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PCRE(3)
NAME
  PCRE - Perl-compatible regular expressions

SYNOPSIS
  #include <pcre.h>

  int pcre_fullinfo(const pcre *code, const pcre_extra *extra,
       int what, void *where);

DESCRIPTION
  This function returns information about a compiled pattern. Its arguments
  are:

    code    Compiled regular expression
    extra   Result of pcre_study() or NULL
    what    What information is required
    where   Where to put the information

  The following information is available:

    PCRE_INFO_BACKREFMAX     Number of highest back reference
    PCRE_INFO_CAPTURECOUNT   Number of capturing subpatterns
    PCRE_INFO_FIRSTBYTE	     Fixed first byte for a match, or
			       -1 for start of string
				  or after newline, or
			       -2 otherwise
    PCRE_INFO_FIRSTTABLE     Table of first bytes
			       (after studying)
    PCRE_INFO_LASTLITERAL    Literal last byte required
    PCRE_INFO_NAMECOUNT	     Number of named subpatterns
    PCRE_INFO_NAMEENTRYSIZE  Size of name table entry
    PCRE_INFO_NAMETABLE	     Pointer to name table
    PCRE_INFO_OPTIONS	     Options used for compilation
    PCRE_INFO_SIZE	     Size of compiled pattern

  The yield of the function is zero on success or:

    PCRE_ERROR_NULL	  the argument code was NULL
			  the argument where was NULL
    PCRE_ERROR_BADMAGIC	  the "magic number" was not found
    PCRE_ERROR_BADOPTION  the value of what was invalid

  There is a complete description of the PCRE API in the pcreapi page.

Index for Section 3

Alphabetical listing for P

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