diff --git a/libc/tzcode/strptime.c b/libc/tzcode/strptime.c
index 982daf4..1f481c9 100644
--- a/libc/tzcode/strptime.c
+++ b/libc/tzcode/strptime.c
@@ -1,5 +1,5 @@
-/*	$OpenBSD: strptime.c,v 1.11 2005/08/08 08:05:38 espie Exp $ */
-/*	$NetBSD: strptime.c,v 1.12 1998/01/20 21:39:40 mycroft Exp $	*/
+/*  $OpenBSD: strptime.c,v 1.11 2005/08/08 08:05:38 espie Exp $ */
+/*  $NetBSD: strptime.c,v 1.12 1998/01/20 21:39:40 mycroft Exp $    */
 
 /*-
  * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
@@ -44,387 +44,387 @@
 #include "tzfile.h"
 
 static const struct {
-	const char *abday[7];
-	const char *day[7];
-	const char *abmon[12];
-	const char *mon[12];
-	const char *am_pm[2];
-	const char *d_t_fmt;
-	const char *d_fmt;
-	const char *t_fmt;
-	const char *t_fmt_ampm;
+    const char *abday[7];
+    const char *day[7];
+    const char *abmon[12];
+    const char *mon[12];
+    const char *am_pm[2];
+    const char *d_t_fmt;
+    const char *d_fmt;
+    const char *t_fmt;
+    const char *t_fmt_ampm;
 } _DefaultTimeLocale = {
-	{
-		"Sun","Mon","Tue","Wed","Thu","Fri","Sat",
-	},
-	{
-		"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday",
-		"Friday", "Saturday"
-	},
-	{
-		"Jan", "Feb", "Mar", "Apr", "May", "Jun",
-		"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
-	},
-	{
-		"January", "February", "March", "April", "May", "June", "July",
-		"August", "September", "October", "November", "December"
-	},
-	{
-		"AM", "PM"
-	},
-	"%a %b %d %H:%M:%S %Y",
-	"%m/%d/%y",
-	"%H:%M:%S",
-	"%I:%M:%S %p"
+    {
+        "Sun","Mon","Tue","Wed","Thu","Fri","Sat",
+    },
+    {
+        "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday",
+        "Friday", "Saturday"
+    },
+    {
+        "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+        "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
+    },
+    {
+        "January", "February", "March", "April", "May", "June", "July",
+        "August", "September", "October", "November", "December"
+    },
+    {
+        "AM", "PM"
+    },
+    "%a %b %d %H:%M:%S %Y",
+    "%m/%d/%y",
+    "%H:%M:%S",
+    "%I:%M:%S %p"
 };
 
-#define	_ctloc(x) (_DefaultTimeLocale.x)
+#define _ctloc(x) (_DefaultTimeLocale.x)
 
 /*
  * We do not implement alternate representations. However, we always
  * check whether a given modifier is allowed for a certain conversion.
  */
-#define _ALT_E			0x01
-#define _ALT_O			0x02
-#define	_LEGAL_ALT(x)		{ if (alt_format & ~(x)) return (0); }
+#define _ALT_E          0x01
+#define _ALT_O          0x02
+#define _LEGAL_ALT(x)       { if (alt_format & ~(x)) return (0); }
 
 
-static	int _conv_num(const unsigned char **, int *, int, int);
-static	char *_strptime(const char *, const char *, struct tm *, int);
+static  int _conv_num(const unsigned char **, int *, int, int);
+static  unsigned char *_strptime(const unsigned char *, const char *, struct tm *, int);
 
 
 char *
 strptime(const char *buf, const char *fmt, struct tm *tm)
 {
-	return(_strptime(buf, fmt, tm, 1));
+    return (char*)(_strptime((const unsigned char*)buf, fmt, tm, 1));
 }
 
-static char *
-_strptime(const char *buf, const char *fmt, struct tm *tm, int initialize)
+static unsigned char *
+_strptime(const unsigned char *buf, const char *fmt, struct tm *tm, int initialize)
 {
-	unsigned char c;
-	const unsigned char *bp;
-	size_t len;
-	int alt_format, i;
-	static int century, relyear;
+    unsigned char c;
+    const unsigned char *bp;
+    size_t len = 0;
+    int alt_format, i;
+    static int century, relyear;
 
