What are header files and explain what are its uses in c programming?

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Finding first/last occurrence of a character in a string without using strchr( ) /strrchr( ) function.

2 Answers  

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What is sizeof array?

0 Answers  

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#include<std.h> int main() { char *str[]={"Frogs","Do","Not","Die","They","Croak!"}; printf("%d %d\n",sizeof(str),strlen(str)); ...return 0; } what will the output of the above program?

6 Answers  

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What math functions are available for integers? For floating point?

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How to write c functions that modify head pointer of a linked list?

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input may any number except 1,output will always 1.. conditions only one variable should be declare,don't use operators,expressions,array,structure

4 Answers   IBM,

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How do I declare an array of N pointers to functions returning pointers to functions returning pointers to characters?

2 Answers  

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Explain how does free() know explain how much memory to release?

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#define MAX 3 main() { printf("MAX = %d ",MAX ); #undef MAX #ifdef MAX printf("Vector Institute”); #endif }

1 Answers   Vector India,

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difference of two no's with out using - operator

7 Answers  

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What is %d used for?

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