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pcre2_substring_copy_bynumber.html

pcre2_substring_copy_bynumber.html 1.8 KB
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  1. <html>
    2. 

  2. <head>
    3. 

  3. <title>pcre2_substring_copy_bynumber specification</title>
    4. 

  4. </head>
    5. 

  5. <body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB">
    6. 

  6. <h1>pcre2_substring_copy_bynumber man page</h1>
    7. 

  7. <p>
    8. 

  8. Return to the <a href="index.html">PCRE2 index page</a>.
    9. 

  9. </p>
    10. 

  10. <p>
    11. 

  11. This page is part of the PCRE2 HTML documentation. It was generated
    12. 

  12. automatically from the original man page. If there is any nonsense in it,
    13. 

  13. please consult the man page, in case the conversion went wrong.
    14. 

  14. <br>
    15. 

  15. <br><b>
    16. 

  16. SYNOPSIS
    17. 

  17. </b><br>
    18. 

  18. <P>
    19. 

  19. <b>#include &#60;pcre2.h&#62;</b>
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  20. </P>
    21. 

  21. <P>
    22. 

  22. <b>int pcre2_substring_copy_bynumber(pcre2_match_data *<i>match_data</i>,</b>
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  23. <b>  uint32_t <i>number</i>, PCRE2_UCHAR *<i>buffer</i>,</b>
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  24. <b>  PCRE2_SIZE *<i>bufflen</i>);</b>
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  25. </P>
    26. 

  26. <br><b>
    27. 

  27. DESCRIPTION
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  28. </b><br>
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  29. <P>
    30. 

  30. This is a convenience function for extracting a captured substring into a given
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  31. buffer. The arguments are:
    32. 

  32. <pre>
    33. 

  33.   <i>match_data</i>    The match data block for the match
    34. 

  34.   <i>number</i>        Number of the required substring
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  35.   <i>buffer</i>        Buffer to receive the string
    36. 

  36.   <i>bufflen</i>       Length of buffer
    37. 

  37. </pre>
    38. 

  38. The <i>bufflen</i> variable is updated with the length of the extracted string,
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  39. excluding the terminating zero. The yield of the function is zero for success
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  40. or one of the following error numbers:
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  41. <pre>
    42. 

  42.   PCRE2_ERROR_NOSUBSTRING   there are no groups of that number
    43. 

  43.   PCRE2_ERROR_UNAVAILBLE    the ovector was too small for that group
    44. 

  44.   PCRE2_ERROR_UNSET         the group did not participate in the match
    45. 

  45.   PCRE2_ERROR_NOMEMORY      the buffer is too small
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  46. 

  47. </PRE>
    48. 

  48. </P>
    49. 

  49. <P>
    50. 

  50. There is a complete description of the PCRE2 native API in the
    51. 

  51. <a href="pcre2api.html"><b>pcre2api</b></a>
    52. 

  52. page and a description of the POSIX API in the
    53. 

  53. <a href="pcre2posix.html"><b>pcre2posix</b></a>
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  54. page.
    55. 

  55. <p>
    56. 

  56. Return to the <a href="index.html">PCRE2 index page</a>.
    57. 

  57. </p>
    58.