-	if (initialize) {
-		century = TM_YEAR_BASE;
-		relyear = -1;
-	}
+    if (initialize) {
+        century = TM_YEAR_BASE;
+        relyear = -1;
+    }
 
-	bp = (unsigned char *)buf;
-	while ((c = *fmt) != '\0') {
-		/* Clear `alternate' modifier prior to new conversion. */
-		alt_format = 0;
+    bp = (unsigned char *)buf;
+    while ((c = *fmt) != '\0') {
+        /* Clear `alternate' modifier prior to new conversion. */
+        alt_format = 0;
 
-		/* Eat up white-space. */
-		if (isspace(c)) {
-			while (isspace(*bp))
-				bp++;
+        /* Eat up white-space. */
+        if (isspace(c)) {
+            while (isspace(*bp))
+                bp++;
 
-			fmt++;
-			continue;
-		}
-				
-		if ((c = *fmt++) != '%')
-			goto literal;
+            fmt++;
+            continue;
+        }
+                
+        if ((c = *fmt++) != '%')
+            goto literal;
 
 
-again:		switch (c = *fmt++) {
-		case '%':	/* "%%" is converted to "%". */
+again:      switch (c = *fmt++) {
+        case '%':   /* "%%" is converted to "%". */
 literal:
-		if (c != *bp++)
-			return (NULL);
+        if (c != *bp++)
+            return (NULL);
 
-		break;
+        break;
 
-		/*
-		 * "Alternative" modifiers. Just set the appropriate flag
-		 * and start over again.
-		 */
-		case 'E':	/* "%E?" alternative conversion modifier. */
-			_LEGAL_ALT(0);
-			alt_format |= _ALT_E;
-			goto again;
+        /*
+         * "Alternative" modifiers. Just set the appropriate flag
+         * and start over again.
+         */
+        case 'E':   /* "%E?" alternative conversion modifier. */
+            _LEGAL_ALT(0);
+            alt_format |= _ALT_E;
+            goto again;
 
-		case 'O':	/* "%O?" alternative conversion modifier. */
-			_LEGAL_ALT(0);
-			alt_format |= _ALT_O;
-			goto again;
-			
-		/*
-		 * "Complex" conversion rules, implemented through recursion.
-		 */
-		case 'c':	/* Date and time, using the locale's format. */
-			_LEGAL_ALT(_ALT_E);
-			if (!(bp = _strptime(bp, _ctloc(d_t_fmt), tm, 0)))
-				return (NULL);
-			break;
+        case 'O':   /* "%O?" alternative conversion modifier. */
+            _LEGAL_ALT(0);
+            alt_format |= _ALT_O;
+            goto again;
+            
+        /*
+         * "Complex" conversion rules, implemented through recursion.
+         */
+        case 'c':   /* Date and time, using the locale's format. */
+            _LEGAL_ALT(_ALT_E);
+            if (!(bp = _strptime(bp, _ctloc(d_t_fmt), tm, 0)))
+                return (NULL);
+            break;
 
-		case 'D':	/* The date as "%m/%d/%y". */
-			_LEGAL_ALT(0);
-			if (!(bp = _strptime(bp, "%m/%d/%y", tm, 0)))
-				return (NULL);
-			break;
-	
-		case 'R':	/* The time as "%H:%M". */
-			_LEGAL_ALT(0);
-			if (!(bp = _strptime(bp, "%H:%M", tm, 0)))
-				return (NULL);
-			break;
+        case 'D':   /* The date as "%m/%d/%y". */
+            _LEGAL_ALT(0);
+            if (!(bp = _strptime(bp, "%m/%d/%y", tm, 0)))
+                return (NULL);
+            break;
+    
+        case 'R':   /* The time as "%H:%M". */
+            _LEGAL_ALT(0);
+            if (!(bp = _strptime(bp, "%H:%M", tm, 0)))
+                return (NULL);
+            break;
 
