.TH RATFOR 1.SH NAMEratfor \- rational Fortran dialect.SH SYNOPSIS.B ratfor[ option ... ][ filename ... ].SH DESCRIPTION.I Ratforconverts a rational dialect of Fortran into ordinary irrational Fortran..I Ratforprovides control flow constructs essentially identical to those in C:.TPstatement grouping:.nf{ statement; statement; statement }.TPdecision-making:if (condition) statement [ else statement ].brswitch (integer value) {	case integer:	statement	...	[ default: ]	statement}.TPloops:while (condition) statementfor (expression; condition; expression) statementdo limits statementrepeat statement [ until (condition) ]break [n]next [n].LPand some syntactic sugar to make programs easier to read and write:.TPfree form input:multiple statements/line; automatic continuation.TPcomments:# this is a comment.TPtranslation of relationals:>, >=, etc., become .GT., .GE., etc..TPreturn (expression)returns expression to caller from function.TPdefine:define name replacement.TPinclude:include filename.PP.fiThe option.B \-hcauses quoted strings to be turned into27H constructs..B \-Ccopies comments to the output, and attemptsto format it neatly.Normally, continuation lines are marked with a &in column 1;the option.B \-6xmakes the continuation character.B xand places it in column 6..PP.I Ratforis best used with.IR f77 (1)..SH "SEE ALSO"f77(1).brB. W. Kernighan and P. J. Plauger,.IR "Software Tools" ,Addison-Wesley, 1976.