diff --git a/Makefile b/Makefile
index 1ba43f1ba..3cabc7afa 100644
--- a/Makefile
+++ b/Makefile
@@ -86,7 +86,7 @@ STRIPTOOL = $(CROSS)strip
 
 # To compile vs uClibc, just use the compiler wrapper built by uClibc...
 # Everything should compile and work as expected these days...
-#CC = ../uClibc/extra/gcc-uClibc/i386-uclibc-gcc
+#CC = /usr/i386-linux-uclibc/usr/bin/i386-uclibc-gcc
 
 # To compile vs some other alternative libc, you may need to use/adjust
 # the following lines to meet your needs...
@@ -110,8 +110,7 @@ STRIPTOOL = $(CROSS)strip
 OPTIMIZATION := $(shell if $(CC) -Os -S -o /dev/null -xc /dev/null >/dev/null 2>&1; \
     then echo "-Os"; else echo "-O2" ; fi)
 
-WARNINGS = -Wall -Wshadow
-
+WARNINGS=-Wall -Wstrict-prototypes -Wshadow
 ARFLAGS = -r
 
 #
diff --git a/archival/gzip.c b/archival/gzip.c
index 53646df7c..5c86c1070 100644
--- a/archival/gzip.c
+++ b/archival/gzip.c
@@ -354,7 +354,7 @@ static void clear_bufs(void)
 	bytes_in = 0L;
 }
 
-static void write_error_msg()
+static void write_error_msg(void)
 {
 	fprintf(stderr, "\n");
 	perror("");
diff --git a/archival/libunarchive/decompress_unzip.c b/archival/libunarchive/decompress_unzip.c
index ee746216d..bb32891be 100644
--- a/archival/libunarchive/decompress_unzip.c
+++ b/archival/libunarchive/decompress_unzip.c
@@ -115,13 +115,13 @@ static const unsigned short mask_bits[] = {
  * Signal and error handler.
  */
  
-static void abort_gzip()
+static void abort_gzip(void)
 {
 	error_msg("gzip aborted\n");
 	exit(ERROR);
 }
 
-static void make_crc_table()
+static void make_crc_table(void)
 {
 	unsigned long table_entry;      /* crc shift register */
 	unsigned long poly = 0;      /* polynomial exclusive-or pattern */
@@ -853,7 +853,7 @@ static int inflate_block(int *e)
  *
  * GLOBAL VARIABLES: outcnt, bk, bb, hufts, inptr
  */
-static int inflate()
+static int inflate(void)
 {
 	int e;				/* last block flag */
 	int r;				/* result code */
diff --git a/archival/libunarchive/unzip.c b/archival/libunarchive/unzip.c
index ee746216d..bb32891be 100644
--- a/archival/libunarchive/unzip.c
+++ b/archival/libunarchive/unzip.c
@@ -115,13 +115,13 @@ static const unsigned short mask_bits[] = {
  * Signal and error handler.
  */
  
-static void abort_gzip()
+static void abort_gzip(void)
 {
 	error_msg("gzip aborted\n");
 	exit(ERROR);
 }
 
-static void make_crc_table()
+static void make_crc_table(void)
 {
 	unsigned long table_entry;      /* crc shift register */
 	unsigned long poly = 0;      /* polynomial exclusive-or pattern */
@@ -853,7 +853,7 @@ static int inflate_block(int *e)
  *
  * GLOBAL VARIABLES: outcnt, bk, bb, hufts, inptr
  */
-static int inflate()
+static int inflate(void)
 {
 	int e;				/* last block flag */
 	int r;				/* result code */
diff --git a/ash.c b/ash.c
index 8a213d876..a65275893 100644
--- a/ash.c
+++ b/ash.c
@@ -2508,9 +2508,7 @@ out:
  * of all the rest.)
  */
 
-static inline void
-evalpipe(n)
-	union node *n;
+static inline void evalpipe(union node *n)
 {
 	struct job *jp;
 	struct nodelist *lp;
@@ -3453,8 +3451,8 @@ pgetc(void)
  * PEOF may be pushed back.
  */
 
-static void
-pungetc() {
+static void pungetc(void) 
+{
 	parsenleft++;
 	parsenextc--;
 }
@@ -3496,8 +3494,8 @@ popallfiles(void) {
  * after a fork is done.
  */
 
