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lsearch (3)
  • lsearch (3) ( Solaris man: Библиотечные вызовы )
  • lsearch (3) ( FreeBSD man: Библиотечные вызовы )
  • lsearch (3) ( Русские man: Библиотечные вызовы )
  • >> lsearch (3) ( Linux man: Библиотечные вызовы )
  • lsearch (3) ( POSIX man: Библиотечные вызовы )
  •  

    NAME

    lfind, lsearch - linear search of an array
     
    

    SYNOPSIS

    #include <search.h>
    
    void *lfind(const void *key, const void *base, size_t *nmemb,
             size_t size, int(*compar)(const void *, const void *));
    
    void *lsearch(const void *key, void *base, size_t *nmemb,
             size_t size, int(*compar)(const void *, const void *));
    
     

    DESCRIPTION

    lfind() and lsearch() perform a linear search for key in the array base which has *nmemb elements of size bytes each. The comparison function referenced by compar is expected to have two arguments which point to the key object and to an array member, in that order, and which returns zero if the key object matches the array member, and non-zero otherwise.

    If lsearch() does not find a matching element, then the key object is inserted at the end of the table, and *nmemb is incremented. In particular, one should know that a matching element exists, or that more room is available.  

    RETURN VALUE

    lfind() returns a pointer to a matching member of the array, or NULL if no match is found. lsearch() returns a pointer to a matching member of the array, or to the newly added member if no match is found.  

    CONFORMING TO

    SVr4, 4.3BSD, POSIX.1-2001. Present in libc since libc-4.6.27.  

    BUGS

    The naming is unfortunate.  

    SEE ALSO

    bsearch(3), hsearch(3), tsearch(3)  

    COLOPHON

    This page is part of release 3.14 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    CONFORMING TO
    BUGS
    SEE ALSO
    COLOPHON


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