Assume __STDC__, remove non-__STDC__ code.

Submitted by: keramida

30 files changed, 4 insertions, 343 deletions

diff --git a/lib/libc/compat-43/gethostid.c b/lib/libc/compat-43/gethostid.c
index 0652230..cc1b905 100644
--- a/lib/libc/compat-43/gethostid.c
+++ b/lib/libc/compat-43/gethostid.c
@@ -40,13 +40,8 @@ __FBSDID("$FreeBSD$");
 #include <sys/param.h>
 #include <sys/sysctl.h>
 
-#if __STDC__
 long
 gethostid(void)
-#else
-long
-gethostid()
-#endif
 {
 	int mib[2];
 	size_t size;
diff --git a/lib/libc/compat-43/killpg.c b/lib/libc/compat-43/killpg.c
index 2ab3c3b..3eafc76 100644
--- a/lib/libc/compat-43/killpg.c
+++ b/lib/libc/compat-43/killpg.c
@@ -45,13 +45,7 @@ __FBSDID("$FreeBSD$");
  * Backwards-compatible killpg().
  */
 int
-#if __STDC__
 killpg(pid_t pgid, int sig)
-#else
-killpg(pgid, sig)
-	pid_t pgid;
-	int sig;
-#endif
 {
 	if (pgid == 1) {
 		errno = ESRCH;
diff --git a/lib/libc/compat-43/sethostid.c b/lib/libc/compat-43/sethostid.c
index 1cb73b2..55ad658 100644
--- a/lib/libc/compat-43/sethostid.c
+++ b/lib/libc/compat-43/sethostid.c
@@ -40,14 +40,8 @@ __FBSDID("$FreeBSD$");
 #include <sys/param.h>
 #include <sys/sysctl.h>
 
-#if __STDC__
 long
 sethostid(long hostid)
-#else
-long
-sethostid(hostid)
-	long hostid;
-#endif
 {
 	int mib[2];
 
diff --git a/lib/libc/compat-43/setpgrp.c b/lib/libc/compat-43/setpgrp.c
index cf0c08e..381c018 100644
--- a/lib/libc/compat-43/setpgrp.c
+++ b/lib/libc/compat-43/setpgrp.c
@@ -41,12 +41,7 @@ __FBSDID("$FreeBSD$");
 #include <unistd.h>
 
 int
-#if __STDC__
 setpgrp(pid_t pid, pid_t pgid)
-#else
-setpgrp(pid, pgid)
-	pid_t pid, pgid;
-#endif
 {
 	return(setpgid(pid, pgid));
 }
diff --git a/lib/libc/compat-43/setrgid.c b/lib/libc/compat-43/setrgid.c
index 4b6d751..1617ab13 100644
--- a/lib/libc/compat-43/setrgid.c
+++ b/lib/libc/compat-43/setrgid.c
@@ -40,12 +40,7 @@ __FBSDID("$FreeBSD$");
 #include <unistd.h>
 
 int
-#ifdef __STDC__
 setrgid(gid_t rgid)
-#else
-setrgid(rgid)
-	int rgid;
-#endif
 {
 
 	return (setregid(rgid, -1));
diff --git a/lib/libc/compat-43/setruid.c b/lib/libc/compat-43/setruid.c
index 37b2b5b..a0a6e81 100644
--- a/lib/libc/compat-43/setruid.c
+++ b/lib/libc/compat-43/setruid.c
@@ -40,12 +40,7 @@ __FBSDID("$FreeBSD$");
 #include <unistd.h>
 
 int
-#ifdef __STDC__
 setruid(uid_t ruid)
-#else
-setruid(ruid)
-	int ruid;
-#endif
 {
 
 	return (setreuid(ruid, -1));
diff --git a/lib/libc/db/test/dbtest.c b/lib/libc/db/test/dbtest.c
index ec367e1..4d81aee 100644
--- a/lib/libc/db/test/dbtest.c
+++ b/lib/libc/db/test/dbtest.c
@@ -725,27 +725,14 @@ usage()
 	exit(1);
 }
 
