/* UNTESTED *** UNTESTED *** UNTESTED *** UNTESTED *** UNTESTED *** UNTESTED *//*      Data of this type were unavailable when this process was written     *//*===========================================================================*//* SEED reader     |               parse_type55               |  station header *//*===========================================================================*//*	Name:		parse_type55	Purpose:	parse a response (list) (type 55) blockette into a 				globally-available table	Usage:		void parse_type55 ();				char *blockette;				parse_type55 (blockette);	Input:		blockette = pointer to beginning of blockette	Output:		none	Externals:	temp_char				type55_head - 1st entry in table; defined in structures.h,					allocated in globals.h	Warnings:	none	Errors:		none	Called by:	process_stationh	Calls to:	parse_int - get an integer from a blockette 				parse_double - get a double from a blockette 	Algorithm:	parse the blockette into a globally-available table	Notes:		none	Problems:	none known	References:	Halbert et al, 1988; see main routine	Language:	C, hopefully ANSI standard	Author:		Dennis O'Neill	Revisions:	07/15/88  Dennis O'Neill  Initial preliminary release 0.9				11/21/88  Dennis O'Neill  Production release 1.0				08/19/89  Dennis O'Neill  streamlined linked list construction				05/11/94  CL			  took out the malloc if bytes==0*/#include "rdseed.h"void parse_type55 (blockette)char *blockette;								/* ptr to start of blockette */{	char *blockette_ptr;						/* ptr to inside blockette */	struct type55 *type55; 							/* genl member of table */	int i;										/* counter */	struct response *response;					/* channel response ptr */	/* point to beginning of information, past type and length */	blockette_ptr = blockette;	blockette_ptr += 7;/*                 +=======================================+                 *//*=================|  allocate space and initialize a type55  |=================*//*                 +=======================================+                 */	type55 = (struct type55 *) alloc_linklist_element (sizeof (struct type55),		"parse_type55");	/*                 +=======================================+                 *//*=================|   recover information from the type55    |=================*//*                 +=======================================+                 */	/* recover cascade sequence number */	type55->stage = parse_int (&blockette_ptr, 2);	/* recover response in units */	type55->input_units_code = parse_int (&blockette_ptr, 3);	/* recover response out units */	type55->output_units_code = parse_int (&blockette_ptr, 3);	/* recover number of numerators */	type55->number_responses = parse_int (&blockette_ptr, 4);	/* allocate space for responses */	if (type55->number_responses != 0)		type55->response = (struct type55sub *) alloc_linklist_element		(sizeof (struct type55sub) * type55->number_responses, "parse_type55->response");	/* recover responses */	for (i = 0; i < type55->number_responses; i++)	{		type55->response[i].frequency = parse_double (&blockette_ptr, 12);		type55->response[i].amplitude = parse_double (&blockette_ptr, 12);		type55->response[i].amplitude_error = parse_double (&blockette_ptr, 12);		type55->response[i].phase = parse_double (&blockette_ptr, 12);		type55->response[i].phase_error = parse_double (&blockette_ptr, 12);	}/*                 +=======================================+                 *//*=================|    link the type55 into the type55 table    |=================*//*                 +=======================================+                 */	/* initialize the pointer to the next record as end-of-list marker */	type55->next = NULL;	response = get_response ('L');	response->ptr.type55 = type55;}