SYM_LEVELS
strcpy(scontextp, sym_name(p, SYM_LEVELS,
sym_name(p, SYM_LEVELS, l->sens - 1));
len += strlen(sym_name(p, SYM_LEVELS, index_sens - 1));
char *name = sym_name(oldp, SYM_LEVELS,
p->sym_val_to_name[SYM_LEVELS][levdatum->level.sens - 1] = key;
#define p_levels symtab[SYM_LEVELS]