pointer typecasting like c in python

Question

I've a c code to type cast a string to an integer via pointer.

char s[]="efgh";
int * p;
p=(int *) s;
printf("%d",*p);

This gives me an output of:

1751606885

Which is a 32 bit integer.

I'm analyzing a network packet in python and need the above functionality in python. I've a string

s="efgh"

and want the above in a 32 bit integer (from the byte level).

How can I do it?

score 8 · Accepted Answer · 2014-04-18 14:10:40Z

8

You can try struct.unpack:

>>> import struct
>>>
>>> struct.unpack('<I', 'efgh')
(1751606885,)
>>>

edited Apr 18, 2014 at 14:10

answered Apr 18, 2014 at 13:55

user1129665

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2 Comments

RatDon Over a year ago

Is there any option to get that value in unsigned int. for my network analysis implementation, I'm getting a negative number. But i need an unsigned one. and can anyone tell me what is happening here?

user1129665 Over a year ago

@RatDon Use I instead of i, read about two's complement.

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