Program to print the byte order of the system

/* Program to  print the byte order of the system whether little endian order or big endian order */

/* filename : byteorder.c */

#include"unp.h"

int main(int argc,char **argv)

{

union{

short s;

char c[sizeof(short)];

}un;

un.s=0x0102; /*int 2b value*/

printf("%s",CPU_VENDOR_OS);

if(sizeof(short)==2)

{

if(un.c[0]==1&&un.c[1]==2)

printf("big-endian \n");

else if(un.c[0]==2&&un.c[1]==1)

printf("little endian \n");

else

printf("unknown\n");

}

else

printf("sizeof(short)=%d",sizeof(short));

exit(0);

}