[TUHS] why the leading under score added to function names?

John Cowan cowan at mercury.ccil.org
Tue Feb 21 13:33:39 AEST 2012

Warner Losh scripsit:

> Also, the fortran compiler would emit entry_ to as to not conflict
> either.  Made calling C from Fortran, and vice versa, a lot of fun...

Unix f77 emitted _foo_, that is, what C saw as foo_.  In effect you
could call arbitrary Fortran routines from C, but not really vice versa:
in order to do so, the C functions had to have names ending in _ and use
the f77 type system.

A rabbi whose congregation doesn't want         John Cowan
to drive him out of town isn't a rabbi,         http://www.ccil.org/~cowan
and a rabbi who lets them do it                 cowan at ccil.org
isn't a man.    --Jewish saying

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