1 files changed, 10 insertions, 0 deletions
diff --git a/c/cat.c b/c/cat.c
new file mode 100644
index 0000000..4092778
--- /dev/null
+++ b/c/cat.c
@@ -0,0 +1,10 @@
+#include "gbos.h"
+/* cat: copy stdin to stdout until EOF (Ctrl-D / pipe end). */
+void main(void) {
+    char c;
+    for (;;) {
+        c = readc();
+        if (c == EOF) break;
+        putc(c);
+    }
+}