symtab_insert
rc = symtab_insert(s, key, booldatum);
rc = symtab_insert(s, key, perdatum);
rc = symtab_insert(s, key, comdatum);
rc = symtab_insert(s, key, cladatum);
rc = symtab_insert(s, key, role);
rc = symtab_insert(s, key, typdatum);
rc = symtab_insert(s, key, usrdatum);
rc = symtab_insert(s, key, levdatum);
rc = symtab_insert(s, key, catdatum);
rc = symtab_insert(&p->p_roles, key, role);
int symtab_insert(struct symtab *s, char *name, void *datum);