What is the difference between short signed ints and signed ints

I was referring to the c tutorial, I found that the signed int and short signed int range are from -32768 to 32767, and these are 2 bytes, this is their any difference, if not then, why are two types of declarations used.

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8 answers

This is a specific platform - all you can be sure of in this context is that sizeof(int) >= sizeof(short) >= 16 bits.

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The best answer to your question can be found in the ANSI C standard, section 2.2.4.2 - Numerical Limitations . Here for convenience you will find the relevant sections of this section:

2.2.4.2 Numerical limits

, ,  .

" "

, . #if . , , ( ) , .

  • , () CHAR_BIT 8

  • char SCHAR_MIN
    -127

  • char SCHAR_MAX
    +127

  • unsigned char UCHAR_MAX
    255

  • char CHAR_MIN .

  • char CHAR_MAX .

  • , locale MB_LEN_MAX
    1

  • short int SHRT_MIN
    -32767

  • short int SHRT_MAX
    +32767

  • unsigned short int USHRT_MAX
    65535

  • int INT_MIN
    -32767

  • int INT_MAX
    +32767

  • unsigned int UINT_MAX
    65535

  • long int LONG_MIN
    -2147483647

  • long int LONG_MAX
    +2147483647

  • unsigned long int ULONG_MAX
    4294967295

C99 :

  • long long int LLONG_MIN -9223372036854775807//- (263 - 1)
  • long long int LLONG_MAX +9223372036854775807//263 - 1
  • unsigned long long int ULLONG_MAX 18446744073709551615//264 - 1
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C, . , , short int int - : short int int ? ?

, int , - , " " ( - ). int - , C - .

, , -32767 32767, long int long long int. , , short ( signed char, , -127 127).

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C ++ . . short 2 , ( ). int short . , signed int - int, signed short int - short int, short. char ( ), . short int long int short long .

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A signed int , a short signed int. short int 2 ( ), int - 4 . 2 int, , , .

long int, 4 8 , .

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, char, /unsigned int.

.
................................................

char :

unsigned char;

char;

(.. INTEGRAL DATATYPES)

.................................................

Exaplained :
char 1 -128 127 ( char)

char 1byte -128 127

unsigned char 1 0 255

.................................................

1byte = 8 ( 7- )

7- ( 1 = + ve 0 = -ve)


-37 1101 1011 ( 1),

+37 0010 0101 ( 0).


.................................................

char


?

char ASCII charectors (Eg.A = 65).


char 7 .

char/int 1 unsigned char unsigned int;

.

4- int 2bit int int unsigned int

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.

Int - 32- 32- 64- 64- ( , ).

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c, , int short signed int range - -32768 32767 2 .

. C Paul R. 32- :

    short int is 16 bits
          int is 32 bits
     long int is 32 bits
long long int is 64 bits

int 16 16- . 16- , -, .

On a 16-bit machine, the dimensions will be as follows:

    short int is 16 bits
          int is 16 bits
     long int is 32 bits
long long int is 64 bits
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Source: https://habr.com/ru/post/1754765/


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