stub C gonna fork for easier w https://stackoverflow.com/questions/28242722/fork-and-wait-calls, https://stackoverflow.com/questions/30476853/how-to-make-a-fifo-in-c

src/c.c

@@ -0,0 +1,29 @@
+#import <stdio.h>
+
+int scatter(int, int);
+int gather(int, int);
+
+int main() {
+   int N = 100;
+   int P = 3;
+
+   if (scatter(N, P)) {
+      printf("failed to scatter\n");
+      return 1;
+   }
+
+   if (gather(N, P)) {
+      printf("failed to gather\n");
+      return 1;
+   }
+
+   return 0;
+}
+
+int scatter(int N, int P) {
+   return 1;
+}
+
+int gather(int N, int P) {
+   return 1;
+}