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When is a null pointer used?


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More C Interview Questions

List some applications of c programming language?

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compare array with pointer?

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#include<stdio.h> #include<conio.h> # define swap(a,b) temp=a; a=b; b=temp; void main( ) { int i, j, temp; i=5; j=10; temp=0; if( i > j) swap( i, j ); printf( "%d %d %d", i, j, temp); }

9 Answers   Burning Glass,


What is the output of the following progarm? #include<stdio.h> main( ) { int x,y=10; x=4; y=fact(x); printf(ā€œ%d\nā€,y); } unsigned int fact(int x) { return(x*fact(x-1)); } A. 24 B. 10 C. 4 D. none

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logic for generating all the combinations of the any number of given letters. ex::::::::: if a,b,c,d are given the o/p should be abcd,dcba,dbac,bcad,................ 4*3*2*1 combinations............

2 Answers   Infosys,


Can true be a variable name in c?

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What is the use of the restrict keyword?

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the constant value in the case label is followed by a a) semicolon b) colon c) braces d) none of the above

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