-		case 'r':	/* The time as "%I:%M:%S %p". */
-			_LEGAL_ALT(0);
-			if (!(bp = _strptime(bp, "%I:%M:%S %p", tm, 0)))
-				return (NULL);
-			break;
+        case 'r':   /* The time as "%I:%M:%S %p". */
+            _LEGAL_ALT(0);
+            if (!(bp = _strptime(bp, "%I:%M:%S %p", tm, 0)))
+                return (NULL);
+            break;
 
-		case 'T':	/* The time as "%H:%M:%S". */
-			_LEGAL_ALT(0);
-			if (!(bp = _strptime(bp, "%H:%M:%S", tm, 0)))
-				return (NULL);
-			break;
+        case 'T':   /* The time as "%H:%M:%S". */
+            _LEGAL_ALT(0);
+            if (!(bp = _strptime(bp, "%H:%M:%S", tm, 0)))
+                return (NULL);
+            break;
 
-		case 'X':	/* The time, using the locale's format. */
-			_LEGAL_ALT(_ALT_E);
-			if (!(bp = _strptime(bp, _ctloc(t_fmt), tm, 0)))
-				return (NULL);
-			break;
+        case 'X':   /* The time, using the locale's format. */
+            _LEGAL_ALT(_ALT_E);
+            if (!(bp = _strptime(bp, _ctloc(t_fmt), tm, 0)))
+                return (NULL);
+            break;
 
-		case 'x':	/* The date, using the locale's format. */
-			_LEGAL_ALT(_ALT_E);
-			if (!(bp = _strptime(bp, _ctloc(d_fmt), tm, 0)))
-				return (NULL);
-			break;
+        case 'x':   /* The date, using the locale's format. */
+            _LEGAL_ALT(_ALT_E);
+            if (!(bp = _strptime(bp, _ctloc(d_fmt), tm, 0)))
+                return (NULL);
+            break;
 
-		/*
-		 * "Elementary" conversion rules.
-		 */
-		case 'A':	/* The day of week, using the locale's form. */
-		case 'a':
-			_LEGAL_ALT(0);
-			for (i = 0; i < 7; i++) {
-				/* Full name. */
-				len = strlen(_ctloc(day[i]));
-				if (strncasecmp(_ctloc(day[i]), bp, len) == 0)
-					break;
+        /*
+         * "Elementary" conversion rules.
+         */
+        case 'A':   /* The day of week, using the locale's form. */
+        case 'a':
+            _LEGAL_ALT(0);
+            for (i = 0; i < 7; i++) {
+                /* Full name. */
+                len = strlen(_ctloc(day[i]));
+                if (strncasecmp(_ctloc(day[i]), (const char*)bp, len) == 0)
+                    break;
 
-				/* Abbreviated name. */
-				len = strlen(_ctloc(abday[i]));
-				if (strncasecmp(_ctloc(abday[i]), bp, len) == 0)
-					break;
-			}
+                /* Abbreviated name. */
+                len = strlen(_ctloc(abday[i]));
+                if (strncasecmp(_ctloc(abday[i]), (const char*)bp, len) == 0)
+                    break;
+            }
 
-			/* Nothing matched. */
-			if (i == 7)
-				return (NULL);
+            /* Nothing matched. */
+            if (i == 7)
+                return (NULL);
 
-			tm->tm_wday = i;
-			bp += len;
-			break;
+            tm->tm_wday = i;
+            bp += len;
+            break;
 
-		case 'B':	/* The month, using the locale's form. */
-		case 'b':
-		case 'h':
-			_LEGAL_ALT(0);
-			for (i = 0; i < 12; i++) {
-				/* Full name. */
-				len = strlen(_ctloc(mon[i]));
-				if (strncasecmp(_ctloc(mon[i]), bp, len) == 0)
-					break;
+        case 'B':   /* The month, using the locale's form. */
+        case 'b':
+        case 'h':
+            _LEGAL_ALT(0);
+            for (i = 0; i < 12; i++) {
+                /* Full name. */
+                len = strlen(_ctloc(mon[i]));
+                if (strncasecmp(_ctloc(mon[i]), (const char*)bp, len) == 0)
+                    break;
 
