64     mcp_mut_r n; // runtime length totaller  member
96     mcp_mut_r n; // totaller function  member
134 #define mut_step_c(n) static int mcp_mutator_##n##_c(lua_State *L, int tidx)  argument
135 #define mut_step_i(n) static int mcp_mutator_##n##_i(lua_State *L, int tidx, int sc, struct mcp_mut…  argument
136 #define mut_step_r(n) static int mcp_mutator_##n##_r(struct mcp_mut_run *run, struct mcp_mut_step *…  argument
137 #define mut_step_n(n) static int mcp_mutator_##n##_n(struct mcp_mut_run *run, struct mcp_mut_step *…  argument
160 static size_t _mut_check_strlen(lua_State *L, int tidx, const char *n) {  in _mut_check_strlen()  argument
163     if (lua_getfield(L, tidx, n) != LUA_TNIL) {  in _mut_check_strlen()
166         proxy_lua_ferror(L, "mutator step %d: must provide '%s' argument", tidx, n);  in _mut_check_strlen()
925             mut->steps[scount].n = mcp_mut_entries[st].n;  in mcp_mutator_new()
947         int len = s->n(run, s, &parts[x]);  in _mcp_mut_run_total()