65 lines
1.6 KiB
Groff
65 lines
1.6 KiB
Groff
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. \" @(#)patcompile.3 1.3 16/01/27 Copyright 1985,1995-2016 J. Schilling
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. \" Manual Seite fuer patcompile
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. \"
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.if t .ds a \v'-0.55m'\h'0.00n'\z.\h'0.40n'\z.\v'0.55m'\h'-0.40n'a
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.if t .ds o \v'-0.55m'\h'0.00n'\z.\h'0.45n'\z.\v'0.55m'\h'-0.45n'o
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.if t .ds u \v'-0.55m'\h'0.00n'\z.\h'0.40n'\z.\v'0.55m'\h'-0.40n'u
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.if t .ds A \v'-0.77m'\h'0.25n'\z.\h'0.45n'\z.\v'0.77m'\h'-0.70n'A
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.if t .ds O \v'-0.77m'\h'0.25n'\z.\h'0.45n'\z.\v'0.77m'\h'-0.70n'O
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.if t .ds U \v'-0.77m'\h'0.30n'\z.\h'0.45n'\z.\v'0.77m'\h'-0.75n'U
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.if t .ds s \(*b
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.if n .ds a ae
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.if n .ds o oe
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.if n .ds u ue
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.if n .ds A Ae
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.if n .ds O Oe
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.if n .ds s sz
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.TH PATCOMPILE 3 "15. Juli 1988" "J\*org Schilling" "Schily\'s LIBRARY FUNCTIONS"
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.SH NAME
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patcompile() \- compiles a matching pattern
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.SH SYNOPSIS
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.nf
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.B
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int patcompile(pattern, length, aux)
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.B char *pattern;
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.B int length;
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.B int aux[];
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.fi
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.SH DESCRIPTION
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.B patcompile()
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compiles a pattern into an internal form which
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.BR patmatch (3)
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can use.
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.PP
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The string at
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.I pattern
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with size
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.I length
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is scanned. The array
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.B aux
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is filled in with state information for
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.BR patmatch (3).
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.B aux
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should have at least
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.I length
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elements.
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.SH RETURNS
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Returns 0 if the pattern contains an error.
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.PP
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Other values should be passed to
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.BR patmatch (3)
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as the
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.B alt
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argument.
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.SH "SEE ALSO
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.BR match (1)
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.PP
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For a description ot the regular expressions.
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.SH NOTES
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The pattern matching functions are based on ones presented by
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Martin Richards in "A Compact Function for Regular Expression
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Pattern Matching", Software-Practice and Experience vol 9,
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527-534 (1979).
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