-static void
-closescript() {
+static void closescript(void) 
+{
 	popallfiles();
 	if (parsefile->fd > 0) {
 		close(parsefile->fd);
@@ -3511,9 +3509,7 @@ closescript() {
  * interrupts off.
  */
 
-static void
-setinputfd(fd, push)
-	int fd, push;
+static void setinputfd(int fd, int push)
 {
 	(void) fcntl(fd, F_SETFD, FD_CLOEXEC);
 	if (push) {
@@ -4471,10 +4467,7 @@ expandarg(arg, arglist, flag)
  * input string.
  */
 
-static inline char *
-evalvar(p, flag)
-	char *p;
-	int flag;
+static inline char * evalvar(char *p, int flag)
 {
 	int subtype;
 	int varflags;
@@ -6075,7 +6068,7 @@ static inline void putprompt(const char *s) {
 
 #ifdef ASH_ALIAS
 static int
-pgetc2()
+pgetc2(void)
 {
 	int c;
 	do {
@@ -6349,7 +6342,8 @@ static int fd0_redirected = 0;
 
 /* Return true if fd 0 has already been redirected at least once.  */
 static inline int
-fd0_redirected_p () {
+fd0_redirected_p (void) 
+{
 	return fd0_redirected != 0;
 }
 
@@ -7971,8 +7965,7 @@ readcmdfile(const char *name)
 
 
 static inline char *
-find_dot_file(mybasename)
-	char *mybasename;
+find_dot_file(char *mybasename)
 {
 	char *fullname;
 	const char *path = pathval();
@@ -12761,7 +12754,7 @@ findvar(struct var **vpp, const char *name)
 /*
  * Copyright (c) 1999 Herbert Xu <herbert@debian.org>
  * This file contains code for the times builtin.
- * $Id: ash.c,v 1.25 2001/09/11 01:14:02 mjn3 Exp $
+ * $Id: ash.c,v 1.26 2001/10/18 04:11:38 andersen Exp $
  */
 static int timescmd (int argc, char **argv)
 {
diff --git a/coreutils/tail.c b/coreutils/tail.c
index 90cc2a6ef..5e5fbc14f 100644
--- a/coreutils/tail.c
+++ b/coreutils/tail.c
@@ -51,7 +51,7 @@ static void tailbuf_append(char *buf, int len)
 	taillen += len;
 }
 
-static void tailbuf_trunc()
+static void tailbuf_trunc(void)
 {
 	char *s;
 	s = memchr(tailbuf, '\n', taillen);
diff --git a/coreutils/test.c b/coreutils/test.c
index 9c66cbb87..3404b02b4 100644
--- a/coreutils/test.c
+++ b/coreutils/test.c
@@ -158,21 +158,21 @@ static struct t_op const *t_wp_op;
 static gid_t *group_array = NULL;
 static int ngroups;
 
-static enum token t_lex();
-static int oexpr();
-static int aexpr();
-static int nexpr();
-static int binop();
-static int primary();
-static int filstat();
-static int getn();
-static int newerf();
-static int olderf();
-static int equalf();
-static void syntax();
-static int test_eaccess();
-static int is_a_group_member();
-static void initialize_group_array();
+static enum token t_lex(char* s);
+static int oexpr(enum token n);
+static int aexpr(enum token n);
+static int nexpr(enum token n);
+static int binop(void);
+static int primary(enum token n);
+static int filstat(char *nm, enum token mode);
+static int getn(const char *s);
+static int newerf(const char *f1, const char *f2);
+static int olderf(const char *f1, const char *f2);
+static int equalf(const char *f1, const char *f2);
+static void syntax(const char *op, const char *msg);
+static int test_eaccess(char *path, int mode);
+static int is_a_group_member(gid_t gid);
+static void initialize_group_array(void);
 
 extern int
 test_main(int argc, char** argv)
@@ -226,8 +226,8 @@ test_main(int argc, char** argv)
 
 static void
 syntax(op, msg)
-	char	*op;
-	char	*msg;
+	const char	*op;
+	const char	*msg;
 {
 	if (op && *op)
 		error_msg_and_die("%s: %s", op, msg);
@@ -458,7 +458,7 @@ t_lex(s)
 /* atoi with error detection */
 static int
 getn(s)
-	char *s;
+	const char *s;
 {
 	char *p;
 	long r;
@@ -480,7 +480,7 @@ getn(s)
 
 static int
 newerf (f1, f2)
-char *f1, *f2;
+const char *f1, *f2;
 {
 	struct stat b1, b2;
 
