C-Fortran cocktail ('6000)
Russell A. Heise
RAH at IBM.COM
Thu Oct 11 00:59:18 AEST 1990
3003jalp at ucsbuxa.ucsb.edu (Applied Magnetics) writes:
> Where are the linkage conventions of xlc and xlf documented? I
> occasionally need to write a Fortran-callable primitive in C. The
> tricky bit this time is for my C code to find the blank common.
You can find a wealth of information on linkage conventions in
InfoExplorer by searching on the keywords "fortran", "linkage", and
"convention". For quick access to some important concerns, search
separately on the keywords "%VAL" and "%REF". Regarding finding the
blank common, in my research, I have found that it is not accessible
from C. The simplest solution is to name the common. Once the common
is named, you can define it to your C code as a struct with field names
matching the names of the common variables.
Russ Heise, AIX Technical Support, IBM
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