-				/* Abbreviated name. */
-				len = strlen(_ctloc(abmon[i]));
-				if (strncasecmp(_ctloc(abmon[i]), bp, len) == 0)
-					break;
-			}
+                /* Abbreviated name. */
+                len = strlen(_ctloc(abmon[i]));
+                if (strncasecmp(_ctloc(abmon[i]), (const char*)bp, len) == 0)
+                    break;
+            }
 
-			/* Nothing matched. */
-			if (i == 12)
-				return (NULL);
+            /* Nothing matched. */
+            if (i == 12)
+                return (NULL);
 
-			tm->tm_mon = i;
-			bp += len;
-			break;
+            tm->tm_mon = i;
+            bp += len;
+            break;
 
-		case 'C':	/* The century number. */
-			_LEGAL_ALT(_ALT_E);
-			if (!(_conv_num(&bp, &i, 0, 99)))
-				return (NULL);
+        case 'C':   /* The century number. */
+            _LEGAL_ALT(_ALT_E);
+            if (!(_conv_num(&bp, &i, 0, 99)))
+                return (NULL);
 
-			century = i * 100;
-			break;
+            century = i * 100;
+            break;
 
-		case 'd':	/* The day of month. */
-		case 'e':
-			_LEGAL_ALT(_ALT_O);
-			if (!(_conv_num(&bp, &tm->tm_mday, 1, 31)))
-				return (NULL);
-			break;
+        case 'd':   /* The day of month. */
+        case 'e':
+            _LEGAL_ALT(_ALT_O);
+            if (!(_conv_num(&bp, &tm->tm_mday, 1, 31)))
+                return (NULL);
+            break;
 
-		case 'k':	/* The hour (24-hour clock representation). */
-			_LEGAL_ALT(0);
-			/* FALLTHROUGH */
-		case 'H':
-			_LEGAL_ALT(_ALT_O);
-			if (!(_conv_num(&bp, &tm->tm_hour, 0, 23)))
-				return (NULL);
-			break;
+        case 'k':   /* The hour (24-hour clock representation). */
+            _LEGAL_ALT(0);
+            /* FALLTHROUGH */
+        case 'H':
+            _LEGAL_ALT(_ALT_O);
+            if (!(_conv_num(&bp, &tm->tm_hour, 0, 23)))
+                return (NULL);
+            break;
 
-		case 'l':	/* The hour (12-hour clock representation). */
-			_LEGAL_ALT(0);
-			/* FALLTHROUGH */
-		case 'I':
-			_LEGAL_ALT(_ALT_O);
-			if (!(_conv_num(&bp, &tm->tm_hour, 1, 12)))
-				return (NULL);
-			break;
+        case 'l':   /* The hour (12-hour clock representation). */
+            _LEGAL_ALT(0);
+            /* FALLTHROUGH */
+        case 'I':
+            _LEGAL_ALT(_ALT_O);
+            if (!(_conv_num(&bp, &tm->tm_hour, 1, 12)))
+                return (NULL);
+            break;
 
-		case 'j':	/* The day of year. */
-			_LEGAL_ALT(0);
-			if (!(_conv_num(&bp, &tm->tm_yday, 1, 366)))
-				return (NULL);
-			tm->tm_yday--;
-			break;
+        case 'j':   /* The day of year. */
+            _LEGAL_ALT(0);
+            if (!(_conv_num(&bp, &tm->tm_yday, 1, 366)))
+                return (NULL);
+            tm->tm_yday--;
+            break;
 
-		case 'M':	/* The minute. */
-			_LEGAL_ALT(_ALT_O);
-			if (!(_conv_num(&bp, &tm->tm_min, 0, 59)))
-				return (NULL);
-			break;
+        case 'M':   /* The minute. */
+            _LEGAL_ALT(_ALT_O);
+            if (!(_conv_num(&bp, &tm->tm_min, 0, 59)))
+                return (NULL);
+            break;
 