@@ -491,7 +491,7 @@ char *f1, *f2;
 
 static int
 olderf (f1, f2)
-char *f1, *f2;
+const char *f1, *f2;
 {
 	struct stat b1, b2;
 
@@ -502,7 +502,7 @@ char *f1, *f2;
 
 static int
 equalf (f1, f2)
-char *f1, *f2;
+const char *f1, *f2;
 {
 	struct stat b1, b2;
 
diff --git a/findutils/grep.c b/findutils/grep.c
index 3254868be..eff7c3ff5 100644
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -30,7 +30,6 @@
 
 
 extern int optind; /* in unistd.h */
-extern int errno;  /* for use with strerror() */
 extern void xregcomp(regex_t *preg, const char *regex, int cflags); /* in busybox.h */
 
 /* options */
diff --git a/grep.c b/grep.c
index 3254868be..eff7c3ff5 100644
--- a/grep.c
+++ b/grep.c
@@ -30,7 +30,6 @@
 
 
 extern int optind; /* in unistd.h */
-extern int errno;  /* for use with strerror() */
 extern void xregcomp(regex_t *preg, const char *regex, int cflags); /* in busybox.h */
 
 /* options */
diff --git a/gzip.c b/gzip.c
index 53646df7c..5c86c1070 100644
--- a/gzip.c
+++ b/gzip.c
@@ -354,7 +354,7 @@ static void clear_bufs(void)
 	bytes_in = 0L;
 }
 
-static void write_error_msg()
+static void write_error_msg(void)
 {
 	fprintf(stderr, "\n");
 	perror("");
diff --git a/init.c b/init.c
index 17273afcd..068e1df16 100644
--- a/init.c
+++ b/init.c
@@ -179,7 +179,7 @@ static char console[32]    = _PATH_CONSOLE;
 
 static void delete_initAction(initAction * action);
 
-static void loop_forever()
+static void loop_forever(void)
 {
 	while (1)
 		sleep (1);
@@ -289,7 +289,7 @@ static void set_term(int fd)
 
 /* How much memory does this machine have?
    Units are kBytes to avoid overflow on 4GB machines */
-static int check_free_memory()
+static int check_free_memory(void)
 {
 	struct sysinfo info;
 	unsigned int result, u, s=10;
@@ -310,7 +310,7 @@ static int check_free_memory()
 	return result;
 }
 
-static void console_init()
+static void console_init(void)
 {
 	int fd;
 	int tried_devcons = 0;
@@ -585,7 +585,7 @@ static int waitfor(char *command, char *terminal, int get_enter)
 
 /* Make sure there is enough memory to do something useful. *
  * Calls "swapon -a" if needed so be sure /etc/fstab is present... */
-static void check_memory()
+static void check_memory(void)
 {
 	struct stat statBuf;
 
diff --git a/init/init.c b/init/init.c
index 17273afcd..068e1df16 100644
--- a/init/init.c
+++ b/init/init.c
@@ -179,7 +179,7 @@ static char console[32]    = _PATH_CONSOLE;
 
 static void delete_initAction(initAction * action);
 
-static void loop_forever()
+static void loop_forever(void)
 {
 	while (1)
 		sleep (1);
@@ -289,7 +289,7 @@ static void set_term(int fd)
 
 /* How much memory does this machine have?
    Units are kBytes to avoid overflow on 4GB machines */
-static int check_free_memory()
+static int check_free_memory(void)
 {
 	struct sysinfo info;
 	unsigned int result, u, s=10;
@@ -310,7 +310,7 @@ static int check_free_memory()
 	return result;
 }
 
-static void console_init()
+static void console_init(void)
 {
 	int fd;
 	int tried_devcons = 0;
@@ -585,7 +585,7 @@ static int waitfor(char *command, char *terminal, int get_enter)
 
 /* Make sure there is enough memory to do something useful. *
  * Calls "swapon -a" if needed so be sure /etc/fstab is present... */
-static void check_memory()
+static void check_memory(void)
 {
 	struct stat statBuf;
 
diff --git a/libbb/unzip.c b/libbb/unzip.c
index ee746216d..bb32891be 100644
--- a/libbb/unzip.c
+++ b/libbb/unzip.c
@@ -115,13 +115,13 @@ static const unsigned short mask_bits[] = {
  * Signal and error handler.
  */
  
-static void abort_gzip()
+static void abort_gzip(void)
 {
 	error_msg("gzip aborted\n");
 	exit(ERROR);
 }
 
