HP Fortran Programmer's Reference (September 2007)

BLAS and libU77 libraries
libU77 routines
Chapter 12 655
TSTATE Allows the user to determine the logical state of the tape I/O channel and to
see the tape drive control status register.
INTEGER FUNCTION TSTATE (
tlu
,
fileno
,
recno
,
errf
,
eoff
,
eotf
,
tcsr
)
INTEGER ::
tlu
,
fileno
,
recno
,
tcsr
LOGICAL ::
errf
,
eoff
,
eotf
TTYNAM Returns a blank padded path name of the terminal device associated with a
specified logical unit number.
CHARACTER(LEN=*) FUNCTION TTYNAM (
lunit
)
INTEGER ::
lunit
TWRITE Writes a physical record to tape from the specified buffer.
INTEGER FUNCTION TWRITE (
tlu
,
buffer
)
INTEGER ::
tlu
CHARACTER(LEN=*) ::
buffer
UNLINK Removes a specified directory entry.
INTEGER FUNCTION UNLINK (
name
)
CHARACTER(LEN=*) ::
name
WAIT Waits for a process to terminate.
INTEGER FUNCTION WAIT (
status
)
INTEGER ::
status
Table 12-3 libU77 routines (Continued)
Name Description and signature