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key_t type

 
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# 1  
Old 11-05-2010
key_t type
I would like to print value of key generate like this....

Code:
key_t k = ftok(".",'c');
printf("key is %d \n" , k);

Is there other way to print this type. I dont think I am getting right output which is
key is 1662074913 (shouldn't it be 6362074913) since 'c' is 63 in hex (ascii table). Instead of using %d is there other way to do this.
Last edited by joker40; 11-05-2010 at 07:32 PM.. Reason: adding
# 2  
Old 11-06-2010
keys are indeed ordinary integers, at least on my system, but if you're looking for a hex value you should print with %x. Right now you're printing base-ten, which of course won't show a hexadecimal 63 anywhere.

For a more complete listing of printf's formatting specifiers, see man 3 printf.
This User Gave Thanks to Corona688 For This Post:
joker40
# 3  
Old 11-07-2010
Up to recently key_t was an opaque type. Now, as a result of Austin Group Interpretation 1003.1-2001 #033, POSIX.1-2008 requires key_t to be an arithmetic type.
 
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