When is a null pointer used?
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Is calloc better than malloc?
What are extern variables in c?
#include<stdio.h> void main() { int a=5,b=6,c; int x=(a<b)+7; int y=(x==7)*9; int z=(c=x+y)*2; printf("%h %h %h",x,y,z); } What is the output? Explain it.
Explain how do you determine a file’s attributes?
A collection of functions,calls,subroutines or other data a) library b) header files c) set of files d) textfiles
Will Macros support multiple arguments ?
What is a macro in c preprocessor?
While compiling a c program,graphics header files are not including in my program..eg: <graphics.h>,what may be the problem...is there any environment settings exists.
general for is %wd,f-d; in this system "w" means a) 'w' represent total width of digits b) 'w' represent width which includes the digits before,after decimal place and the decimal point c) 'w' represent width which includes the digits before only d) 'w' represent width after decimal place only
Why can't we initialise member variable of a strucutre
Is main() is used in the program,,see below example? void main() { int i; for(i=0;i<10;i++) main(); } Then what is the output of the program?
What is variable initialization and why is it important?