diff --git a/libc/include/sys/_sigdefs.h b/libc/include/sys/_sigdefs.h
index 6822c25..6b47a03 100644
--- a/libc/include/sys/_sigdefs.h
+++ b/libc/include/sys/_sigdefs.h
@@ -41,15 +41,45 @@
 __BIONIC_SIGDEF(ILL,4,"Illegal instruction")
 __BIONIC_SIGDEF(TRAP,5,"Trap")
 __BIONIC_SIGDEF(ABRT,6,"Aborted")
+#ifdef __mips__
+__BIONIC_SIGDEF(EMT,7,"EMT")
+#else
 __BIONIC_SIGDEF(BUS,7,"Bus error")
+#endif
 __BIONIC_SIGDEF(FPE,8,"Floating point exception")
 __BIONIC_SIGDEF(KILL,9,"Killed")
+#ifdef __mips__
+__BIONIC_SIGDEF(BUS,10,"Bus error")
+#else
 __BIONIC_SIGDEF(USR1,10,"User signal 1")
+#endif
 __BIONIC_SIGDEF(SEGV,11,"Segmentation fault")
+#ifdef __mips__
+__BIONIC_SIGDEF(SYS,12,"Bad system call")
+#else
 __BIONIC_SIGDEF(USR2,12,"User signal 2")
+#endif
 __BIONIC_SIGDEF(PIPE,13,"Broken pipe")
 __BIONIC_SIGDEF(ALRM,14,"Alarm clock")
 __BIONIC_SIGDEF(TERM,15,"Terminated")
+#ifdef __mips__
+__BIONIC_SIGDEF(USR1,16,"User signal 1")
+__BIONIC_SIGDEF(USR2,17,"User signal 2")
+__BIONIC_SIGDEF(CHLD,18,"Child exited")
+__BIONIC_SIGDEF(PWR,19,"Power failure")
+__BIONIC_SIGDEF(WINCH,20,"Window size changed")
+__BIONIC_SIGDEF(URG,21,"Urgent I/O condition")
+__BIONIC_SIGDEF(IO,22,"I/O possible")
+__BIONIC_SIGDEF(STOP,23,"Stopped (signal)")
+__BIONIC_SIGDEF(TSTP,24,"Stopped")
+__BIONIC_SIGDEF(CONT,25,"Continue")
+__BIONIC_SIGDEF(TTIN,26,"Stopped (tty input)")
+__BIONIC_SIGDEF(TTOU,27,"Stopped (tty output)")
+__BIONIC_SIGDEF(VTALRM,28,"Virtual timer expired")
+__BIONIC_SIGDEF(PROF,29,"Profiling timer expired")
+__BIONIC_SIGDEF(XCPU,30,"CPU time limit exceeded")
+__BIONIC_SIGDEF(XFSZ,31,"File size limit exceeded")
+#else
 __BIONIC_SIGDEF(STKFLT,16,"Stack fault")
 __BIONIC_SIGDEF(CHLD,17,"Child exited")
 __BIONIC_SIGDEF(CONT,18,"Continue")
@@ -66,5 +96,6 @@
 __BIONIC_SIGDEF(IO,29,"I/O possible")
 __BIONIC_SIGDEF(PWR,30,"Power failure")
 __BIONIC_SIGDEF(SYS,31,"Bad system call")
+#endif
 
 #undef __BIONIC_SIGDEF
diff --git a/libc/include/sys/ioctl_compat.h b/libc/include/sys/ioctl_compat.h
index cab5c80..d9ba4c7 100644
--- a/libc/include/sys/ioctl_compat.h
+++ b/libc/include/sys/ioctl_compat.h
@@ -42,6 +42,7 @@
 /*#include <sys/ttychars.h>*/
 /*#include <sys/ttydev.h>*/
 
+#if !defined(__mips__)
 struct tchars {
 	char	t_intrc;	/* interrupt */
 	char	t_quitc;	/* quit */
@@ -73,6 +74,7 @@
 	short	sg_flags;		/* mode flags */
 };
 #endif
+#endif
 