-#if __STDC__
 #include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
 
 void
-#if __STDC__
 err(const char *fmt, ...)
-#else
-err(fmt, va_alist)
-	char *fmt;
-        va_dcl
-#endif
 {
 	va_list ap;
-#if __STDC__
+
 	va_start(ap, fmt);
-#else
-	va_start(ap);
-#endif
 	(void)fprintf(stderr, "dbtest: ");
 	(void)vfprintf(stderr, fmt, ap);
 	va_end(ap);
diff --git a/lib/libc/gen/exec.c b/lib/libc/gen/exec.c
index 1cb8db7..99e3806 100644
--- a/lib/libc/gen/exec.c
+++ b/lib/libc/gen/exec.c
@@ -48,34 +48,19 @@ __FBSDID("$FreeBSD$");
 #include <stdio.h>
 #include <paths.h>
 
-#if __STDC__
 #include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
 #include "un-namespace.h"
 
 extern char **environ;
 
 int
-#if __STDC__
 execl(const char *name, const char *arg, ...)
-#else
-execl(name, arg, va_alist)
-	const char *name;
-	const char *arg;
-	va_dcl
-#endif
 {
 	va_list ap;
 	char **argv;
 	int n;
 
-#if __STDC__
 	va_start(ap, arg);
-#else
-	va_start(ap);
-#endif
 	n = 1;
 	while (va_arg(ap, char *) != NULL)
 		n++;
@@ -85,11 +70,7 @@ execl(name, arg, va_alist)
 		errno = ENOMEM;
 		return (-1);
 	}
-#if __STDC__
 	va_start(ap, arg);
-#else
-	va_start(ap);
-#endif
 	n = 1;
 	argv[0] = (char *)arg;
 	while ((argv[n] = va_arg(ap, char *)) != NULL)
@@ -99,24 +80,13 @@ execl(name, arg, va_alist)
 }
 
 int
-#if __STDC__
 execle(const char *name, const char *arg, ...)
-#else
-execle(name, arg, va_alist)
-	const char *name;
-	const char *arg;
-	va_dcl
-#endif
 {
 	va_list ap;
 	char **argv, **envp;
 	int n;
 
-#if __STDC__
 	va_start(ap, arg);
-#else
-	va_start(ap);
-#endif
 	n = 1;
 	while (va_arg(ap, char *) != NULL)
 		n++;
@@ -126,11 +96,7 @@ execle(name, arg, va_alist)
 		errno = ENOMEM;
 		return (-1);
 	}
-#if __STDC__
 	va_start(ap, arg);
-#else
-	va_start(ap);
-#endif
 	n = 1;
 	argv[0] = (char *)arg;
 	while ((argv[n] = va_arg(ap, char *)) != NULL)
@@ -141,25 +107,14 @@ execle(name, arg, va_alist)
 }
 
 int
-#if __STDC__
 execlp(const char *name, const char *arg, ...)
-#else
-execlp(name, arg, va_alist)
-	const char *name;
-	const char *arg;
-	va_dcl
-#endif
 {
 	va_list ap;
 	int sverrno;
 	char **argv;
 	int n;
 
-#if __STDC__
 	va_start(ap, arg);
-#else
-	va_start(ap);
-#endif
 	n = 1;
 	while (va_arg(ap, char *) != NULL)
 		n++;
@@ -169,11 +124,7 @@ execlp(name, arg, va_alist)
 		errno = ENOMEM;
 		return (-1);
 	}
-#if __STDC__
 	va_start(ap, arg);
-#else
-	va_start(ap);
-#endif
 	n = 1;
 	argv[0] = (char *)arg;
 	while ((argv[n] = va_arg(ap, char *)) != NULL)
diff --git a/lib/libc/gen/getosreldate.c b/lib/libc/gen/getosreldate.c
index 6cc3f5c..b0421a3 100644
--- a/lib/libc/gen/getosreldate.c
+++ b/lib/libc/gen/getosreldate.c
@@ -40,13 +40,8 @@ __FBSDID("$FreeBSD$");
 #include <sys/param.h>
 #include <sys/sysctl.h>
 
