Answer / Roshi Gupta

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What is the difference between the expression “++a” and “a++”?

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What is the difference between the local variable and global variable in c?

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What is the difference between exit() and _exit()?

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how to write a cprogram yo get output in the form * *** ***** ******* ********* ******* ***** *** *

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24.what is a void pointer? 25.why arithmetic operation can’t be performed on a void pointer? 26.differentiate between const char *a; char *const a; and char const *a; 27.compare array with pointer? 28.what is a NULL pointer? 29.what does ‘segmentation violation’ mean? 30.what does ‘Bus Error’ mean? 31.Define function pointers? 32.How do you initialize function pointers? Give an example? 33.where can function pointers be used?

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what is the use of bitfields & where do we use them?

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why division operator not work in case of float constant?

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void main() { int s[4][2]={ {1234,56},{1212,33},{1434,80},{1312,78} }; int (*p)[2]; int i,j,*pint; for(i=0;i<=3;i++) { p=&s[i]; pint=p; printf("\n"); for(j=0;j<=1;j++) printf("%d",*(pint+j)); } } while running this program it shows a warning-suspicious pointer conversion ie pint=p; my que is why should we assign the value of p to pint again.why cant we use it directly as *(p+j)..but if i use like tat the o/p is garbage value..

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Program to simulate second clock

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What is #ifdef ? What is its application?

1 Answers   TCS,

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Why does not use getgh(); and <conio.h> in c language.

3 Answers   Elofic,

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Write a function in c to find the area of a triangle whose length of three sides is given.

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