int *ptr,a; ptr=&a; printf(“%p”,ptr); is it prints the physical address of ram or logical??

sir, i have completed my first assignment.

assignment 1 complete, 2-d array using pointers complete

Sir, now, able to get byte wise values of an int.

Sir, How to check the overflow and underflow of a float.??  

sir, I have some problem in Pre-increment operator for the following expression. i=10; printf(“%d\n”,++i  +  ++i  +  ++i); I am getting un-expected output. it’s answer is 37.. but how??

Hi! i have problem with these expressions:- y=z=4; x=y==z; printf(“%d,”x); x==(y=z);printf(“%d”,x); what is  value of x in these two printf statement?

i declared a float and initialize it to 69.01 now when i print this float it prints 69.010002 & when initialize it to 69.02 it prints 69.019997, when initialize it to 69.6969 it prints 69.696899, when initialize it to 696969.696969 … Continue reading →

what is the conceptual difference between macros and function…………???

why we can not compare two variables of same structure type????

why we do not use address operator before variables in printf statement for fetching value: example: printf(“%d”,&a);

int main()         //without header file {int *i; char k; float s; char j[5]; struct hi { }; return 0; } //where these all keywords and main function is declared and defined…?????

example : char a[]=”a”; this is possible but not efficient because we have other method to assign character const as shown below: char c=’a’;

what is the difference between NULL and NUL  ………………..??????