3 files changed, 92 insertions, 0 deletions
diff --git a/libc/include/msdos/errno.h b/libc/include/msdos/errno.h
new file mode 100644
index 0000000..39107eb
--- /dev/null
+++ b/libc/include/msdos/errno.h
@@ -0,0 +1,46 @@
+#ifndef __MSDOS_ERRNO_H
+#define __MSDOS_ERRNO_H
+
+#define	EPERM		 1	/* Operation not permitted */
+#define	ENOENT		 2	/* No such file or directory */
+#define	ESRCH		 3	/* No such process */
+#define	EINTR		 4	/* Interrupted system call */
+#define	EIO		 5	/* I/O error */
+#define	ENXIO		 6	/* No such device or address */
+#define	E2BIG		 7	/* Arg list too long */
+#define	ENOEXEC		 8	/* Exec format error */
+#define	EBADF		 9	/* Bad file number */
+#define	ECHILD		10	/* No child processes */
+#define	EAGAIN		11	/* Try again */
+#define	ENOMEM		12	/* Out of memory */
+#define	EACCES		13	/* Permission denied */
+#define	EFAULT		14	/* Bad address */
+#define	ENOTBLK		15	/* Block device required */
+#define	EBUSY		16	/* Device or resource busy */
+#define	EEXIST		17	/* File exists */
+#define	EXDEV		18	/* Cross-device link */
+#define	ENODEV		19	/* No such device */
+#define	ENOTDIR		20	/* Not a directory */
+#define	EISDIR		21	/* Is a directory */
+#define	EINVAL		22	/* Invalid argument */
+#define	ENFILE		23	/* File table overflow */
+#define	EMFILE		24	/* Too many open files */
+#define	ENOTTY		25	/* Not a typewriter */
+#define	ETXTBSY		26	/* Text file busy */
+#define	EFBIG		27	/* File too large */
+#define	ENOSPC		28	/* No space left on device */
+#define	ESPIPE		29	/* Illegal seek */
+#define	EROFS		30	/* Read-only file system */
+#define	EMLINK		31	/* Too many links */
+#define	EPIPE		32	/* Broken pipe */
+#define	EDOM		33	/* Math argument out of domain of func */
+#define	ERANGE		34	/* Math result not representable */
+#define	EDEADLK		35	/* Resource deadlock would occur */
+#define	ENAMETOOLONG	36	/* File name too long */
+#define	ENOLCK		37	/* No record locks available */
+#define	ENOSYS		38	/* Function not implemented */
+#define	ENOTEMPTY	39	/* Directory not empty */
+#define	ELOOP		40	/* Too many symbolic links encountered */
+#define	EWOULDBLOCK	EAGAIN	/* Operation would block */
+
+#endif
diff --git a/libc/include/msdos/fcntl.h b/libc/include/msdos/fcntl.h
new file mode 100644
index 0000000..8cf076c
--- /dev/null
+++ b/libc/include/msdos/fcntl.h
@@ -0,0 +1,24 @@
+#ifndef __MSDOS_FCNTL_H
+#define __MSDOS_FCNTL_H
+
+/* Definitions taken from the i386 Linux kernel. */
+
+#define O_ACCMODE	  0003
+#define O_RDONLY	    00
+#define O_WRONLY	    01
+#define O_RDWR		    02
+#define O_CREAT		  0100	/* not fcntl */
+#define O_EXCL		  0200	/* not fcntl */
+#define O_TRUNC		 01000	/* not fcntl */
+#define O_APPEND	 02000
+
+#define F_DUPFD		0	/* dup */
+#define F_GETFD		1	/* get f_flags */
+#define F_SETFD		2	/* set f_flags */
+#define F_GETFL		3	/* more flags (cloexec) */
+#define F_SETFL		4
+#define F_GETLK		5
+#define F_SETLK		6
+#define F_SETLKW	7
+
+#endif
diff --git a/libc/include/msdos/types.h b/libc/include/msdos/types.h
new file mode 100644
index 0000000..b6628bd
--- /dev/null
+++ b/libc/include/msdos/types.h
@@ -0,0 +1,22 @@
+
+/* arch/i86/include/asm/types.h - Basic Linux/MT data types. */
+
+#ifndef __MSDOS_TYPES
+#define __MSDOS_TYPES
+
+#include <asm/types.h>
+
+typedef __u32 off_t;
+typedef __u32 time_t;
+typedef __u16 mode_t;
+typedef __u32 loff_t;
+typedef __u32 speed_t;
+
+typedef __u32 tcflag_t;
+typedef __u8  cc_t;
+typedef __u16 size_t;
+
+typedef int   ptrdiff_t;
+
+#endif
+