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Thursday, 18 April 2013

C code to convert Little Endian to Big Endian

Little Endian:
Little Endian means that the lower order byte of the number is stored in memory at the lowest address, and the higher order byte is stored at the highest address.

Big Endian:
Big Endian means that the higher order byte of the number is stored in memory at the lowest address, and the lower order byte is stored at the highest address.

//C program to convert little Endian to Big Endian//

#include <stdio.h>

int changed_endian(int num)
{
 int byte0, byte1, byte2, byte3;
 byte0 = (num & 0x000000FF) >> 0 ;
 byte1 = (num & 0x0000FF00) >> 8 ;
 byte2 = (num & 0x00FF0000) >> 16 ;
 byte3 = (num & 0xFF000000) >> 24 ;
 return((byte0 << 24) | (byte1 << 16) | (byte2 << 8) | (byte3 << 0));
}

int main()
{
 int number=10;
 int new_number;
 new_number=changed_endian(number);
 printf("New number is %d", new_number);
 return 0;
}
Output of the above Program:

convert-Little-Endian-to-Big-Endian
Convert Little Endian to Big Endian


See also:
Check system is Big Endian or Little Endiane

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