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#include "ls.h"
int main(int argc, char **argv)
{
char *dirname;
DIR *dir;
struct dirent *dirent;
if (argc > 1) {
dirname = argv[1];
} else {
dirname = ".";
}
if (!(dir = opendir(dirname))) {
perror("opendir");
free(dir);
exit(EXIT_FAILURE);
}
while ((dirent = readdir(dir))) {
fprintf(stdout, "%s\n", dirent->d_name);
}
if (errno) {
perror("readdir");
free(dir);
free(dirent);
exit(EXIT_FAILURE);
}
free(dir);
free(dirent);
exit(EXIT_SUCCESS);
}
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