Add empty implementations of the remote API

src/api.c

@@ -0,0 +1,112 @@
+#include <stdint.h>
+#include <stdlib.h>
+
+#include "api.h"
+
+void api_push_keys(char *str)
+{
+  abort();
+}
+
+void api_command(char *str)
+{
+  abort();
+}
+
+void api_eval(char *str)
+{
+  abort();
+}
+
+uint32_t api_bind_eval(char *str)
+{
+  abort();
+}
+
+char **api_list_runtime_paths()
+{
+  abort();
+}
+
+char **api_list_buffers(void)
+{
+  abort();
+  return NULL;
+}
+
+char **api_list_windows(void)
+{
+  abort();
+  return NULL;
+}
+
+char **api_list_tabpages(void)
+{
+  abort();
+  return NULL;
+}
+
+char *api_get_current_line(void)
+{
+  abort();
+  return NULL;
+}
+
+uint32_t api_get_current_buffer(void)
+{
+  abort();
+  return 0;
+}
+
+uint32_t api_get_current_window(void)
+{
+  abort();
+  return 0;
+}
+
+uint32_t api_get_current_tabpage(void)
+{
+  abort();
+  return 0;
+}
+
+void api_set_current_line(char *line)
+{
+  abort();
+}
+
+void api_set_current_buffer(uint32_t id)
+{
+  abort();
+}
+
+void api_set_current_window(uint32_t id)
+{
+  abort();
+}
+
+void api_set_current_tabpage(uint32_t id)
+{
+  abort();
+}
+
+char *api_get_option(char *name)
+{
+  abort();
+  return NULL;
+}
+
+void api_set_option(char *name, char *value)
+{
+  abort();
+}
+
+void api_out_write(char *str)
+{
+  abort();
+}
+
+void api_err_write(char *str)
+{
+  abort();
+}