We can print the address of a variable or a function using the following specifiers %u,%p here %u prints address in decimal form and %p prints in hexa decimal form,but remember these two format specifiers print only offset address but they doesn't print code segment address

there is a another specifier %Fp which prints both the code segment and offset address

The address of variable is printed in 'c' by using the formated string "%u" and the variable is '&variable name'.

Syntax:
printf("%u",&<variable name>);

int a;
int *p;
p=&a;
printf("%u",p);

Using printf("%u",p); is wrong. "%u" outputs an unsigned int. unsigned int may not be the same size as a pointer.

Using printf("%p",p) is the only portable method.

sreelatha mentions segment addresses. Segment addressing is architecture specific and the "%Fp" format string is compiler-specific extension.

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