exec.h

#include "tree.h"

#ifndef hexec
#define hexec

#define EXEC_H

struct backgrndList 
  {
    int pid;
    struct backgrndList *next;
  } ;

typedef struct backgrndList * PList;

void exec_com(Tree , PList *);

void print_pid(PList );

void del_all_pid(PList );

void clear_zombie(PList *);

/*extern intlist *bckgrnd;
extern jmp_buf begin;
extern int exit_val;

void add_elem (intlist **, int);
void print_intlist(intlist *);
void clear_intlist(intlist *);
void clear_zombie(intlist **);
int is_com(tree *);
int exec_cd(tree *);
int exec_clear();
int sh_com(tree *);
void chng_iofiles(int, int, tree *);
int exec_com_sh(tree *);
int exec_com_list(tree *, int);
int exec_conv(tree *, int);
int exec_command(tree *, int, int, int, int, intlist **);
int exec_simple_com(tree *, int, int, int, int, intlist **);*/

#endif