp_build_attr_extmap(sdp_t *sdp_p,
+                                          sdp_attr_t *attr_p,
+                                          flex_string *fs);
+extern sdp_result_e sdp_parse_attr_mptime(
+    sdp_t *sdp_p, sdp_attr_t *attr_p, const char *ptr);
+extern sdp_result_e sdp_build_attr_mptime(
+    sdp_t *sdp_p, sdp_attr_t *attr_p, flex_string *fs);
+extern sdp_result_e sdp_parse_attr_x_sidin(
+    sdp_t *sdp_p, sdp_attr_t *attr_p, const char *ptr);
+extern sdp_result_e sdp_build_attr_x_sidin(
+    sdp_t *sdp_p, sdp_attr_t *attr_p, flex_string *fs);
+
+extern sdp_result_e sdp_parse_attr_x_sidout(
+    sdp_t *sdp_p, sdp_attr_t *attr_p, const char *ptr);
+extern sdp_result_e sdp_build_attr_x_sidout(
+    sdp_t *sdp_p, sdp_attr_t *attr_p, flex_string *fs);
+
+extern sdp_result_e sdp_parse_attr_x_confid(
+    sdp_t *sdp_p, sdp_attr_t *attr_p, const char *ptr);
+extern sdp_result_e sdp_build_attr_x_confid(
+    sdp_t *sdp_p, sdp_attr_t *attr_p, flex_string *fs);
+
+extern sdp_result_e sdp_parse_attr_group(
+    sdp_t *sdp_p, sdp_attr_t *attr_p, const char *ptr);
+extern sdp_result_e sdp_build_attr_group(
+    sdp_t *sdp_p, sdp_attr_t *attr_p, flex_string *fs);
+
+extern sdp_result_e sdp_parse_attr_source_filter(
+    sdp_t *sdp_p, sdp_attr_t *attr_p, const char *ptr);
+extern sdp_result_e sdp_build_source_filter(
+    sdp_t *sdp_p, sdp_attr_t *attr_p, flex_string *fs);
+
+extern sdp_result_e sdp_parse_attr_rtcp_unicast(
+    sdp_t *sdp_p, sdp_attr_t *attr_p, const char *ptr);
+extern sdp_result_e sdp_build_attr_rtcp_unicast(
+    sdp_t *sdp_p, sdp_attr_t *attr_p, flex_string *fs);
+
+extern sdp_result_e sdp_build_attr_ice_attr (
+        sdp_t *sdp_p, sdp_attr_t *attr_p, flex_string *fs);
+extern sdp_result_e sdp_parse_attr_ice_attr (
+        sdp_t *sdp_p, sdp_attr_t *attr_p, const char *ptr);
+
+extern sdp_result_e sdp_build_attr_simple_flag (
+    sdp_t *sdp_p, sdp_attr_t *attr_p, flex_string *fs);
+extern sdp_result_e sdp_parse_attr_simple_flag (
+    sdp_t *sdp_p, sdp_attr_t *attr_p, const char *ptr);
+
+extern sdp_result_e sdp_parse_attr_complete_line (
+    sdp_t *sdp_p, sdp_attr_t *attr_p, const char *ptr);
+extern sdp_result_e sdp_parse_attr_long_line(sdp_t *sdp_p,
+                                     sdp_attr_t *attr_p, const char *ptr);
+extern sdp_result_e sdp_build_attr_long_line(sdp_t *sdp_p,
+                                     sdp_attr_t *attr_p, flex_string *fs);
+
+/* sdp_attr_access.c */
+extern void sdp_free_attr(sdp_attr_t *attr_p);
+extern sdp_result_e sdp_find_attr_list(sdp_t *sdp_p, uint16_t level, uint8_t cap_num,
+                                       sdp_attr_t **attr_p, char *fname);
+extern sdp_attr_t *sdp_find_attr(sdp_t *sdp_p, uint16_t level, uint8_t cap_num,
+                                 sdp_attr_e attr_type, uint16_t inst_num);
+extern sdp_attr_t *sdp_find_capability(sdp_t *sdp_p, uint16_t level, uint8_t cap_num);
+
+/* sdp_main.c */
+extern const char *sdp_get_attr_name(sdp_attr_e attr_type);
+extern const char *sdp_get_media_name(sdp_media_e media_type);
+extern const char *sdp_get_network_name(sdp_nettype_e network_type);
+extern const char *sdp_get_address_name(sdp_addrtype_e addr_type);