-#if __STDC__
 int
 getosreldate(void)
-#else
-int
-getosreldate()
-#endif
 {
 	int mib[2];
 	size_t size;
diff --git a/lib/libc/gen/semctl.c b/lib/libc/gen/semctl.c
index a64e125..a449cac 100644
--- a/lib/libc/gen/semctl.c
+++ b/lib/libc/gen/semctl.c
@@ -4,30 +4,16 @@ __FBSDID("$FreeBSD$");
 #include <sys/types.h>
 #include <sys/ipc.h>
 #include <sys/sem.h>
-#if __STDC__
 #include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
 #include <stdlib.h>
 
-#if __STDC__
 int semctl(int semid, int semnum, int cmd, ...)
-#else
-int semctl(semid, semnum, cmd, va_alist)
-	int semid, semnum;
-	int cmd;
-	va_dcl
-#endif
 {
 	va_list ap;
 	union semun semun;
 	union semun *semun_ptr;
-#if __STDC__
+
 	va_start(ap, cmd);
-#else
-	va_start(ap);
-#endif
 	if (cmd == IPC_SET || cmd == IPC_STAT || cmd == GETALL
 	    || cmd == SETVAL || cmd == SETALL) {
 		semun = va_arg(ap, union semun);
diff --git a/lib/libc/gen/sethostname.c b/lib/libc/gen/sethostname.c
index 1f0a14a..769401a 100644
--- a/lib/libc/gen/sethostname.c
+++ b/lib/libc/gen/sethostname.c
@@ -40,15 +40,8 @@ __FBSDID("$FreeBSD$");
 #include <sys/param.h>
 #include <sys/sysctl.h>
 
-#if __STDC__
 int
 sethostname(const char *name, int namelen)
-#else
-int
-sethostname(name, namelen)
-	char *name;
-	int namelen;
-#endif
 {
 	int mib[2];
 
diff --git a/lib/libc/gen/syslog.c b/lib/libc/gen/syslog.c
index 621e63a..fa19907 100644
--- a/lib/libc/gen/syslog.c
+++ b/lib/libc/gen/syslog.c
@@ -54,11 +54,7 @@ __FBSDID("$FreeBSD$");
 #include <time.h>
 #include <unistd.h>
 
-#if __STDC__
 #include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
 #include "un-namespace.h"
 
 #include "libc_private.h"
@@ -113,22 +109,11 @@ int writehook(cookie, buf, len)
  *	print message on log file; output is intended for syslogd(8).
  */
 void
-#if __STDC__
 syslog(int pri, const char *fmt, ...)
-#else
-syslog(pri, fmt, va_alist)
-	int pri;
-	char *fmt;
-	va_dcl
-#endif
 {
 	va_list ap;
 
-#if __STDC__
 	va_start(ap, fmt);
-#else
-	va_start(ap);
-#endif
 	vsyslog(pri, fmt, ap);
 	va_end(ap);
 }
diff --git a/lib/libc/gen/termios.c b/lib/libc/gen/termios.c
index 592d7bf..cc57cf8 100644
--- a/lib/libc/gen/termios.c
+++ b/lib/libc/gen/termios.c
@@ -83,13 +83,7 @@ tcsetattr(fd, opt, t)
 }
 
 int
-#if __STDC__
 tcsetpgrp(int fd, pid_t pgrp)
-#else
-tcsetpgrp(fd, pgrp)
-	int fd;
-	pid_t pgrp;
-#endif
 {
 	int s;
 