 #ifdef USE_OLD_TTY
 # undef  TIOCGETD
@@ -84,9 +86,11 @@
 # define OTIOCSETD	_IOW('t', 1, int)	/* set line discipline */
 #endif
 #define	TIOCHPCL	_IO('t', 2)		/* hang up on last close */
+#if !defined(__mips__)
 #define	TIOCGETP	_IOR('t', 8,struct sgttyb)/* get parameters -- gtty */
 #define	TIOCSETP	_IOW('t', 9,struct sgttyb)/* set parameters -- stty */
 #define	TIOCSETN	_IOW('t',10,struct sgttyb)/* as above, but no flushtty*/
+#endif
 #define	TIOCSETC	_IOW('t',17,struct tchars)/* set special characters */
 #define	TIOCGETC	_IOR('t',18,struct tchars)/* get special characters */
 #if 0
@@ -158,8 +162,10 @@
 #define		LPENDIN		(PENDIN>>16)
 #define		LDECCTQ		(DECCTQ>>16)
 #define		LNOFLSH		(NOFLSH>>16)
+#if !defined(__mips__)
 #define	TIOCSLTC	_IOW('t',117,struct ltchars)/* set local special chars*/
 #define	TIOCGLTC	_IOR('t',116,struct ltchars)/* get local special chars*/
+#endif
 #define OTIOCCONS	_IO('t', 98)	/* for hp300 -- sans int arg */
 #define	OTTYDISC	0
 #define	NETLDISC	1
diff --git a/libc/include/sys/socket.h b/libc/include/sys/socket.h
index 208663e..f6acee8 100644
--- a/libc/include/sys/socket.h
+++ b/libc/include/sys/socket.h
@@ -34,12 +34,22 @@
 
 __BEGIN_DECLS
 
+#ifdef __mips__
+#define SOCK_DGRAM      1
+#define SOCK_STREAM     2
+#define SOCK_RAW        3
+#define SOCK_RDM        4
+#define SOCK_SEQPACKET  5
+#define SOCK_DCCP       6
+#define SOCK_PACKET     10
+#else
 #define SOCK_STREAM      1
 #define SOCK_DGRAM       2
 #define SOCK_RAW         3
 #define SOCK_RDM         4
 #define SOCK_SEQPACKET   5
 #define SOCK_PACKET      10
+#endif
 
 #ifdef __i386__
 # define __socketcall extern __attribute__((__cdecl__))
diff --git a/libc/include/sys/stat.h b/libc/include/sys/stat.h
index 87fcfd0..bee648e 100644
--- a/libc/include/sys/stat.h
+++ b/libc/include/sys/stat.h
@@ -41,6 +41,39 @@
  * Note: The kernel zero's the padded region because glibc might read them
  * in the hope that the kernel has stretched to using larger sizes.
  */
+#ifdef __mips__
+struct stat {
+    unsigned long       st_dev;
+    unsigned long       __pad0[3];
+
+    unsigned long long  st_ino;
+
+    unsigned int        st_mode;
+    unsigned int        st_nlink;
+
+    unsigned long       st_uid;
+    unsigned long       st_gid;
+
+    unsigned long       st_rdev;
+    unsigned long       __pad1[3];
+
+    long long           st_size;
+
+    unsigned long       st_atime;
+    unsigned long       st_atime_nsec;
+
+    unsigned long       st_mtime;
+    unsigned long       st_mtime_nsec;
+
+    unsigned long       st_ctime;
+    unsigned long       st_ctime_nsec;
+
+    unsigned long       st_blksize;
+    unsigned long       __pad2;
+
+    unsigned long long  st_blocks;
+};
+#else
 struct stat {
     unsigned long long  st_dev;
     unsigned char       __pad0[4];
@@ -70,6 +103,7 @@
 
     unsigned long long  st_ino;
 };
+#endif
 
 /* For compatibility with GLibc, we provide macro aliases
  * for the non-Posix nano-seconds accessors.
diff --git a/libc/include/sys/vfs.h b/libc/include/sys/vfs.h
index 4adaf5f..d14944d 100644
--- a/libc/include/sys/vfs.h
+++ b/libc/include/sys/vfs.h
@@ -35,6 +35,22 @@
 __BEGIN_DECLS
 
 /* note: this corresponds to the kernel's statfs64 type */
+#ifdef __mips__
+struct statfs {
+    uint32_t        f_type;
+    uint32_t        f_bsize;
+    uint32_t        f_frsize;
+    uint32_t        __pad;
+    uint64_t        f_blocks;
+    uint64_t        f_bfree;
+    uint64_t        f_files;
+    uint64_t        f_ffree;
+    uint64_t        f_bavail;
+    __kernel_fsid_t f_fsid;
+    uint32_t        f_namelen;
+    uint32_t        f_spare[6];
+};
+#else
 struct statfs {
     uint32_t        f_type;
     uint32_t        f_bsize;
@@ -48,6 +64,7 @@
     uint32_t        f_frsize;
     uint32_t        f_spare[5];
 };
+#endif
 
 #define  ADFS_SUPER_MAGIC      0xadf5
 #define  AFFS_SUPER_MAGIC      0xADFF