Initial commit

1 files changed, 53 insertions, 0 deletions

diff --git a/three/escape.c b/three/escape.c
new file mode 100644
index 0000000..1f1dfe9
--- /dev/null
+++ b/three/escape.c
@@ -0,0 +1,53 @@
+#include <stdio.h>
+
+void
+ctoe()
+{
+	int c;
+	while ((c = getchar()) != EOF) {
+		if (c == '\\') {
+			c = getchar();
+			switch(c) {
+			case 'n':
+				putchar('\n');
+				break;
+			case 't':
+				putchar('\t');
+				break;
+			default:
+				putchar(c);
+				break;
+			}
+		} else {
+			putchar(c);
+		}
+	}
+}
+
+void
+etoc()
+{
+	int c;
+	while ((c = getchar()) != EOF) {
+		switch(c) {
+		case '\n':
+			putchar('\\');
+			putchar('n');
+			break;
+		case '\t':
+			putchar('\\');
+			putchar('t');
+			break;
+		default:
+			putchar(c);
+			break;
+		}
+	}
+}
+
+int
+main()
+{
+	etoc();
+	return 0;
+}