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#include <sys/types.h>
#include <dirent.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
int main(int argc, char *argv[])
{
struct dirent *dirents;
DIR *dir;
int status;
int i;
for (i = 1; i < argc; i++) {
dir = opendir(argv[i]);
if (dir == NULL) {
perror("opendir(3)");
exit(EXIT_FAILURE);
}
errno = 0;
while ((dirents = readdir(dir)) != NULL) {
printf("%s %s\n",
dirents->d_type == DT_BLK ? "DT_BLK " :
dirents->d_type == DT_CHR ? "DT_CHR " :
dirents->d_type == DT_DIR ? "DT_DIR " :
dirents->d_type == DT_FIFO ? "DT_FIFO" :
dirents->d_type == DT_LNK ? "DT_LNK " :
dirents->d_type == DT_REG ? "DT_REG " :
dirents->d_type == DT_SOCK ? "DT_SOCK" :
"DT_UNKNOWN", dirents->d_name);
errno = 0;
}
if (errno != 0) {
perror("readdir(3)");
exit(EXIT_FAILURE);
}
status = closedir(dir);
if (status < 0) {
perror("closedir(3)");
exit(EXIT_FAILURE);
}
}
exit(EXIT_SUCCESS);
}
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