2 files changed, 32 insertions, 1 deletions
diff --git a/src/libc/include/sys/stat.h b/src/libc/include/sys/stat.h
index 08fcf9a..b5ef13d 100644
--- a/src/libc/include/sys/stat.h
+++ b/src/libc/include/sys/stat.h
@@ -22,6 +22,35 @@
 #include <sys/types.h>
 #include <time.h>
 
+#define S_IRWXU 0700
+#define S_IRUSR 0400
+#define S_IWUSR 0200
+#define S_IXUSR 0100
+#define S_IRWXG 070
+#define S_IRGRP 040
+#define S_IWGRP 020
+#define S_IXGRP 010
+#define S_IRWXO 07
+#define S_IROTH 04
+#define S_IWOTH 02
+#define S_IXOTH 1
+
+#define S_IFBLK ((mode_t)1)
+#define S_IFCHR ((mode_t)(1 << 1))
+#define S_IFIFO ((mode_t)(1 << 2))
+#define S_IFREG ((mode_t)(1 << 3))
+#define S_IFDIR ((mode_t)(1 << 4))
+#define S_IFLNK ((mode_t)(1 << 5))
+#define S_IFSOCK ((mode_t)(1 << 6))
+
+#define S_ISBLK(__m) ((__m) & S_IFBLK)
+#define S_ISCHR(__m) ((__m) & S_IFCHR)
+#define S_ISDIR(__m) ((__m) & S_IFDIR)
+#define S_ISFIFO(__m) ((__m) & S_IFIFO)
+#define S_ISREG(__m) ((__m) & S_IFREG)
+#define S_ISLNK(__m) ((__m) & S_IFLNK)
+#define S_ISSOCK(__m) ((__m) & S_IFSOCK)
+
 struct stat
 {
     dev_t st_dev;
@@ -37,6 +66,7 @@ struct stat
     blkcnt_t st_blocks;
 };
 
-int mkdir(const char *pathname, mode_t flags);
+int mkdir(const char *__pathname, mode_t __flags);
+mode_t umask(mode_t __mask);
 
 #endif
diff --git a/src/libc/include/sys/types.h b/src/libc/include/sys/types.h
index 86ca604..fc231f1 100644
--- a/src/libc/include/sys/types.h
+++ b/src/libc/include/sys/types.h
@@ -22,5 +22,6 @@
 typedef unsigned dev_t, mode_t, nlink_t, uid_t, gid_t, blksize_t, blkcnt_t;
 typedef unsigned long ino_t, off_t;
 typedef int pid_t;
+typedef long ssize_t;
 
 #endif