commit c4d09d889b490e037088cc0bfd290f273ea8dca4
from: jrmu <jrmu@ircnow.org>
date: Tue Jan 20 01:35:04 2026 UTC

Adding code solutions up until 1-10.c

commit - 7bdbee065bfa8d12eda731448540f5935d938f71
commit + c4d09d889b490e037088cc0bfd290f273ea8dca4
blob - /dev/null
blob + 988f4bbeb82ce6dc19e2e3bd99edd391fba385d3 (mode 644)
--- /dev/null
+++ 1-10.c
@@ -0,0 +1,20 @@
+/* 1-10 Write a program to copy its input to its output, replacing each tab by
+ * \t, each backspace by \b, and each backslash by \\. This makes tabs and
+ * backspaces visible in an unambiguous way. */
+
+#include <stdio.h>
+int main() {
+	int c;
+	enum { out, in } word; /* indicates whether inside a word */
+	while ((c = getchar()) != EOF) {
+		if (c == ' ' || c == '\t') {
+			if (word == in) {
+				putchar(' ');
+			}
+			word = out;
+		} else {
+			putchar(c);
+			word = in;
+		}
+	}
+}
blob - /dev/null
blob + 932b8a6f8d34a15c2115ae5066f6d6804bfbeaeb (mode 644)
--- /dev/null
+++ 1-8-2.c
@@ -0,0 +1,18 @@
+/* 1-8 Write a program to count blanks, tabs, and newlines. */
+
+#include <stdio.h>
+int main() {
+	int c;
+	int bl, tb, nl, ws;
+	bl = tb = nl = ws = 0;
+	while ((c = getchar()) != EOF) {
+		if (c == ' ') {
+			bl++; ws++;
+		} else if (c == '\t') {
+			tb++; ws++;
+		} else if (c == '\n') {
+			nl++; ws++;
+		}
+	}
+	printf("Blanks: %d, Tabs: %d, Newlines: %d, White space: %d\n", bl, tb, nl, ws);
+}
blob - /dev/null
blob + 7b7ada2f4b4c6185fe68ce5570609f972bb204aa (mode 644)
--- /dev/null
+++ 1-8-text
@@ -0,0 +1,2 @@
+"_Stoop, stoop!_" I did not understand him, till I felt my head hit against the
+beam.
blob - /dev/null
blob + 04d5d58fc12b9effe87cfcab350527ab64f6ac1c (mode 644)
--- /dev/null
+++ 1-8.c
@@ -0,0 +1,13 @@
+/* 1-8 Write a program to count blanks, tabs, and newlines. */
+
+#include <stdio.h>
+int main() {
+	int c;
+	int ws = 0;
+	while ((c = getchar()) != EOF) {
+		if (c == ' ' || c == '\t' || c == '\n') {
+			ws++;
+		}
+	}
+	printf("White space: %d\n", ws);
+}
blob - /dev/null
blob + 4af251ab0bcbebecef04a1c419ac100231e31b6b (mode 644)
--- /dev/null
+++ 1-9-2.c
@@ -0,0 +1,19 @@
+/* 1-9 Write a program to copy its input to its output, replacing each string
+ * of one or more blanks by a single blank. */
+
+#include <stdio.h>
+int main() {
+	int c;
+	enum { out, in } word; /* indicates whether inside a word */
+	while ((c = getchar()) != EOF) {
+		if (c == ' ' || c == '\t') {
+			if (word == in) {
+				putchar(' ');
+			}
+			word = out;
+		} else {
+			putchar(c);
+			word = in;
+		}
+	}
+}
blob - /dev/null
blob + 298797d256d5747f7d6a176d558d92df054d4425 (mode 644)
--- /dev/null
+++ 1-9-text
@@ -0,0 +1,4 @@
+"    _Stoop, 			stoop!_"
+I     did  	   	not understand		him,
+		till I felt     my head	hit	 against the
+     beam.
blob - /dev/null
blob + a0c626dc66c6584e9904398fa769d3eeba42c1b5 (mode 644)
--- /dev/null
+++ 1-9.c
@@ -0,0 +1,19 @@
+/* 1-9 Write a program to copy its input to its output, replacing each string
+ * of one or more blanks by a single blank. */
+
+#include <stdio.h>
+int main() {
+	int c;
+	int inside = 1; /* 1 when inside a word, 0 otherwise */
+	while ((c = getchar()) != EOF) {
+		if (c == ' ' || c == '\t') {
+			if (inside == 1) {
+				putchar(' ');
+			}
+			inside = 0;
+		} else {
+			putchar(c);
+			inside = 1;
+		}
+	}
+}