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diff --git a/unproto/unproto.1 b/unproto/unproto.1 new file mode 100644 index 0000000..671e917 --- /dev/null +++ b/unproto/unproto.1 @@ -0,0 +1,79 @@ +.TH UNPROTO 1 +.ad +.fi +.SH NAME +unproto +\- +ANSI C to old C converter +.SH PACKAGE +.na +.nf +unproto +.SH SYNOPSIS +.na +.nf +/lib/cpp ... | unproto + +/somewhere/cpp ... +.SH DESCRIPTION +.ad +.fi +This document describes a filter that sits between the +C preprocessor (usually \fI/lib/cpp\fP) and the next C compiler +pass. It rewrites ANSI-C style function headers, function type +declarations, function pointer types, and function pointer casts +to old style. Other ANSI-isms are passed on without modification +(token pasting, pragmas, etcetera). + +For maximal flexibility, the "cpp | unproto" pipeline can be +packaged as an executable shell script named "/somewhere/cpp". +This script should then be specified to the C compiler as a +non-default preprocessor. + +The overhead of shell script interpretation can be avoided by +having the unprototyper itself open the pipe to the preprocessor. +In that case, the source should be compiled with the PIPE_THROUGH_CPP +macro defined (usually as "/lib/cpp"), and the resulting binary +should be installed as "/somewhere/cpp". +.SH SEE ALSO +.na +.nf +.ad +.fi +cc(1), how to specify a non-default C preprocessor. + +Some versions of the lint command are implemented as a shell +script. It should require only minor modification for integration +with the unprotoizer. Other versions of the lint command accept the same +command syntax as the C compiler for the specification of a non-default +preprocessor. Some research may be needed. +.SH DIAGNOSTICS +.ad +.fi +The progam will complain if it unexpectedly +reaches the end of input. +.SH BUGS +.ad +.fi +Should be run on preprocessed source only, i.e. after macro expansion. + +Declarations of (whatever) are misunderstood and will result in +syntax errors. + +Does not generate explicit type casts for function argument +expressions. +.SH AUTHOR(S) +.na +.nf +Wietse Venema (wietse@wzv.win.tue.nl) +Eindhoven University of Technology +Department of Mathematics and Computer Science +Den Dolech 2, P.O. Box 513, 5600 MB Eindhoven, The Netherlands +.SH LAST MODIFICATION +.na +.nf +91/09/22 21:21:35 +.SH VERSION/RELEASE +.na +.nf +1.2 |