Do pointers store the address of value or the actual value of a variable?
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When should the const modifier be used?
code for inverse a matrix
#include<string.h> void main() { String s1[]={"swathi"}; string s2[]={"maddimsetti"}; s1[]=s[]; printf("%s",s1[]); }
Can you define which header file to include at compile time?
/*program to calculate hra,da in salary if salary less than 10000 then hra15%,da13% otherwise hra20%,da18%/*
what is the use of operator ^ in C ? and how it works?
How can I prevent another program from modifying part of a file that I am modifying?
write a prgram of swapping with 2 valiables
There are N egg baskets and the number of eggs in each basket is a known quantity. Two players take turns to remove these eggs from the baskets. On each turn, a player must remove at least one egg, and may remove any number of eggs provided they all belong to the same basket. The player picking the last egg(s) wins the game. If you are allowed to decide who is going to start first, what mathematical function would you use to decide so that you end up on the winning side? Upload a C program to demonstrate the behaviour of the game.
difference between memcpy and strcpy
I need a sort of an approximate strcmp routine?
What is the difference between a string copy (strcpy) and a memory copy (memcpy)? When should each be used?