110     unsigned int aused; // arena memory used  member
231         c->str = mut->aused;  in mut_step_i()
233         char *a = mut->arena + mut->aused;  in mut_step_i()
235         mut->aused += len;  in mut_step_i()
359         c->str = mut->aused;  in mut_step_i()
361         char *a = mut->arena + mut->aused;  in mut_step_i()
363         mut->aused += len;  in mut_step_i()
399         c->str = mut->aused;  in mut_step_i()
401         char *a = mut->arena + mut->aused;  in mut_step_i()
403         mut->aused += len;  in mut_step_i()
517     char *a = mut->arena + mut->aused;  in mut_step_i()
536         mut->aused += clen + 1;  in mut_step_i()
544         c->str = mut->aused;  in mut_step_i()
547         mut->aused += len;  in mut_step_i()
599         c->str.str = mut->aused;  in mut_step_i()
601         char *a = mut->arena + mut->aused;  in mut_step_i()
603         mut->aused += len;  in mut_step_i()
933     if (size != mut->aused) {  in mcp_mutator_new()