From: CSRG <csrg@ucbvax.Berkeley.EDU>
Date: Sun, 24 Oct 1982 11:26:38 +0000 (-0800)
Subject: BSD 4_3 development
X-Git-Tag: BSD-4_3~1928
X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/commitdiff_plain/8b541e465cc1072820f5fed46ba290405d53c6f7?hp=b367c65f433549276cb9c3ae32d5486cf40bfa94

BSD 4_3 development
Work on file usr/src/games/number.c

Synthesized-from: CSRG/cd1/4.3
---

diff --git a/usr/src/games/number.c b/usr/src/games/number.c
new file mode 100644
index 0000000000..8541040ce0
--- /dev/null
+++ b/usr/src/games/number.c
@@ -0,0 +1,202 @@
+
+static char sccsid[] = "	number.c	4.1	82/10/24	";
+
+int	flag;
+int max = 21;
+char	*card[] =
+{
+	"hundred",
+	"thousand",
+	"million",
+	"billion",
+	"trillion",
+	"quadrillion",
+	"quintillion",
+	"sextillion",
+	"septillion",
+	"octillion",
+	"nonillion",
+	"decillion",
+	"undecillion",
+	"duodecillion",
+	"tredecillion",
+	"quattuordecillion",
+	"quindecillion",
+	"sexdecillion",
+	"septendecillion",
+	"octodecillion",
+	"novemdecillion",
+	"vigintillion"
+};
+char *unit[] = {
+	"zero",
+	"one",
+	"two",
+	"three",
+	"four",
+	"five",
+	"six",
+	"seven",
+	"eight",
+	"nine"
+};
+char *teen[] = {
+	"ten",
+	"eleven",
+	"twelve",
+	"thirteen",
+	"fourteen",
+	"fifteen",
+	"sixteen",
+	"seventeen",
+	"eighteen",
+	"nineteen"
+};
+char *decade[] = {
+	"zero",
+	"ten",
+	"twenty",
+	"thirty",
+	"forty",
+	"fifty",
+	"sixty",
+	"seventy",
+	"eighty",
+	"ninety"
+};
+char	line[100];
+main()
+{
+	register c, i, fraction;
+	int r;
+
+
+	fraction = 0;
+	while(c = getchar()) {
+		if(!digit(c))  {
+			fraction = (c == '.');
+			putchar(c);
+			continue;
+		}
+		if(fraction) {
+			while(digit(c)) {
+				putchar(' ');
+				putchar(c);
+				if(!(c=getchar()))
+					exit(1);
+			}
+			putchar(' ');
+			goto out;
+		}
+
+		putchar(' ');
+		i = 0;
+		line[i++] = '0';
+		line[i++] = '0';
+		while(c == '0')
+			if(!(c=getchar()))
+				exit(1);
+		while(digit(c)) {
+			if(i < 98)
+				line[i++] = c;
+			if(!(c=getchar()))
+				exit(1);
+		}
+		line[i] = 0;
+		r = i/3;
+		if(r == 0) {
+			print("zero");
+			goto out;
+		}
+		conv(line+i-3*r, r);
+
+out:
+		fraction = (c == '.');
+		nline();
+		printf("...\n");
+		if(c != '\n')
+			putchar(c);
+	}
+}
+
+conv(p, c)
+char *p;
+{
+
+	if(c > max) {
+		conv(p, c-max);
+		print(card[max]);
+		nline();
+		p += (c-max)*3;
+		c = max;
+	}
+	while(c > 1) {
+		c--;
+		conv(p, 1);
+		cprint(card[c]);
+		nline();
+		p += 3;
+	}
+	ones(p[0]);
+	cprint(card[0]);
+	tens(p);
+	ones(p[2]);
+}
+
+ones(d)
+{
+	if(d=='0')
+		return;
+	print(unit[d-'0']);
+}
+
+tens(p)
+char *p;
+{
+
+	switch(p[1]) {
+
+	case '0':
+		return;
+
+	case '1':
+		print(teen[p[2]-'0']);
+		p[2] = '0';
+		return;
+	}
+
+	print(decade[p[1]-'0']);
+}
+
+
+digit(c)
+{
+
+	if(c < '0' || c > '9')
+		return(0);
+	return(1);
+}
+
+nline()
+{
+
+	if(flag)
+		printf(".\n");
+	flag = 0;
+}
+
+cprint(s)
+{
+
+	if(flag)
+		print(s);
+}
+
+print(s)
+{
+
+	if(flag)
+		printf(" ");
+	printf(s);
+	flag = 1;
+}