+extern const char *sdp_get_transport_name(sdp_transport_e transport_type);
+extern const char *sdp_get_encrypt_name(sdp_encrypt_type_e encrypt_type);
+extern const char *sdp_get_payload_name(sdp_payload_e payload);
+extern const char *sdp_get_t38_ratemgmt_name(sdp_t38_ratemgmt_e rate);
+extern const char *sdp_get_t38_udpec_name(sdp_t38_udpec_e udpec);
+extern const char *sdp_get_qos_strength_name(sdp_qos_strength_e strength);
+extern const char *sdp_get_qos_direction_name(sdp_qos_dir_e direction);
+extern const char *sdp_get_qos_status_type_name(sdp_qos_status_types_e status_type);
+extern const char *sdp_get_curr_type_name(sdp_curr_type_e curr_type);
+extern const char *sdp_get_des_type_name(sdp_des_type_e des_type);
+extern const char *sdp_get_conf_type_name(sdp_conf_type_e conf_type);
+extern const char *sdp_get_mediadir_role_name (sdp_mediadir_role_e role);
+extern const char *sdp_get_silencesupp_pref_name(sdp_silencesupp_pref_e pref);
+extern const char *sdp_get_silencesupp_siduse_name(sdp_silencesupp_siduse_e
+                                                   siduse);
+
+extern const char *sdp_get_group_attr_name(sdp_group_attr_e group_attr);
+extern const char *sdp_get_src_filter_mode_name(sdp_src_filter_mode_e type);
+extern const char *sdp_get_rtcp_unicast_mode_name(sdp_rtcp_unicast_mode_e type);
+
+/* sdp_tokens.c */
+extern sdp_result_e sdp_parse_version(sdp_t *sdp_p, uint16_t token,
+                                      const char *ptr);
+extern sdp_result_e sdp_build_version(sdp_t *sdp_p, uint16_t token, flex_string *fs);
+extern sdp_result_e sdp_parse_owner(sdp_t *sdp_p, uint16_t token,
+                                    const char *ptr);
+extern sdp_result_e sdp_build_owner(sdp_t *sdp_p, uint16_t token, flex_string *fs);
+extern sdp_result_e sdp_parse_sessname(sdp_t *sdp_p, uint16_t token,
+                                       const char *ptr);
+extern sdp_result_e sdp_build_sessname(sdp_t *sdp_p, uint16_t token, flex_string *fs);
+extern sdp_result_e sdp_parse_sessinfo(sdp_t *sdp_p, uint16_t token,
+                                       const char *ptr);
+extern sdp_result_e sdp_build_sessinfo(sdp_t *sdp_p, uint16_t token, flex_string *fs);
+extern sdp_result_e sdp_parse_uri(sdp_t *sdp_p, uint16_t token, const char *ptr);
+extern sdp_result_e sdp_build_uri(sdp_t *sdp_p, uint16_t token, flex_string *fs);
+extern sdp_result_e sdp_parse_email(sdp_t *sdp_p, uint16_t token, const char *ptr);
+extern sdp_result_e sdp_build_email(sdp_t *sdp_p, uint16_t token, flex_string *fs);
+extern sdp_result_e sdp_parse_phonenum(sdp_t *sdp_p, uint16_t token,
+                                       const char *ptr);
+extern sdp_result_e sdp_build_phonenum(sdp_t *sdp_p, uint16_t token, flex_string *fs);
+extern sdp_result_e sdp_parse_connection(sdp_t *sdp_p, uint16_t token,
+                                         const char *ptr);
+extern sdp_result_e sdp_build_connection(sdp_t *sdp_p, uint16_t token, flex_string *fs);
+extern sdp_result_e sdp_parse_bandwidth(sdp_t *sdp_p, uint16_t token,
+                                        const char *ptr);
