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sending a long with uart

zeyn albul 

xdata unsigned long var_long  _at_ 0x0150;

unsigned char * pointer;

pointer=0x0150;
var_long=0x45213256;

SBUF=*pointer;
...
SBUF=*(pointer+1);
...
SBUF=*(pointer+2);
...
SBUF=*(pointer+3);
...

my uart communication work, when i send datas byte one byte. when i try to send a long variable in above form , uart com. dont work. is this format illegal?
xdata unsigned long var_long _at_ 0x0150;
unsigned char * pointer;
pointer=0x0150;
var_long=0x45213256;

*pointer : 0x45 ??
*(pointer+1) : 0x21 ??
*(pointer+2) : 0x32 ??
*(pointer+3) : 0x56 ??

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