hexdump man page on FreeBSD

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HEXDUMP(3)		 BSD Library Functions Manual		    HEXDUMP(3)

NAME
     hexdump — dump a block of bytes to standard out in hexadecimal form

SYNOPSIS
     #include <libutil.h>

     void
     hexdump(void *ptr, int length, const char *hdr, int flags);

DESCRIPTION
     The hexdump() function prints an array of bytes to standard out in hexa‐
     decimal form, along with the ASCII representation of the bytes, if possi‐
     ble.  By default, each line of output will start with an offset count,
     followed by 16 hexadecimal values, followed by 16 ASCII characters.

     ptr     Pointer to the array of bytes to print.  It does not need to be
	     NUL-terminated.

     length  Number of bytes to print.

     hdr     Pointer to a NUL-terminated character string that will be
	     prepended to each line of output.	A value of NULL implies that
	     no header will be printed.

     flags   Flags for controlling the formatting of the output.

	     Bits 0-7	    Integer value of the number of bytes to display on
			    each line.	A value of 0 implies that the default
			    value of 16 will be used.

	     Bits 8-15	    Character ASCII value to use as the separator for
			    the hexadecimal output.  A value of 0 implies that
			    the default value of 32 (ASCII space) will be
			    used.

	     HD_OMIT_COUNT  Do not print the offset column at the beginning of
			    each line.

	     HD_OMIT_HEX    Do not print the hexadecimal values on each line.

	     HD_OMIT_CHARS  Do not print the character values on each line.

SEE ALSO
     ascii(7)

AUTHORS
     This manual page was written by Scott Long.

BSD				 July 1, 2008				   BSD
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