get0/[1,2]
get0(-Char)
get0(
)
get0(+Stream, -Char)
Same as get/[1,2] except that Char includes layout characters.
get/[1,2]
Stream errors (see ref-iou-sfh-est), plus:
existence_error
get/[1,2], ttyget0/1, prompt/[2,3]
ttyget0/1
prompt/[2,3]