Most of a C implementation of jq

c/execute.h

@@ -0,0 +1,14 @@
+#include "opcode.h"
+#define MAX_CFUNCTION_PARAM 10
+typedef struct {
+  json_t* value;
+  int pathidx;
+} stackval;
+
+typedef void (*cfunction_ptr)(stackval* input, stackval* output);
+
+struct cfunction {
+  cfunction_ptr fptr;
+  const char* name;
+  opcode callop;
+};