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#include <dirent.h>
The select argument is a pointer to a user supplied subroutine which is called by scandir() to select which entries are to be included in the array. The select routine is passed a pointer to a directory entry and should return a non-zero value if the directory entry is to be included in the array. If select is null, then all the directory entries will be included.
The compar argument is a pointer to a user supplied subroutine which is passed to qsort(3) to sort the completed array. If this pointer is null, the array is not sorted.
The alphasort() function is a routine which can be used for the compar argument to sort the array alphabetically using strcoll(3).
The memory allocated for the array can be deallocated with free(3), by freeing each pointer in the array and then the array itself.
The scandir_b() function behaves in the same way as scandir(), but takes blocks as arguments instead of function pointers and calls qsort_b() rather than qsort().
SCANDIR (3) | January 3, 2010 |
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