861     for (int x = 0; x < mcp_mut_step_final; x++) {  in mcp_mutator_steptype()  local
862         const struct mcp_mut_entry *e = &mcp_mut_entries[x];  in mcp_mutator_steptype()
864             return x;  in mcp_mutator_steptype()
876     for (int x = 1; x <= argc; x++) {  in mcp_mutator_new()  local
877         luaL_checktype(L, x, LUA_TTABLE);  in mcp_mutator_new()
878         if (lua_getfield(L, x, "t") != LUA_TNIL) {  in mcp_mutator_new()
882                 proxy_lua_ferror(L, "mutator step %d: step incompatible with mutator type", x);  in mcp_mutator_new()
885                 proxy_lua_ferror(L, "mutator step %d: unknown step type", x);  in mcp_mutator_new()
887             size += e->c(L, x);  in mcp_mutator_new()
916     for (int x = 1; x <= argc; x++) {  in mcp_mutator_new()  local
917         if (lua_getfield(L, x, "t") != LUA_TNIL) {  in mcp_mutator_new()
920             mcp_mut_entries[st].i(L, x, scount, mut);  in mcp_mutator_new()
944     for (int x = 0; x < mut->scount; x++) {  in _mcp_mut_run_total()  local
945         struct mcp_mut_step *s = &mut->steps[x];  in _mcp_mut_run_total()
947         int len = s->n(run, s, &parts[x]);  in _mcp_mut_run_total()
966     for (int x = 0; x < mut->scount; x++) {  in _mcp_mut_run_assemble()  local
967         struct mcp_mut_step *s = &mut->steps[x];  in _mcp_mut_run_assemble()
972         if (s->r(run, s, &parts[x]) < 0) {  in _mcp_mut_run_assemble()