75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
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/*
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* double_chained_functions.h
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*
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* Created on: 14.11.2017
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* Author: lukas
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*/
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#ifndef DOUBLE_CHAINED_FUNCTIONS_H_
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#define DOUBLE_CHAINED_FUNCTIONS_H_
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typedef struct mydata
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{
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char sensorname[10];
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float messwert;
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} mydata;
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typedef struct messdaten
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{
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struct messdaten * next;
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struct messdaten * prev;
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struct mydata data;
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} messdaten;
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/* functon to insert the first element
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* in: firstelem; newelement
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* out: newelement
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* changed: firstelem
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*/
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messdaten* insertFirst (messdaten* firstelem, messdaten* newelement);
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/* functon to insert the last element
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* in: firstelem; newelement
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* out: newelement
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* changed: lastelement
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*/
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messdaten* insertLast (messdaten* firstelem, messdaten* newelement);
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/* functon to insert the element on a specific position
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* in: firstelem; newelement; position
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* out: newelement
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* changed: one more item in chained list...
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*/
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messdaten* insertPos (messdaten* firstelem, messdaten* newelement, int pos);
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/* functon to delete the first element
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* in: firstelem;
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* out: newelement
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* changed: firstelem
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*/
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messdaten*
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deleteFirst (messdaten* firstelem);
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/* functon to delete the last element
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* in: firstelem
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* out: newelement
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* changed: lastelement
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*/
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messdaten* deleteLast (messdaten* firstelem);
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/* functon to delete the element of a specific element
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* in: firstelem; newelement
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* out: newelement
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* changed: firstelem
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*/
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messdaten* deletePos (messdaten* firstelem, int pos);
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/* functon to delete all the list elements
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* in: firstelem
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* out: newelement
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* changed: the whole list
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*/
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messdaten* deleteAll (messdaten* firstelem);
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#endif /* DOUBLE_CHAINED_FUNCTIONS_H_ */
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