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C program to swap two words/bytes.
This program will swap two bytes/words of an integer number, here this operation is implemented using bitwise shifting and bit masking.
Swapping two Bytes/Words using C program
/* C program to swap bytes/words of integer number.*/
#include <stdio.h>
int main()
{
unsigned int data = 0x1234;
printf("\ndata before swapping : %04X", data);
data = ((data << 8) & 0xff00) | ((data >> 8) & 0x00ff);
printf("\ndata after swapping : %04X", data);
return 0;
}
data before swapping : 1234
data after swapping : 3412
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