Re^4: How to use 'unsigned char' C data type with Win32::API (&255)


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Re^4: How to use 'unsigned char' C data type with Win32::API (&255)

by sam_bakki (Pilgrim)

on Mar 13, 2012 at 09:41 UTC ( [id://959279]=note: print w/replies, xml )

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in reply to Re^3: How to use 'unsigned char' C data type with Win32::API (&255)
in thread Solved: How to use 'unsigned char' C data type with Win32::API

Hi tye

I suppose to get like below C code's API call.

# C Code
# printf ("\n \n DEV: %d , %c , %x ", i2cGetDeviceAddress(),i2cGetDevi
+ceAddress(),i2cGetDeviceAddress());
#
# Output: DEV: 70 , F , 46
[download]

I used following code get rid of un initialized bytes

$ret = unpack ('C',pack ('i*',$ret)); #This gives 152 but this is not 
+i want :(
[download]

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