03-23-2011
No, they're completely different... The variables in a C program start as binary, and one of sprintf's jobs is to convert binary into ASCII. You're converting binary numbers into an ASCII string then writing the ASCII string to file.
My example doesn't convert -- it writes the variable direct, as binary. You could read them in as ASCII with with fgets and sscanf, then just write them back out raw as binary.
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LTRIM(3) 1 LTRIM(3)
ltrim - Strip whitespace (or other characters) from the beginning of a string
SYNOPSIS
string ltrim (string $str, [string $character_mask])
DESCRIPTION
Strip whitespace (or other characters) from the beginning of a string.
PARAMETERS
o $str
- The input string.
o $character_mask
- You can also specify the characters you want to strip, by means of the $character_mask parameter. Simply list all characters
that you want to be stripped. With .. you can specify a range of characters.
RETURN VALUES
This function returns a string with whitespace stripped from the beginning of $str. Without the second parameter, ltrim(3) will strip
these characters:
o " " (ASCII
32 ( 0x20)), an ordinary space.
o " " (ASCII
9 ( 0x09)), a tab.
o "
" (ASCII
10 ( 0x0A)), a new line (line feed).
o "
" (ASCII
13 ( 0x0D)), a carriage return.
o "