+extern sdp_result_e sdp_build_bandwidth(sdp_t *sdp_p, uint16_t token, flex_string *fs);
+extern sdp_result_e sdp_parse_timespec(sdp_t *sdp_p, uint16_t token,
+                                       const char *ptr);
+extern sdp_result_e sdp_build_timespec(sdp_t *sdp_p, uint16_t token, flex_string *fs);
+extern sdp_result_e sdp_parse_repeat_time(sdp_t *sdp_p, uint16_t token,
+                                          const char *ptr);
+extern sdp_result_e sdp_build_repeat_time(sdp_t *sdp_p, uint16_t token, flex_string *fs);
+extern sdp_result_e sdp_parse_timezone_adj(sdp_t *sdp_p, uint16_t token,
+                                           const char *ptr);
+extern sdp_result_e sdp_build_timezone_adj(sdp_t *sdp_p, uint16_t token, flex_string *fs);
+extern sdp_result_e sdp_parse_encryption(sdp_t *sdp_p, uint16_t token,
+                                         const char *ptr);
+extern sdp_result_e sdp_build_encryption(sdp_t *sdp_p, uint16_t token, flex_string *fs);
+extern sdp_result_e sdp_parse_media(sdp_t *sdp_p, uint16_t token, const char *ptr);
+extern sdp_result_e sdp_build_media(sdp_t *sdp_p, uint16_t token, flex_string *fs);
+extern sdp_result_e sdp_parse_attribute(sdp_t *sdp_p, uint16_t token,
+                                        const char *ptr);
+extern sdp_result_e sdp_build_attribute(sdp_t *sdp_p, uint16_t token, flex_string *fs);
+
+extern void sdp_parse_payload_types(sdp_t *sdp_p, sdp_mca_t *mca_p,
+                                     const char *ptr);
+extern sdp_result_e sdp_parse_multiple_profile_payload_types(sdp_t *sdp_p,
+                                               sdp_mca_t *mca_p,
+                                               const char *ptr);
+extern sdp_result_e
+sdp_parse_attr_sdescriptions(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                             const char *ptr);
+
+extern sdp_result_e
+sdp_build_attr_sdescriptions(sdp_t *sdp_p, sdp_attr_t *attr_p,
+                             flex_string *fs);
+
+
+/* sdp_utils.c */
+extern sdp_mca_t *sdp_alloc_mca(uint32_t line);
+extern tinybool sdp_validate_maxprate(const char *string_parm);
+extern char *sdp_findchar(const char *ptr, char *char_list);
+extern const char *sdp_getnextstrtok(const char *str, char *tokenstr, unsigned tokenstr_len,
+                               const char *delim, sdp_result_e *result);
+extern uint32_t sdp_getnextnumtok(const char *str, const char **str_end,
+                             const char *delim, sdp_result_e *result);
+extern uint32_t sdp_getnextnumtok_or_null(const char *str, const char **str_end,
+                                     const char *delim, tinybool *null_ind,
+                                     sdp_result_e *result);
+extern tinybool sdp_getchoosetok(const char *str, const char **str_end,
+                                 const char *delim, sdp_result_e *result);
+
+extern
+tinybool verify_sdescriptions_mki(char *buf, char *mkiVal, uint16_t *mkiLen);
+
+extern
+tinybool verify_sdescriptions_lifetime(char *buf);
+
+/* sdp_services_xxx.c */
+extern void sdp_dump_buffer(char *_ptr, int _size_bytes);
+
+tinybool sdp_checkrange(sdp_t *sdp, char *num, ulong* lval);
+
+#endif /* _SDP_PRIVATE_H_ */