-		case 'm':	/* The month. */
-			_LEGAL_ALT(_ALT_O);
-			if (!(_conv_num(&bp, &tm->tm_mon, 1, 12)))
-				return (NULL);
-			tm->tm_mon--;
-			break;
+        case 'm':   /* The month. */
+            _LEGAL_ALT(_ALT_O);
+            if (!(_conv_num(&bp, &tm->tm_mon, 1, 12)))
+                return (NULL);
+            tm->tm_mon--;
+            break;
 
-		case 'p':	/* The locale's equivalent of AM/PM. */
-			_LEGAL_ALT(0);
-			/* AM? */
-			len = strlen(_ctloc(am_pm[0]));
-			if (strncasecmp(_ctloc(am_pm[0]), bp, len) == 0) {
-				if (tm->tm_hour > 12)	/* i.e., 13:00 AM ?! */
-					return (NULL);
-				else if (tm->tm_hour == 12)
-					tm->tm_hour = 0;
+        case 'p':   /* The locale's equivalent of AM/PM. */
+            _LEGAL_ALT(0);
+            /* AM? */
+            len = strlen(_ctloc(am_pm[0]));
+            if (strncasecmp(_ctloc(am_pm[0]), (const char*)bp, len) == 0) {
+                if (tm->tm_hour > 12)   /* i.e., 13:00 AM ?! */
+                    return (NULL);
+                else if (tm->tm_hour == 12)
+                    tm->tm_hour = 0;
 
-				bp += len;
-				break;
-			}
-			/* PM? */
-			len = strlen(_ctloc(am_pm[1]));
-			if (strncasecmp(_ctloc(am_pm[1]), bp, len) == 0) {
-				if (tm->tm_hour > 12)	/* i.e., 13:00 PM ?! */
-					return (NULL);
-				else if (tm->tm_hour < 12)
-					tm->tm_hour += 12;
+                bp += len;
+                break;
+            }
+            /* PM? */
+            len = strlen(_ctloc(am_pm[1]));
+            if (strncasecmp(_ctloc(am_pm[1]), (const char*)bp, len) == 0) {
+                if (tm->tm_hour > 12)   /* i.e., 13:00 PM ?! */
+                    return (NULL);
+                else if (tm->tm_hour < 12)
+                    tm->tm_hour += 12;
 
-				bp += len;
-				break;
-			}
+                bp += len;
+                break;
+            }
 
-			/* Nothing matched. */
-			return (NULL);
+            /* Nothing matched. */
+            return (NULL);
 
-		case 'S':	/* The seconds. */
-			_LEGAL_ALT(_ALT_O);
-			if (!(_conv_num(&bp, &tm->tm_sec, 0, 61)))
-				return (NULL);
-			break;
+        case 'S':   /* The seconds. */
+            _LEGAL_ALT(_ALT_O);
+            if (!(_conv_num(&bp, &tm->tm_sec, 0, 61)))
+                return (NULL);
+            break;
 
-		case 'U':	/* The week of year, beginning on sunday. */
-		case 'W':	/* The week of year, beginning on monday. */
-			_LEGAL_ALT(_ALT_O);
-			/*
-			 * XXX This is bogus, as we can not assume any valid
-			 * information present in the tm structure at this
-			 * point to calculate a real value, so just check the
-			 * range for now.
-			 */
-			 if (!(_conv_num(&bp, &i, 0, 53)))
-				return (NULL);
-			 break;
+        case 'U':   /* The week of year, beginning on sunday. */
+        case 'W':   /* The week of year, beginning on monday. */
+            _LEGAL_ALT(_ALT_O);
+            /*
+             * XXX This is bogus, as we can not assume any valid
+             * information present in the tm structure at this
+             * point to calculate a real value, so just check the
+             * range for now.
+             */
+             if (!(_conv_num(&bp, &i, 0, 53)))
+                return (NULL);
+             break;
 
-		case 'w':	/* The day of week, beginning on sunday. */
-			_LEGAL_ALT(_ALT_O);
-			if (!(_conv_num(&bp, &tm->tm_wday, 0, 6)))
-				return (NULL);
-			break;
+        case 'w':   /* The day of week, beginning on sunday. */
+            _LEGAL_ALT(_ALT_O);
+            if (!(_conv_num(&bp, &tm->tm_wday, 0, 6)))
+                return (NULL);
+            break;
 
