commit 73953fdb119db95c91da4581490e6996437b169f
from: jrmu <jrmu@ircnow.org>
date: Sat Jan 17 19:56:41 2026 UTC

Import sources

commit - /dev/null
commit + 73953fdb119db95c91da4581490e6996437b169f
blob - /dev/null
blob + a839d8f54b802567f23849f55621c47861478a60 (mode 644)
--- /dev/null
+++ 1-1.c
@@ -0,0 +1,10 @@
+/*
+1-1. Run the "hello, world" program on your system. Experiment with leaving out parts of the program, to see what error messages you get.
+*/
+
+#include <stdio.h>
+
+int main()
+{
+	printf("hello, world\n");
+}
blob - /dev/null
blob + 48e083557f3fd4b452e32261706af3a6e3bd4ef4 (mode 644)
--- /dev/null
+++ 1-2.c
@@ -0,0 +1,24 @@
+/*
+1-2. Experiment to find out what happens when printf's argument string contains \c, where c is some character not listed above.
+*/
+
+#include <stdio.h>
+
+int main()
+{
+	printf("Alert\a\n");
+	printf("Back\b\bspace\n");
+	printf("Formfeed and more text\f");
+	printf("Carriage return\r");
+	printf("\tHorizontal tab\n");
+	printf("Vertical tab\v");
+	printf("Some text\n");
+	printf("Backslash\\\n");
+	printf("Question mark\?\n");
+	printf("Single quote\'\n");
+	printf("Double quote\"\n");
+	printf("%d == 0123 is 83 in octal\n", 0123);
+	printf("\123 == \\123 is S in ASCII\n");
+	printf("%d == 0x123 is 291 in hexadecimal\n", 0x123);
+	printf("\x23 == \\x23 is # in ASCII\n");
+}
blob - /dev/null
blob + ec1fae672cd0bcea0bd25c741466cdd65b60b7bb (mode 644)
--- /dev/null
+++ 1-3.c
@@ -0,0 +1,26 @@
+/* 1-3 Modify the temperature conversion program to print a heading above the table */
+
+#include <stdio.h>
+
+/* print Fahrenheit-Celsius table
+    for fahr = 0, 20, ..., 300; floating-point version */
+int main()
+{
+	float fahr, celsius;
+	int lower, upper, step;
+
+	lower = 0;	/* lower limit of temperature table */
+	upper = 300;	/* upper limit */
+	step = 20;	/* step size */
+
+	fahr = lower;
+
+	printf("Fahr | Celsius\n");
+	printf("=====+========\n");
+
+	while (fahr <= upper) {
+		celsius = (5.0/9.0) * (fahr-32.0);
+		printf(" %3.0f | %6.1f\n", fahr, celsius);
+		fahr = fahr + step;
+	}
+}
blob - /dev/null
blob + 8266c81e12ca6a96d0ae9b8f1191b4ccaf60e1c3 (mode 644)
--- /dev/null
+++ 1-4.c
@@ -0,0 +1,26 @@
+/* 1-4 Write a program to print the corresponding Celsius to Fahrenheit table. */
+
+#include <stdio.h>
+
+/* print Celsius-Fahrenheit table
+    for celsius = -20, 0, ..., 160; floating-point version */
+int main()
+{
+	float fahr, celsius;
+	int lower, upper, step;
+
+	lower = -20;	/* lower limit of temperature table */
+	upper = 160;	/* upper limit */
+	step = 20;	/* step size */
+
+	celsius = lower;
+
+	printf("Celsius |  Fahr  \n");
+	printf("========+========\n");
+
+	while (celsius <= upper) {
+		fahr = (9.0/5.0) * celsius + 32.0;
+		printf("   %3.0f  |  %3.0f \n", celsius, fahr);
+		celsius = celsius + step;
+	}
+}
blob - /dev/null
blob + 42bf7af089eac307efb0135ca8c22d1491de93e9 (mode 644)
--- /dev/null
+++ 1-5.c
@@ -0,0 +1,27 @@
+/* 1-5 Modify the temperature conversion program to print the table in reverse
+ * order, that is, from 300 degrees to 0. */
+
+#include <stdio.h>
+
+/* print Fahrenheit-Celsius table
+    for fahr = 300, 280, ..., 0; floating-point version */
+int main()
+{
+	float fahr, celsius;
+	int lower, upper, step;
+
+	upper = 300;	/* upper limit of temperature table*/
+	lower = 0;	/* lower limit */
+	step = 20;	/* step size */
+
+	fahr = upper;
+
+	printf("Fahr | Celsius\n");
+	printf("=====+========\n");
+
+	while (fahr >= lower) {
+		celsius = (5.0/9.0) * (fahr-32.0);
+		printf(" %3.0f | %6.1f\n", fahr, celsius);
+		fahr = fahr - step;
+	}
+}
blob - /dev/null
blob + 5076026e8966084deb5ca13bdc9ff36857e3f418 (mode 644)
--- /dev/null
+++ 1-6.c
@@ -0,0 +1,12 @@
+/* 1-6 Verify that the expression getchar() != EOF is 0 or 1. */
+
+#include <stdio.h>
+
+int main()
+{
+	int i;
+	while ((i = getchar() != EOF)) {
+		printf("%d", i);
+	}
+	printf("%d", i);
+}
blob - /dev/null
blob + 44c5f20f8fcf9c084a0c911b4ce3da8a4d3b9862 (mode 644)
--- /dev/null
+++ 1-7.c
@@ -0,0 +1,8 @@
+/* 1-6 Write a program to print the value of EOF */
+
+#include <stdio.h>
+
+int main()
+{
+	printf("%d\n", EOF);
+}
blob - /dev/null
blob + 2eef88e39e244b31e7c3a11b9b7758db261b54a9 (mode 755)
Binary files /dev/null and a.out differ