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- #include <stdio.h>
- #include <dirent.h>
- #include <stdlib.h>
- int select_files(const struct dirent *dirbuf)
- {
- if (dirbuf->d_name[0] == '.')
- return 0;
- else
- return 1;
- }
- int main(void)
- {
- struct dirent **array;
- struct dirent *dirbuf;
- int i, numdir;
- chdir("/");
- numdir = scandir(".", &array, select_files, NULL);
- printf("\nGot %d entries from scandir().\n", numdir);
- for (i = 0; i < numdir; ++i) {
- dirbuf = array[i];
- printf("[%d] %s\n", i, dirbuf->d_name);
- free(array[i]);
- }
- free(array);
- numdir = scandir(".", &array, select_files, alphasort);
- printf("\nGot %d entries from scandir() using alphasort().\n", numdir);
- for (i = 0; i < numdir; ++i) {
- dirbuf = array[i];
- printf("[%d] %s\n", i, dirbuf->d_name);
- }
- printf("\nCalling qsort()\n", numdir);
- qsort(array, numdir, sizeof(struct dirent *), alphasort);
- for (i = 0; i < numdir; ++i) {
- dirbuf = array[i];
- printf("[%d] %s\n", i, dirbuf->d_name);
- free(array[i]);
- }
- free(array);
- return(0);
- }
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