Long Long Int Size AbhishekMane I believe the problem with long int b may simply be that long is being considered a separate thing from the rest of the cast int b If you use long b or long int b or even one of typedef long int LI or using LI long int with LI b it works fine I m finding it hard to generate a lot of interest though since C
Strictly speaking unsigned long long isn t standard in C until the C 0x standard unsigned long long is a simple type specifier for the type unsigned long long int so they re synonyms The long long set of types is also in C99 and was a common extension to C compilers even before being standardized According to C99 standard long long is an integer type which is at least 64 bit wide There are two integer 64 bit types specified long long int and unsigned long long int So yes this is the biggest integer type specified by C language standard C99 version There is also long double type specified by C99 It s an extended precision
Long Long Int Size
Long Long Int Size
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Unsigned Long Long Int In C Programming Size Range Of Format
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02 C Programming Data Type Short Long And Int Khmer Computer
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Denoted as Long Size 64 bits 8byte Can hold integers of range 9 223 372 036 854 775 808 to 9 223 372 036 854 775 807 default value is 0L If your usage of a variable falls in the 32 bit range use Int else use long Usually long is used for scientific computations and stuff like that need much accuracy eg value of pi Int unsigned int 16 bits long unsigned long 32 bits long long unsigned long long 64 bits Each signed type has a range that includes the range of the previous type in the list There are no upper bounds It s common for int and long to be 32 and 64 bits respectively
Unsigned long int 0 to 4 294 967 295 This means that no long int cannot be relied upon to store any 10 digit number However a larger type long long int was introduced to C in C99 and C in C 11 this type is also often supported as an extension by compilers built for older standards that did not include it The minimum range for this Type ILP64 LP64 LLP64 char 8 8 8 short 16 16 16 int 64 32 32 long 64 64 32 long long 64 64 64 pointer 64 64 64 The ILP64 system was abandoned in favour of LP64 that is almost all later entrants used LP64 based on the recommendations of the Aspen group only systems with a long heritage of 64 bit operation use a different scheme
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The only thing c compiler promise is that size of short must be equal or less than int and size of long must be equal or more than int So if size of int is 4 then size of short may be 2 or 4 but not larger than that Same is true for long and int It also says that size of short and long can not be same Long is not the same size as int it is at least the same size as int To quote the C 03 standard 3 9 1 2 There are four signed integer types signed char short int int and long int In this list each type provides at least as much storage as those preceding it in the list
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AbhishekMane I believe the problem with long int b may simply be that long is being considered a separate thing from the rest of the cast int b If you use long b or long int b or even one of typedef long int LI or using LI long int with LI b it works fine I m finding it hard to generate a lot of interest though since C

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Strictly speaking unsigned long long isn t standard in C until the C 0x standard unsigned long long is a simple type specifier for the type unsigned long long int so they re synonyms The long long set of types is also in C99 and was a common extension to C compilers even before being standardized

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Long Long Int Size - Int unsigned int 16 bits long unsigned long 32 bits long long unsigned long long 64 bits Each signed type has a range that includes the range of the previous type in the list There are no upper bounds It s common for int and long to be 32 and 64 bits respectively