-static void make_crc_table()
+static void make_crc_table(void)
 {
 	unsigned long table_entry;      /* crc shift register */
 	unsigned long poly = 0;      /* polynomial exclusive-or pattern */
@@ -853,7 +853,7 @@ static int inflate_block(int *e)
  *
  * GLOBAL VARIABLES: outcnt, bk, bb, hufts, inptr
  */
-static int inflate()
+static int inflate(void)
 {
 	int e;				/* last block flag */
 	int r;				/* result code */
diff --git a/libbb/vherror_msg.c b/libbb/vherror_msg.c
index ee0bb5009..44f6ebd28 100644
--- a/libbb/vherror_msg.c
+++ b/libbb/vherror_msg.c
@@ -27,12 +27,11 @@
 
 #include <stdarg.h>
 #include <netdb.h>
-extern int h_errno;
-
 #include <stdio.h>
 
 #include "libbb.h"
 
+
 extern void vherror_msg(const char *s, va_list p)
 {
 	if(s == 0)
diff --git a/libbb/xgethostbyname.c b/libbb/xgethostbyname.c
index 258510332..be56f2ed1 100644
--- a/libbb/xgethostbyname.c
+++ b/libbb/xgethostbyname.c
@@ -22,10 +22,9 @@
  */
 
 #include <netdb.h>
-extern int h_errno;
-
 #include "libbb.h"
 
+
 struct hostent *xgethostbyname(const char *name)
 {
 	struct hostent *retval;
diff --git a/mkswap.c b/mkswap.c
index f72c7009a..c773ecef9 100644
--- a/mkswap.c
+++ b/mkswap.c
@@ -81,7 +81,7 @@ static struct swap_header_v1 {
 	unsigned int badpages[1];
 } *p;
 
-static void init_signature_page()
+static void init_signature_page(void)
 {
 	pagesize = getpagesize();
 
diff --git a/shell/ash.c b/shell/ash.c
index 8a213d876..a65275893 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -2508,9 +2508,7 @@ out:
  * of all the rest.)
  */
 
-static inline void
-evalpipe(n)
-	union node *n;
+static inline void evalpipe(union node *n)
 {
 	struct job *jp;
 	struct nodelist *lp;
@@ -3453,8 +3451,8 @@ pgetc(void)
  * PEOF may be pushed back.
  */
 
-static void
-pungetc() {
+static void pungetc(void) 
+{
 	parsenleft++;
 	parsenextc--;
 }
@@ -3496,8 +3494,8 @@ popallfiles(void) {
  * after a fork is done.
  */
 
-static void
-closescript() {
+static void closescript(void) 
+{
 	popallfiles();
 	if (parsefile->fd > 0) {
 		close(parsefile->fd);
@@ -3511,9 +3509,7 @@ closescript() {
  * interrupts off.
  */
 
-static void
-setinputfd(fd, push)
-	int fd, push;
+static void setinputfd(int fd, int push)
 {
 	(void) fcntl(fd, F_SETFD, FD_CLOEXEC);
 	if (push) {
@@ -4471,10 +4467,7 @@ expandarg(arg, arglist, flag)
  * input string.
  */
 
-static inline char *
-evalvar(p, flag)
-	char *p;
-	int flag;
+static inline char * evalvar(char *p, int flag)
 {
 	int subtype;
 	int varflags;
@@ -6075,7 +6068,7 @@ static inline void putprompt(const char *s) {
 
 #ifdef ASH_ALIAS
 static int
-pgetc2()
+pgetc2(void)
 {
 	int c;
 	do {
@@ -6349,7 +6342,8 @@ static int fd0_redirected = 0;
 
 /* Return true if fd 0 has already been redirected at least once.  */
 static inline int
-fd0_redirected_p () {
+fd0_redirected_p (void) 
+{
 	return fd0_redirected != 0;
 }
 
@@ -7971,8 +7965,7 @@ readcmdfile(const char *name)
 
 
 static inline char *
-find_dot_file(mybasename)
-	char *mybasename;
+find_dot_file(char *mybasename)
 {
 	char *fullname;
 	const char *path = pathval();
@@ -12761,7 +12754,7 @@ findvar(struct var **vpp, const char *name)
 /*
  * Copyright (c) 1999 Herbert Xu <herbert@debian.org>
  * This file contains code for the times builtin.
- * $Id: ash.c,v 1.25 2001/09/11 01:14:02 mjn3 Exp $
+ * $Id: ash.c,v 1.26 2001/10/18 04:11:38 andersen Exp $
  */
 static int timescmd (int argc, char **argv)
 {
diff --git a/swaponoff.c b/swaponoff.c
index ce0e2c6cc..d9eb5baae 100644
--- a/swaponoff.c
+++ b/swaponoff.c
@@ -59,7 +59,7 @@ static void swap_enable_disable(char *device)
 		perror_msg_and_die(applet_name);
 }
 
