NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | USAGE | SEE ALSO | NOTES
/usr/ucb/cc [ flag ... ] file ... #include <sys/types.h> #include <sys/dir.h>
char *dirname; struct direct *(*namelist[]); int (*select(.),(*dcomp)();int scandir(dirname, namelist, select, dcomp);
struct direct **d1, **d2;int alphasort(d1, d2);
The scandir() function reads the directory dirname and builds an array of pointers to directory entries using malloc(3C) . The second parameter is a pointer to an array of structure pointers. The third parameter is a pointer to a routine which is called with a pointer to a directory entry and should return a non zero value if the directory entry should be included in the array. If this pointer is NULL , then all the directory entries will be included. The last argument is a pointer to a routine which is passed to qsort(3C) , which sorts the completed array. If this pointer is NULL , the array is not sorted.
The alphasort() function is a routine that sorts the array alphabetically.
The scandir() function returns the number of entries in the array and a pointer to the array through the parameter namelist . The scandir() function returns -1 if the directory cannot be opened for reading or if malloc(3C) cannot allocate enough memory to hold all the data structures.
The scandir() and alphasort() functions have transitional interfaces for 64-bit file offsets. See lf64(5) .
Use of these interfaces should be restricted to only applications written on BSD platforms. Use of these interfaces with any of the system libraries or in multi-thread applications is unsupported.
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | USAGE | SEE ALSO | NOTES