write a C program:There is a mobile keypad with numbers 0-9
and alphabets on it. Take input 0f 7 keys and then form a
word from the alphabets present on the keys.
who developed c and why he developed c?
What is the right way to use errno?
Is javascript written in c?
How do you list files in a directory?
What is an operator?
what are the advantages of a macro over a function?
which of 'arrays' or 'pointers' are faster?
Once I have used freopen, how can I get the original stdout (or stdin) back?
What is nested structure in c?
Explain the concept and use of type void.
Fifty minutes ago if it was four times as many mints past 3 o clock. how many minutes is it to six o'clock n how....?????
In which layer of the network datastructure format change is done