why we use pointer in c

7 Answers   HCL, TCS,

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Is there a way to have non-constant case labels (i.e. Ranges or arbitrary expressions)?

0 Answers  

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#include<stdio.h> int main(){ int i=10; int *ptr=&i; *ptr=(int *)20; printf("%d",i); return 0; } Output: 20 can anyone explain how came the output is 20

0 Answers  

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int *p=20; if u print like dis printf("%d",p); o\p:- 20; how is it possible? plz give me the explanation.

15 Answers   Global Edge,

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How can I change their mode to binary?

0 Answers  

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Can you write the algorithm for Queue?

0 Answers   College School Exams Tests, TCS,

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What is the advantage of a random access file?

0 Answers  

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What is a structural principle?

0 Answers  

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void main() { int a=1; printf("%d %d %d",a,++a,a++); } the output is supposed to be 1 2 2....but it is 3 3 1 this is due to calling conventions of C. if anyone can explain me how it happens?

7 Answers  

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How do you determine whether to use a stream function or a low-level function?

0 Answers  

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write a program which the o/p should b in such a way that s triangle if I/p is 3,a Square/rectangle if I/P=4,a pentagon if I/P=5 and so on...forget about the I/P which is less than 3

0 Answers   ADP,

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Give differences between - new and malloc() , delete and free() ?

0 Answers   Genpact,

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