diff --git a/lib/libc/gen/vis.c b/lib/libc/gen/vis.c
index bc4903c..640ae3af 100644
--- a/lib/libc/gen/vis.c
+++ b/lib/libc/gen/vis.c
@@ -97,11 +97,7 @@ vis(dst, c, flag, nextc)
 			*dst++ = '\\';
 			*dst++ = 'b';
 			goto done;
-#if __STDC__
 		case '\a':
-#else
-		case '\007':
-#endif
 			*dst++ = '\\';
 			*dst++ = 'a';
 			goto done;
diff --git a/lib/libc/net/nsdispatch.c b/lib/libc/net/nsdispatch.c
index 307b2c6..25da107 100644
--- a/lib/libc/net/nsdispatch.c
+++ b/lib/libc/net/nsdispatch.c
@@ -212,18 +212,8 @@ _nsdbtput(dbt)
 
 
 int
-#if __STDC__
 nsdispatch(void *retval, const ns_dtab disp_tab[], const char *database,
 	    const char *method, const ns_src defaults[], ...)
-#else
-nsdispatch(retval, disp_tab, database, method, defaults, va_alist)
-	void		*retval;
-	const ns_dtab	 disp_tab[];
-	const char	*database;
-	const char	*method;
-	const ns_src	 defaults[];
-	va_dcl
-#endif
 {
 	va_list		 ap;
 	int		 i, curdisp, result;
@@ -250,11 +240,7 @@ nsdispatch(retval, disp_tab, database, method, defaults, va_alist)
 				break;
 		result = 0;
 		if (disp_tab[curdisp].callback) {
-#if __STDC__
 			va_start(ap, defaults);
-#else
-			va_start(ap);
-#endif
 			result = disp_tab[curdisp].callback(retval,
 			    disp_tab[curdisp].cb_data, ap);
 			va_end(ap);
diff --git a/lib/libc/stdio/asprintf.c b/lib/libc/stdio/asprintf.c
index 276f86f..57116e6 100644
--- a/lib/libc/stdio/asprintf.c
+++ b/lib/libc/stdio/asprintf.c
@@ -33,33 +33,18 @@ __FBSDID("$FreeBSD$");
 #include <stdio.h>
 #include <stdlib.h>
 #include <errno.h>
-#if __STDC__
 #include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
 
 #include "local.h"
 
 int
-#if __STDC__
 asprintf(char **str, char const *fmt, ...)
-#else
-asprintf(str, fmt, va_alist)
-	char **str;
-	const char *fmt;
-	va_dcl
-#endif
 {
 	int ret;
 	va_list ap;
 	FILE f;
 
-#if __STDC__
 	va_start(ap, fmt);
-#else
-	va_start(ap);
-#endif
 	f._file = -1;
 	f._flags = __SWR | __SSTR | __SALC;
 	f._bf._base = f._p = (unsigned char *)malloc(128);
diff --git a/lib/libc/stdio/fprintf.c b/lib/libc/stdio/fprintf.c
index 53c1328..55ae1d5 100644
--- a/lib/libc/stdio/fprintf.c
+++ b/lib/libc/stdio/fprintf.c
@@ -41,30 +41,15 @@ static char sccsid[] = "@(#)fprintf.c	8.1 (Berkeley) 6/4/93";
 __FBSDID("$FreeBSD$");
 
 #include <stdio.h>
-#if __STDC__
 #include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
 
 int
-#if __STDC__
 fprintf(FILE *fp, const char *fmt, ...)
-#else
-fprintf(fp, fmt, va_alist)
-	FILE *fp;
-	char *fmt;
-	va_dcl
-#endif
 {
 	int ret;
 	va_list ap;
 
-#if __STDC__
 	va_start(ap, fmt);
-#else
-	va_start(ap);
-#endif
 	ret = vfprintf(fp, fmt, ap);
 	va_end(ap);
 	return (ret);
diff --git a/lib/libc/stdio/fscanf.c b/lib/libc/stdio/fscanf.c
index e147e79..1c376a8 100644
--- a/lib/libc/stdio/fscanf.c
+++ b/lib/libc/stdio/fscanf.c
@@ -42,33 +42,17 @@ __FBSDID("$FreeBSD$");
 
