The quineHEADmaster

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+// SPDX-FileCopyrightText: 2024 Tomasz Kramkowski <tomasz@kramkow.ski>
+// SPDX-LicenseIdentifier: GPL-3.0-or-later
+
+// A tool to produce escaped C strings.
+// Only escapes tabs, newlines, double quotes and backslashes.
+
+#include <stdio.h>
+
+int main(void)
+{
+	int c;
+	while (c = getchar(), c != EOF) {
+		switch (c) {
+		case '\t': fputs("\\t", stdout); break;
+		case '\n': fputs("\\n", stdout); break;
+		case '"': fputs("\\\"", stdout); break;
+		case '\\': fputs("\\\\", stdout); break;
+		default: putchar(c); break;
+		}
+	}
+}