Routine Name:	getfield

Description:	Returns value of field in data structure of specified element.

Usage:		getfield [pathname] field

		field-value = {getfield pathname field}

		pathname	path specification
				defaults to current working element

		field		name of field in element data structure
		

Example:	echo {getfield /cell/soma Vm}
		setfield /cell/soma Rm {getfield /form/Rm_dialog value}

Notes:		The getfield routine returns the value of fields in the
		specified path.

See also:	setfield, showfield, getfieldnames