 #include "namespace.h"
 #include <stdio.h>
-#if __STDC__
 #include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
 #include "un-namespace.h"
 #include "libc_private.h"
 
-#if __STDC__
 int
-fscanf(FILE *fp, char const *fmt, ...) {
-	int ret;
-	va_list ap;
-
-	va_start(ap, fmt);
-#else
-int
-fscanf(fp, fmt, va_alist)
-	FILE *fp;
-	char *fmt;
-	va_dcl
+fscanf(FILE *fp, char const *fmt, ...)
 {
 	int ret;
 	va_list ap;
 
-	va_start(ap);
-#endif
+	va_start(ap, fmt);
 	FLOCKFILE(fp);
 	ret = __svfscanf(fp, fmt, ap);
 	va_end(ap);
diff --git a/lib/libc/stdio/funopen.c b/lib/libc/stdio/funopen.c
index 28da521..459cd5c 100644
--- a/lib/libc/stdio/funopen.c
+++ b/lib/libc/stdio/funopen.c
@@ -49,11 +49,7 @@ FILE *
 funopen(cookie, readfn, writefn, seekfn, closefn)
 	const void *cookie;
 	int (*readfn)(), (*writefn)();
-#if __STDC__
 	fpos_t (*seekfn)(void *cookie, fpos_t off, int whence);
-#else
-	fpos_t (*seekfn)();
-#endif
 	int (*closefn)();
 {
 	FILE *fp;
diff --git a/lib/libc/stdio/fvwrite.h b/lib/libc/stdio/fvwrite.h
index e55341b..df59bf0 100644
--- a/lib/libc/stdio/fvwrite.h
+++ b/lib/libc/stdio/fvwrite.h
@@ -50,8 +50,4 @@ struct __suio {
 	int	uio_resid;
 };
 
-#if __STDC__ || c_plusplus
 extern int __sfvwrite(FILE *, struct __suio *);
-#else
-extern int __sfvwrite();
-#endif
diff --git a/lib/libc/stdio/printf.c b/lib/libc/stdio/printf.c
index 1d24931..bd7d16c 100644
--- a/lib/libc/stdio/printf.c
+++ b/lib/libc/stdio/printf.c
@@ -41,29 +41,15 @@ static char sccsid[] = "@(#)printf.c	8.1 (Berkeley) 6/4/93";
 __FBSDID("$FreeBSD$");
 
 #include <stdio.h>
-#if __STDC__
 #include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
 
 int
-#if __STDC__
 printf(char const *fmt, ...)
-#else
-printf(fmt, va_alist)
-	char *fmt;
-	va_dcl
-#endif
 {
 	int ret;
 	va_list ap;
 
-#if __STDC__
 	va_start(ap, fmt);
-#else
-	va_start(ap);
-#endif
 	ret = vfprintf(stdout, fmt, ap);
 	va_end(ap);
 	return (ret);
diff --git a/lib/libc/stdio/scanf.c b/lib/libc/stdio/scanf.c
index 98cd4e2..990c9b0 100644
--- a/lib/libc/stdio/scanf.c
+++ b/lib/libc/stdio/scanf.c
@@ -42,32 +42,17 @@ __FBSDID("$FreeBSD$");
 
 #include "namespace.h"
 #include <stdio.h>
-#if __STDC__
 #include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
 #include "un-namespace.h"
 #include "libc_private.h"
 
-#if __STDC__
 int
 scanf(char const *fmt, ...)
-#else
-int
-scanf(fmt, va_alist)
-	char *fmt;
-	va_dcl
-#endif
 {
 	int ret;
 	va_list ap;
 
