/*
* UNIX shell
*
* S. R. Bourne
* Bell Telephone Laboratories
*
*/
#define LOCAL static
#define PROC extern
#define TYPE typedef
#define STRUCT TYPE struct
#define UNION TYPE union
#define REG register
#define IF if(
#define THEN ){
#define ELSE } else {
#define ELIF } else if (
#define FI ;}
#define BEGIN {
#define END }
#define SWITCH switch(
#define IN ){
#define ENDSW }
#define FOR for(
#define WHILE while(
#define DO ){
#define OD ;}
#define REP do{
#define PER }while(
#define DONE );
#define LOOP for(;;){
#define POOL }
#define SKIP ;
#define DIV /
#define REM %
#define NEQ ^
#define ANDF &&
#define ORF ||