-		case 'Y':	/* The year. */
-			_LEGAL_ALT(_ALT_E);
-			if (!(_conv_num(&bp, &i, 0, 9999)))
-				return (NULL);
+        case 'Y':   /* The year. */
+            _LEGAL_ALT(_ALT_E);
+            if (!(_conv_num(&bp, &i, 0, 9999)))
+                return (NULL);
 
-			relyear = -1;
-			tm->tm_year = i - TM_YEAR_BASE;
-			break;
+            relyear = -1;
+            tm->tm_year = i - TM_YEAR_BASE;
+            break;
 
-		case 'y':	/* The year within the century (2 digits). */
-			_LEGAL_ALT(_ALT_E | _ALT_O);
-			if (!(_conv_num(&bp, &relyear, 0, 99)))
-				return (NULL);
-			break;
+        case 'y':   /* The year within the century (2 digits). */
+            _LEGAL_ALT(_ALT_E | _ALT_O);
+            if (!(_conv_num(&bp, &relyear, 0, 99)))
+                return (NULL);
+            break;
 
-		/*
-		 * Miscellaneous conversions.
-		 */
-		case 'n':	/* Any kind of white-space. */
-		case 't':
-			_LEGAL_ALT(0);
-			while (isspace(*bp))
-				bp++;
-			break;
+        /*
+         * Miscellaneous conversions.
+         */
+        case 'n':   /* Any kind of white-space. */
+        case 't':
+            _LEGAL_ALT(0);
+            while (isspace(*bp))
+                bp++;
+            break;
 
 
-		default:	/* Unknown/unsupported conversion. */
-			return (NULL);
-		}
+        default:    /* Unknown/unsupported conversion. */
+            return (NULL);
+        }
 
 
-	}
+    }
 
-	/*
-	 * We need to evaluate the two digit year spec (%y)
-	 * last as we can get a century spec (%C) at any time.
-	 */
-	if (relyear != -1) {
-		if (century == TM_YEAR_BASE) {
-			if (relyear <= 68)
-				tm->tm_year = relyear + 2000 - TM_YEAR_BASE;
-			else
-				tm->tm_year = relyear + 1900 - TM_YEAR_BASE;
-		} else {
-			tm->tm_year = relyear + century - TM_YEAR_BASE;
-		}
-	}
+    /*
+     * We need to evaluate the two digit year spec (%y)
+     * last as we can get a century spec (%C) at any time.
+     */
+    if (relyear != -1) {
+        if (century == TM_YEAR_BASE) {
+            if (relyear <= 68)
+                tm->tm_year = relyear + 2000 - TM_YEAR_BASE;
+            else
+                tm->tm_year = relyear + 1900 - TM_YEAR_BASE;
+        } else {
+            tm->tm_year = relyear + century - TM_YEAR_BASE;
+        }
+    }
 
-	return ((char *)bp);
+    return (unsigned char*)bp;
 }
 
 
 static int
 _conv_num(const unsigned char **buf, int *dest, int llim, int ulim)
 {
-	int result = 0;
-	int rulim = ulim;
+    int result = 0;
+    int rulim = ulim;
 
-	if (**buf < '0' || **buf > '9')
-		return (0);
+    if (**buf < '0' || **buf > '9')
+        return (0);
 
-	/* we use rulim to break out of the loop when we run out of digits */
-	do {
-		result *= 10;
-		result += *(*buf)++ - '0';
-		rulim /= 10;
-	} while ((result * 10 <= ulim) && rulim && **buf >= '0' && **buf <= '9');
+    /* we use rulim to break out of the loop when we run out of digits */
+    do {
+        result *= 10;
+        result += *(*buf)++ - '0';
+        rulim /= 10;
+    } while ((result * 10 <= ulim) && rulim && **buf >= '0' && **buf <= '9');
 
-	if (result < llim || result > ulim)
-		return (0);
+    if (result < llim || result > ulim)
+        return (0);
 
-	*dest = result;
-	return (1);
+    *dest = result;
+    return (1);
 }