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TRAIL_ARG - Pass the length of a CHARACTER argument to a FORTRAN routine

Description:
Pass the length of a CHARACTER argument or a CHARACTER array argument element length to a FORTRAN routine if the FORTRAN routine expects to receive it as a separate argument. The corresponding integer variable is handled automatically where it is needed.

Invocation:
TRAIL_ARG(arg)

Arguments:

arg
The name of the CHARACTER or CHARACTER array actual argument being passed.

Examples:

TRAIL_ARG(arg)
will expand as follows:

All Unix: ,arg_length
VAX/VMS:




next up previous 252
Next: Classified List of CNF Functions
Up: Full Description of F77 Macros
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CNF and F77 Mixed Language Programming -- FORTRAN and C
Starlink User Note 209
P.M. Allan
A.J. Chipperfield
R.F. Warren-Smith
19 January 2000
E-mail:ussc@star.rl.ac.uk