From 296caf6cce8120bf3537f8ab05ddc4bc7273e859 Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jakob@kaivo.net>
Date: Thu, 13 Sep 2018 16:51:34 -0400
Subject: initial commit

---
 bf.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 bf.c

(limited to 'bf.c')

diff --git a/bf.c b/bf.c
new file mode 100644
index 0000000..ddec8f5
--- /dev/null
+++ b/bf.c
@@ -0,0 +1,19 @@
+#include <stdio.h>
+#define S (1<<16)
+#define I a[1]
+#define D a[0]
+#define C case
+#define B break
+static char d[S], p[S];
+int main(int i, char *a[]) {
+ fread(p, 1, S, fopen(I, "r"));
+ for (D = d, I = p; I < p + S; I++) {
+  switch (i = *I) {
+  C '[': C ']': for (i = '\\' - *I; i < 0 ? *D : !*D; i += *(I += i > 0 ? 1 : -1) == '[' ? 1 : *I == ']' ? -1 : 0); B;
+  C '+': C '-': *D -= i - ','; B;
+  C '<': C '>': D += i - '='; B;
+  C ',': *D = getchar(); B;
+  C '.': putchar(*D); B;
+  }
+ }
+}
-- 
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