ADD file via upload

myls.c

@@ -0,0 +1,46 @@
+#define __LIBRARY__
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <stdarg.h>
+#define O_RDONLY 00
+struct linux_dirent {
+    long           d_ino;
+    off_t          d_off;
+    unsigned short d_reclen;
+    char           d_name[1024];
+};
+char buf[512];
+_syscall3(int,getdents, int,fd,struct linux_dirent *,dirp,unsigned long,len)
+_syscall3(int ,open,const char *,filename,int, flag,int, mode)
+_syscall1(int,close,int,fildes)
+_syscall3(int,write,int ,fd,const char *, buf, off_t ,count)
+#define MAX_NUMBER_BYTES 1024
+#define MSG_LEN 256
+
+
+int printf(const char *fmt,...)
+{
+	write(2,fmt,strlen(fmt));
+}
+void test_getdents(void){
+    int fd, nread, bpos;
+    struct linux_dirent *dirp, *tmp;
+    dirp = (struct linux_dirent *)buf;
+    fd = open(".", O_RDONLY,0);
+	nread = getdents(fd, dirp, 512);
+	for(bpos = 0; bpos < nread;){
+	    tmp = (struct linux_dirent *)(buf + bpos);
+	    printf( tmp->d_name);
+	    bpos += tmp->d_reclen;
+	}
+    close(fd);
+}
+
+int main(int argc, char *argv[]){
+    test_getdents();
+    return 0;
+}