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
	If the program (myprog) is run from the command line as myprog 1 2 3 , What would be the output? main(int argc, char *argv[]) { int i; for(i=0;i<argc;i++) printf("%s",argv[i]); }		View Answer
	main() { char *a = "Hello "; char *b = "World"; clrscr(); printf("%s", strcpy(a,b)); }		View Answer
	void main () { int x = 10; printf ("x = %d, y = %d", x,--x++); }		View Answer
	What is :- Token , identifier , block , parameter , argument , scope of variable , Macro ?		View Answer
	What is type integration? And what is integer type integration?		View Answer
	What would be the output of the following program? main() { const int x=5; int *ptrx; ptrx=&x; *ptrx=10; printf("%d",x); }		View Answer
	vii)7. main() { int i=-1,j=-1,k=0,l=2,m; m=i++&&j++&&k++||l++; printf("%d %d %d %d %d",i,j,k,l,m); }		View Answer
	main(int argc, char *argv[]) { (main && argc) ? main(argc-1, NULL) : return 0; }		View Answer
	What is hashing ?		View Answer
	Q.8 When a 'C' function call is made, the order in which parameters passed to the function are pushed into the stack is (a) left to right (b) right to left (c) bigger variables are moved first than the smaller variables. (d) smaller variables are moved first than the bigger ones (c) none of the above.		View Answer
	main() { int c = 5; printf("%d", main||c); }		View Answer
	What are bit fields? What is the use of bit fields in a structure declaration?		View Answer
	I WANT DISPLAY 1111 1222 1233 1234 SEND ME ANS PLZZZZZZZ		View Answer
	Can anyone share his code which would accept a sentence, then count the number occurrence of the words excluding spaces.All is done using linked list.		View Answer
	What is the difference between a string copy (strcpy) and a memory copy (memcpy)? When should each be used?		View Answer
	If the following program (myprog) is run from the command line as myprog friday tuesday sunday, What would be the output? main(int argc, char*argv[]) { printf("%c",**++argv); }		View Answer
	Can there be a mouse click and drag function used in c?		View Answer
	Can there be a mouse click and drag function used together to rotate a circle in c?please give which are they?		View Answer
	Difference between const char* p and char const* p		View Answer
	How can do search for data in a linked list ?		View Answer

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