#include	"../filenames.h"
#include	"defs.h"



/* Call unix shell for one line */


shell()
{
	INT	pid;
	INT	status;

	IF (pid=fork()) != -1
	THEN	IF pid
		THEN	/* parent */
			WHILE wait(&status)!=pid DONE

		ELSE	/* child */
			oldsigs();
			execl(shellfile, "sh", "-t", 0);
			exit(1);
		FI
	FI
	return(pid);
}