ls.c

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
 
// Castor Only
#include <syscall.h>
#include <sys/syscall.h>
#include <sys/dirent.h>
 
int
main(int argc, const char *argv[])
{
    int fd;
    int status;
    uintptr_t offset = 0;
 
    if (argc != 2) {
        fputs("Requires an argument\n", stdout);
        return 1;
    }
 
    fd = OSOpen(argv[1], 0);
    if (fd < 0) {
        fputs("Cannot open directory\n", stdout);
        return 1;
    }
 
    while (1) {
        struct dirent de;
 
        status = OSReadDir(fd, (char *)&de, sizeof(de), &offset);
        if (status == 0) {
            break;
        }
        if (status < 0) {
            printf("OSReadDir Error: %x\n", -status);
            return 1;
        }
 
        printf("%s\n", de.d_name);
    }
 
    return 0;
}