95     enum mcp_mut_step_arg arg; // common: type of input argument  member
126     void *arg;  member
751             s->arg = mcp_mut_step_arg_request;  in mut_step_i()
753             s->arg = mcp_mut_step_arg_response;  in mut_step_i()
755             s->arg = mcp_mut_step_arg_string;  in mut_step_i()
757             s->arg = mcp_mut_step_arg_int;  in mut_step_i()
776     switch (s->arg) {  in mut_step_n()
1002         mcp_request_t *rq = run->arg;  in mcp_mut_run()
1034         mcp_resp_t *rs = run->arg;  in mcp_mut_run()
1133     void *arg = lua_touserdata(L, 2);  in mcplib_mutator_call()  local
1135     struct mcp_mut_run run = {L, mut, arg, NULL, NULL, 0};  in mcplib_mutator_call()