-#if __STDC__
 	va_start(ap, fmt);
-#else
-	va_start(ap);
-#endif
 	FLOCKFILE(stdin);
 	ret = __svfscanf(stdin, fmt, ap);
 	FUNLOCKFILE(stdin);
diff --git a/lib/libc/stdio/snprintf.c b/lib/libc/stdio/snprintf.c
index 0a09bac..e3e71f2 100644
--- a/lib/libc/stdio/snprintf.c
+++ b/lib/libc/stdio/snprintf.c
@@ -42,25 +42,12 @@ __FBSDID("$FreeBSD$");
 
 #include <limits.h>
 #include <stdio.h>
-#if __STDC__
 #include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
 
 #include "local.h"
 
-#if __STDC__
 int
 snprintf(char *str, size_t n, char const *fmt, ...)
-#else
-int
-snprintf(str, n, fmt, va_alist)
-	char *str;
-	size_t n;
-	char *fmt;
-	va_dcl
-#endif
 {
 	size_t on;
 	int ret;
@@ -72,11 +59,7 @@ snprintf(str, n, fmt, va_alist)
 		n--;
 	if (n > INT_MAX)
 		n = INT_MAX;
-#if __STDC__
 	va_start(ap, fmt);
-#else
-	va_start(ap);
-#endif
 	f._file = -1;
 	f._flags = __SWR | __SSTR;
 	f._bf._base = f._p = (unsigned char *)str;
diff --git a/lib/libc/stdio/sprintf.c b/lib/libc/stdio/sprintf.c
index 075ac63..7b81c1f 100644
--- a/lib/libc/stdio/sprintf.c
+++ b/lib/libc/stdio/sprintf.c
@@ -41,23 +41,12 @@ static char sccsid[] = "@(#)sprintf.c	8.1 (Berkeley) 6/4/93";
 __FBSDID("$FreeBSD$");
 
 #include <stdio.h>
-#if __STDC__
 #include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
 #include <limits.h>
 #include "local.h"
 
 int
-#if __STDC__
 sprintf(char *str, char const *fmt, ...)
-#else
-sprintf(str, fmt, va_alist)
-	char *str;
-	char *fmt;
-	va_dcl
-#endif
 {
 	int ret;
 	va_list ap;
@@ -67,11 +56,7 @@ sprintf(str, fmt, va_alist)
 	f._flags = __SWR | __SSTR;
 	f._bf._base = f._p = (unsigned char *)str;
 	f._bf._size = f._w = INT_MAX;
-#if __STDC__
 	va_start(ap, fmt);
-#else
-	va_start(ap);
-#endif
 	ret = __vfprintf(&f, fmt, ap);
 	va_end(ap);
 	*f._p = 0;
diff --git a/lib/libc/stdio/sscanf.c b/lib/libc/stdio/sscanf.c
index 5a9ada6..d988326 100644
--- a/lib/libc/stdio/sscanf.c
+++ b/lib/libc/stdio/sscanf.c
@@ -42,11 +42,7 @@ __FBSDID("$FreeBSD$");
 
 #include <stdio.h>
 #include <string.h>
-#if __STDC__
 #include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
 #include "local.h"
 
 static int eofread(void *, char *, int);
@@ -62,16 +58,8 @@ eofread(cookie, buf, len)
 	return (0);
 }
 
-#if __STDC__
 int
 sscanf(const char *str, char const *fmt, ...)
-#else
-int
-sscanf(str, fmt, va_alist)
-	char *str;
-	char *fmt;
-	va_dcl
-#endif
 {
 	int ret;
 	va_list ap;
@@ -87,11 +75,7 @@ sscanf(str, fmt, va_alist)
 	f._lb._base = NULL;
 	f._extra = &extra;
 	INITEXTRA(&f);
-#if __STDC__
 	va_start(ap, fmt);
-#else
-	va_start(ap);
-#endif
 	ret = __svfscanf(&f, fmt, ap);
 	va_end(ap);
 	return (ret);
diff --git a/lib/libc/stdio/vfprintf.c b/lib/libc/stdio/vfprintf.c
index b723c67..55fc82c 100644
--- a/lib/libc/stdio/vfprintf.c
+++ b/lib/libc/stdio/vfprintf.c
@@ -58,11 +58,7 @@ __FBSDID("$FreeBSD$");
 #include <stdlib.h>
 #include <string.h>
 
