08-13-2002
We can have one possible solution. Create a structure whose member variables would be a character array and a File pointer/Descriptor. Whenever a file is opened successfully , copy the file name into the character array member variable of the structure.
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LEARN ABOUT OSX
bsearch_b
BSEARCH(3) BSD Library Functions Manual BSEARCH(3)
NAME
bsearch, bsearch_b -- binary search of a sorted table
SYNOPSIS
#include <stdlib.h>
void *
bsearch(const void *key, const void *base, size_t nel, size_t width, int (*compar) (const void *, const void *));
void *
bsearch_b(const void *key, const void *base, size_t nel, size_t width, int (^compar) (const void *, const void *));
DESCRIPTION
The bsearch() function searches an array of nel objects, the initial member of which is pointed to by base, for a member that matches the
object pointed to by key. The size (in bytes) of each member of the array is specified by width.
The contents of the array should be in ascending sorted order according to the comparison function referenced by compar. The compar routine
is expected to have two arguments which point to the key object and to an array member, in that order. It should return an integer which is
less than, equal to, or greater than zero if the key object is found, respectively, to be less than, to match, or be greater than the array
member.
The bsearch_b() function is like bsearch() except the callback compar is a block pointer instead of a function pointer.
RETURN VALUES
The bsearch() and bsearch_b() functions returns a pointer to a matching member of the array, or a null pointer if no match is found. If two
members compare as equal, which member is matched is unspecified.
SEE ALSO
db(3), lsearch(3), qsort(3)
STANDARDS
The bsearch() function conforms to ISO/IEC 9899:1990 (``ISO C90'').
BSD
May 20, 2008 BSD