LSEARCH(3C)

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LSEARCH(3C)

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lsearch, lfind - ��

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	#include <stdio.h>
	#include <search.h>
	
	char *lsearch ((char *) key, (char *) base, nelp, sizeof (*key), compar)
	unsigned *nelp;
	int (*compar) ( );
	
	char *lfind ((char *) key, (char *) base, nelp, sizeof (*key), compar)
	unsigned *nelp;
	int (*compar) ( );

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�� lsearch �� , �� . ��: �� . �. 3. ��, ��. - �.: ��, 1978. �� 6.1, �� S.

�� lsearch �� . �� , �� . �� key �� , �� (�� ). Base �� . Nelp - �� , �� . �� , �� . Compar - �� , �� (��, �� strcmp). �� - �� . �� , �� , � ��, �� , � �� .

�� lfind �� , �� lsearch, �� , �� NULL.

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�� (key) � �� (base) �� "�� " � �� "�� ".

� ��, �� compar, �� , �� .

�� lsearch �� "�� ", �� "�� ".

�� �� , �� , �� TABSIZE, � ��, �� ELSIZE, � �� , �� .

	#include <stdio.h>
	#include <search.h>

	#define TABSIZE 50
	#define ELSIZE 120

	  char line [ELSIZE], tab [TABSIZE] [ELSIZE],
	       *lsearch ();
	  unsigned nel = 0;
	  int strcmp ();
	     ...
	  while (fdets (line, ELSIZE, stdin) != NULL &&
	         nel < TABSIZE)
	    (void) lsearch (line, (char*) tab, &nel,
	                       ELSIZE,strcmp);
	     ...

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bsearch(3C), hsearch(3C), string(3C), tsearch(3C).

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�� , �� , lsearch � lfind, �� . � �� lfind �� NULL, � �� lsearch �� , �� .