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Top Forums Programming segmentation fault for extern Post 302439079 by Corona688 on Wednesday 21st of July 2010 04:59:50 PM
Old 07-21-2010
More specifically: A pointer is an integer variable that holds a memory address. It takes a small and fixed number of bytes. You're using it to point to memory stored elsewhere.

When you define it as an array, you're telling it that all the memory for that array is stored at the memory address of the pointer, not the memory address stored in the pointer. It expects 80 bytes of data right there, not where it points to.

You could do "extern int arr[]" perhaps. That way you're telling it it's an array, as you'd expect, but the size at least wouldn't have to be known.
 

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DJVU2HOCR(1)							 djvu2hocr manual						      DJVU2HOCR(1)

NAME
djvu2hocr - DjVu to hOCR converter SYNOPSIS
djvu2hocr [option...] djvu-file djvu2hocr {--version | --help | -h} DESCRIPTION
djvu2hocr converts hidden text from a DjVu file to the hOCR[1] format. OPTIONS
Text segmentation options --word-segmentation=simple Use the same word segmentation as found in the DjVu file. This is the default. --word-segmentation=uax29 Use the Unicode Text Segmentation[2] algorithm to break lines into words, possibly fixing word segmentation found in the DjVu file. Other options --version Output version information and exit. -h, --help Display help and exit. PORTABILITY
djvu2hocr uses a custom extension to hOCR to retain characters which cannot be directly represented in an HTML/XML document. For example, control character BEL (^G, U+0007), is converted into the following HTML chunk: <span class="djvu_char" title="#x07"> </span> SEE ALSO
djvu(1) AUTHOR
Jakub Wilk <jwilk@jwilk.net> Author. NOTES
1. hOCR http://docs.google.com/View?docid=dfxcv4vc_67g844kf 2. Unicode Text Segmentation http://unicode.org/reports/tr29/ djvu2hocr 0.7.9 03/10/2012 DJVU2HOCR(1)
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