C Interview Questions & Answers

Below we have listed all the C Interview Questions and answers. Feel free to comment on any C Interview Questions or answer by the comment feature available on the page.

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C is a high-level and general purpose programming language that is ideal for developing firmware or portable applications. Originally intended for writing system software, C was developed at Bell Labs by Dennis Ritchie for the Unix Operating System (OS) in the early 1970s. With the increasing popularity of object-oriented programming, C is being rapidly replaced as "the" programming language by C++, a superset of the C language that uses an entirely different set of programming concepts, and by Java, a language similar to but simpler than C++, that was designed for use in distributed networks.

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	Question	Rating	View Answer
	const int perplexed = 2; #define perplexed 3 main() { #ifdef perplexed #undef perplexed #define perplexed 4 #endif printf("%d",perplexed); }		View Answer
	What is the difference between text and binary modes?		View Answer
	How do you print an address ?		View Answer
	What is the difference between object and reference?		View Answer
	main() { signed int bit=512, i=5; for(;i;i--) { printf("%dn", bit >> (i - (i -1))); } }		View Answer
	How can do search for data in a linked list ?		View Answer
	main() { { unsigned int bit=256; printf("%d", bit); } { unsigned int bit=512; printf("%d", bit); } }		View Answer
	main() { signed int bit=512, mBit; { mBit = ~bit; bit = bit & ~bit ; printf("%d %d", bit, mBit); } }		View Answer
	What does it mean- a[i]=i+i		View Answer
	main() { int c = 5; printf("%d", main||c); }		View Answer
	main() { int i, j; scanf("%d %d"+scanf("%d %d", &i, &j)); printf("%d %d", i, j); }		View Answer
	main() { char *a = "Hello "; char *b = "World"; clrscr(); printf("%s", strcpy(a,b)); }		View Answer
	How to print the names of employees or students in alphabetical order using C programming?		View Answer
	What is a null pointer assignment error? What are bus errors, memory faults, and core dumps?		View Answer
	void main () { int x = 10; printf ("x = %d, y = %d", x,--x++); }		View Answer
	How to write a program to print its own source code?		View Answer
	What is page thrashing ?		View Answer
	How to write functions in c program without using headerfile.		View Answer
	main(int argc, char *argv[]) { (main && argc) ? main(argc-1, NULL) : return 0; }		View Answer
	Difference between const char* p and char const* p		View Answer

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