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#include <dirent.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int ls(const char * path)
{
DIR * dir;
if (NULL == (dir = opendir(path))) {
perror(path);
return 1;
}
struct dirent * entry;
while (NULL != (entry = readdir(dir)))
printf("%s\n", entry->d_name);
closedir(dir);
return 0;
}
int main(int argc, char * argv[])
{
int res = 0;
if (argc == 1)
res |= ls(".");
for (int i = 1; i < argc; ++i)
res |= ls(argv[i]);
return res;
}
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