VarName_Get
cp = VarName_Get(cp, arg, NULL, true, find_cond);
arg = VarName_Get(line, &name, NULL, true, find_op1);
tstr = VarName_Get(str+2, name, ctxt, false, find_pos(str[1]));
extern const char *VarName_Get(const char *, struct Name *, SymTable *,