4 files changed, 71 insertions, 2 deletions
diff --git a/src/user/lib/include/sys/param.h b/src/user/lib/include/sys/param.h
new file mode 100644
index 0000000..e6c9d6f
--- /dev/null
+++ b/src/user/lib/include/sys/param.h
@@ -0,0 +1,2 @@
+#define MIN(a, b) ((a)<(b) ? (a):(b))
+#define MAX(a, b) ((a)<(b) ? (b):(a))
diff --git a/src/user/lib/include/sys/stat.h b/src/user/lib/include/sys/stat.h
index 5776f1e..9b9523c 100644
--- a/src/user/lib/include/sys/stat.h
+++ b/src/user/lib/include/sys/stat.h
@@ -1,14 +1,69 @@
 #pragma once
+#include <sys/stat.h>
 #include <sys/types.h>
+#include <time.h> // struct timespec
 #include <errno.h> // only for ENOSYS
 
-#define S_ISFIFO(x) 0
+struct stat {
+	dev_t st_dev;
+	ino_t st_ino;
+	mode_t st_mode;
+	nlink_t st_nlink;
+	uid_t st_uid;
+	gid_t st_gid;
+	dev_t st_rdev;
+	off_t st_size;
+	blksize_t st_blksize;
+	blkcnt_t st_blocks;
+
+	struct timespec st_atim;
+	struct timespec st_mtim;
+	struct timespec st_ctim;
+
+#define st_atime st_atim.tv_sec
+#define st_mtime st_mtim.tv_sec
+#define st_ctime st_ctim.tv_sec
+};
+
+#define S_IFMT  0170000
+#define S_IFSOCK 0140000
+#define S_IFLNK 0120000
+#define S_IFREG 0100000
+#define S_IFBLK 0060000
+#define S_IFDIR 0040000
+#define S_IFCHR 0020000
+#define S_IFIFO 0010000
+
+/* inode(7) */
+#define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
+#define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
+#define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
+#define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
+#define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
+#define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
+#define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
 
-struct stat {};
 static inline int fstat(int fd, struct stat *sb) {
 	(void)fd; (void)sb;
 	errno = ENOSYS;
 	return -1;
 }
 
+static inline int lstat(const char *restrict path, struct stat *restrict sb) {
+	(void)path; (void)sb;
+	errno = ENOSYS;
+	return -1;
+}
+
 int mkdir(const char *path, mode_t mode);
+static inline int chmod(const char *path, mode_t mode) {
+	(void)path; (void)mode;
+	errno = ENOSYS;
+	return -1;
+}
+
+static inline int mknod(const char *path, mode_t mode, dev_t dev) {
+	(void)path; (void)mode; (void)dev;
+	errno = ENOSYS;
+	return -1;
+}
diff --git a/src/user/lib/include/sys/sysmacros.h b/src/user/lib/include/sys/sysmacros.h
new file mode 100644
index 0000000..30e0efd
--- /dev/null
+++ b/src/user/lib/include/sys/sysmacros.h
@@ -0,0 +1,3 @@
+#define makedev(maj, min) 0
+#define major(x) 0
+#define minor(x) 0
diff --git a/src/user/lib/include/sys/types.h b/src/user/lib/include/sys/types.h
index 9f6f8f8..3b04988 100644
--- a/src/user/lib/include/sys/types.h
+++ b/src/user/lib/include/sys/types.h
@@ -6,3 +6,12 @@ typedef long long off_t;
 typedef int64_t time_t;
 typedef uint64_t clock_t;
 typedef int mode_t;
+
+typedef int dev_t;
+typedef int ino_t;
+typedef int mode_t;
+typedef int nlink_t;
+typedef int uid_t;
+typedef int gid_t;
+typedef int blksize_t;
+typedef int blkcnt_t;