extern int x1f4_line_e2list (void **e2list, void *e2line, int pre);
x1f4_line_e2list function constructs an allocation manager as
requested by the
e2line record and stores the
address of the construct at the
e2list address. It preallocates
temporaries memory if
pre is not zero.
See struct x1f4_e2line_type.
The function returns
0 for success, non zero for failure.