-static void do_em_all()
+static void do_em_all(void)
 {
 	struct mntent *m;
 	FILE *f = setmntent("/etc/fstab", "r");
diff --git a/tail.c b/tail.c
index 90cc2a6ef..5e5fbc14f 100644
--- a/tail.c
+++ b/tail.c
@@ -51,7 +51,7 @@ static void tailbuf_append(char *buf, int len)
 	taillen += len;
 }
 
-static void tailbuf_trunc()
+static void tailbuf_trunc(void)
 {
 	char *s;
 	s = memchr(tailbuf, '\n', taillen);
diff --git a/test.c b/test.c
index 9c66cbb87..3404b02b4 100644
--- a/test.c
+++ b/test.c
@@ -158,21 +158,21 @@ static struct t_op const *t_wp_op;
 static gid_t *group_array = NULL;
 static int ngroups;
 
-static enum token t_lex();
-static int oexpr();
-static int aexpr();
-static int nexpr();
-static int binop();
-static int primary();
-static int filstat();
-static int getn();
-static int newerf();
-static int olderf();
-static int equalf();
-static void syntax();
-static int test_eaccess();
-static int is_a_group_member();
-static void initialize_group_array();
+static enum token t_lex(char* s);
+static int oexpr(enum token n);
+static int aexpr(enum token n);
+static int nexpr(enum token n);
+static int binop(void);
+static int primary(enum token n);
+static int filstat(char *nm, enum token mode);
+static int getn(const char *s);
+static int newerf(const char *f1, const char *f2);
+static int olderf(const char *f1, const char *f2);
+static int equalf(const char *f1, const char *f2);
+static void syntax(const char *op, const char *msg);
+static int test_eaccess(char *path, int mode);
+static int is_a_group_member(gid_t gid);
+static void initialize_group_array(void);
 
 extern int
 test_main(int argc, char** argv)
@@ -226,8 +226,8 @@ test_main(int argc, char** argv)
 
 static void
 syntax(op, msg)
-	char	*op;
-	char	*msg;
+	const char	*op;
+	const char	*msg;
 {
 	if (op && *op)
 		error_msg_and_die("%s: %s", op, msg);
@@ -458,7 +458,7 @@ t_lex(s)
 /* atoi with error detection */
 static int
 getn(s)
-	char *s;
+	const char *s;
 {
 	char *p;
 	long r;
@@ -480,7 +480,7 @@ getn(s)
 
 static int
 newerf (f1, f2)
-char *f1, *f2;
+const char *f1, *f2;
 {
 	struct stat b1, b2;
 
@@ -491,7 +491,7 @@ char *f1, *f2;
 
 static int
 olderf (f1, f2)
-char *f1, *f2;
+const char *f1, *f2;
 {
 	struct stat b1, b2;
 
@@ -502,7 +502,7 @@ char *f1, *f2;
 
 static int
 equalf (f1, f2)
-char *f1, *f2;
+const char *f1, *f2;
 {
 	struct stat b1, b2;
 
diff --git a/util-linux/mkswap.c b/util-linux/mkswap.c
index f72c7009a..c773ecef9 100644
--- a/util-linux/mkswap.c
+++ b/util-linux/mkswap.c
@@ -81,7 +81,7 @@ static struct swap_header_v1 {
 	unsigned int badpages[1];
 } *p;
 
-static void init_signature_page()
+static void init_signature_page(void)
 {
 	pagesize = getpagesize();
 
diff --git a/util-linux/swaponoff.c b/util-linux/swaponoff.c
index ce0e2c6cc..d9eb5baae 100644
--- a/util-linux/swaponoff.c
+++ b/util-linux/swaponoff.c
@@ -59,7 +59,7 @@ static void swap_enable_disable(char *device)
 		perror_msg_and_die(applet_name);
 }
 
-static void do_em_all()
+static void do_em_all(void)
 {
 	struct mntent *m;
 	FILE *f = setmntent("/etc/fstab", "r");