Solve Exercises 1-1 to 1-12

It was bugging me and the exercises are simple, so I pumped'em out.

1 files changed, 33 insertions, 0 deletions

diff --git a/1-10_literal-escapes.c b/1-10_literal-escapes.c
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+#include <stdio.h>
+
+/* The C Programming Language, 2nd Edition
+ *
+ * Exercise 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.
+ *
+ * Answer: Run a loop with getchar() and check its value. When you run into a
+ * tab, backspace, or backslash, just output the two characters and move on.
+ */
+
+int main(void) {
+	char c;
+
+	while ((c = getchar()) != EOF) {
+		if (c == '\t') {
+			printf("\\t");
+			continue;
+		}
+		if (c == '\b') {
+			printf("\\b");
+			continue;
+		}
+		if (c == '\\') {
+			printf("\\\\");
+			continue;
+		}
+		putchar(c);
+	}
+
+	return 0;
+}