-#if __STDC__
 #include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
 #include "un-namespace.h"
 
 #include "libc_private.h"
diff --git a/lib/libc/stdio/vfscanf.c b/lib/libc/stdio/vfscanf.c
index a31d6ad0..e329eed 100644
--- a/lib/libc/stdio/vfscanf.c
+++ b/lib/libc/stdio/vfscanf.c
@@ -46,11 +46,7 @@ __FBSDID("$FreeBSD$");
 #include <stdio.h>
 #include <stdlib.h>
 #include <stddef.h>
-#if __STDC__
 #include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
 #include <string.h>
 #include "un-namespace.h"
 
diff --git a/lib/libc/stdlib/strfmon.c b/lib/libc/stdlib/strfmon.c
index 0a72ca8..aa9b318 100644
--- a/lib/libc/stdlib/strfmon.c
+++ b/lib/libc/stdlib/strfmon.c
@@ -33,11 +33,7 @@ __FBSDID("$FreeBSD$");
 #include <errno.h>
 #include <limits.h>
 #include <locale.h>
-#if __STDC__
 #include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -91,17 +87,8 @@ static void __setup_vars(int, char *, char *, char *, char **);
 static int __calc_left_pad(int, char *);
 static char *__format_grouped_double(double, int *, int, int, int);
 
-#if __STDC__
 ssize_t
 strfmon(char *s, size_t maxsize, const char *format, ...)
-#else
-ssize_t
-strfmon(s, maxsize, format, va_alist)
-        char    *s;
-        size_t  maxsize;
-        const char *format;
-        va_dcl
-#endif
 {
 	va_list		ap;
 	char 		*dst;		/* output destination pointer */
@@ -127,11 +114,7 @@ strfmon(s, maxsize, format, va_alist)
 	char		*tmpptr;	/* temporary vars */
 	int		*ntmp;
 
-#if __STDC__
         va_start(ap, format);
-#else
-        va_start(ap);
-#endif
 
 	lc = localeconv();
 	dst = s;
diff --git a/lib/libc/stdlib/strtod.c b/lib/libc/stdlib/strtod.c
index 9258d71..eaa7ad0 100644
--- a/lib/libc/stdlib/strtod.c
+++ b/lib/libc/stdlib/strtod.c
@@ -1378,18 +1378,7 @@ strtod
 			if (e1 > DBL_MAX_10_EXP) {
  ovfl:
 				errno = ERANGE;
-#ifdef __STDC__
 				rv = HUGE_VAL;
-#else
-				/* Can't trust HUGE_VAL */
-#ifdef IEEE_Arith
-				word0(rv) = Exp_mask;
-				word1(rv) = 0;
-#else
-				word0(rv) = Big0;
-				word1(rv) = Big1;
-#endif
-#endif
 				goto ret;
 			}
 			if (e1 >>= 4) {
diff --git a/lib/libc/stdtime/private.h b/lib/libc/stdtime/private.h
index 8568ab1..214442c 100644
--- a/lib/libc/stdtime/private.h
+++ b/lib/libc/stdtime/private.h
@@ -107,19 +107,6 @@ static char	privatehid[] = "@(#)private.h	7.43";
 #define is_digit(c) ((unsigned)(c) - '0' <= 9)
 
 /*
-** Workarounds for compilers/systems.
-*/
-
-#ifndef P
-#ifdef __STDC__
-#define P(x)	x
-#endif /* defined __STDC__ */
-#ifndef __STDC__
-#define P(x)	()
-#endif /* !defined __STDC__ */
-#endif /* !defined P */
-
-/*
 ** SunOS 4.1.1 headers lack FILENAME_MAX.
 */