sym_insert
struct sym_test **sym_insert = &sym_tests;
*sym_insert = st;
sym_insert = &st->st_next;
sym_insert(mp, mp->strings + sp->st_name, i);
static void sym_insert(struct module *, char *, symid_t);
sym_insert(mp, name, nsyms);
sym_insert(mp, symname, i);
sym_insert(mp, mp->strings + sp->st_name, i);