.BI " const char *" name ", const char *" value );
.BI "void env_import(sym_table *" t ", char **" env );
.BI "char **env_export(sym_table *" t );
.BI " const char *" name ", const char *" value );
.BI "void env_import(sym_table *" t ", char **" env );
.BI "char **env_export(sym_table *" t );