Answer Posted / d g patel

1. Macro takes parameters where as ordinary definition does
not.
2. Based on the parameter values to macro it can result in
different value at run time. Ordinary defination value
remains same at all place at run time.
3. Macro can be used for conditional operations where as
definition can not.
4. Using macro one can achieve inline functionality in C
ie. macro can be a function performing simple operations.
This is not possible using definitions.

4. main() { int c=- -2; printf("c=%d",c); }

1373

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What does c mean in standard form?

606

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What is exit() function?

568

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What does. int *x[](); means ?

640

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Write a c program to build a heap method using Pointer to function and pointer to structure ?

4183

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write a C program: To search a file any word which starts with ?a?. If the word following this ?a? starts with a vowel.Then replace this ?a? with ?a? with ?an?. redirect with the output onto an output file.The source file and destination file are specified by the user int the command line.

2459

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What is the size of enum in c?

628

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How can you return multiple values from a function?

640

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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

1648

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a function gets called when the function name is followed by a a) semicolon (;) b) period(.) c) ! d) none of the above

883

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What is advantage of pointer in c?

705

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What are the 3 types of structures?

578

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How can I do peek and poke in c?

626

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What is else if ladder?

616

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main() { int i = 10; printf(" %d %d %d ", ++i, i++, ++i); }

642

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