Const - Point Out Errors | Multiple Questions and Answers

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Const - Point Out Errors Multiple Questions and Answers.

1.	Point out the error in the program?
	`#include<stdio.h> #define MAX 128 int main() { char mybuf[] = "India"; char yourbuf[] = "BIX"; char const ptr = mybuf; ptr = 'a'; ptr = yourbuf; return 0; }`
	A.	Error: unknown pointer conversion
	B.	Error: cannot convert ptr const value
	C.	No error
	D.	None of above

2.	Point out the error in the program (in Turbo-C).
	`#include<stdio.h> #define MAX 128 int main() { const int max=128; char array[max]; char string[MAX]; array[0] = string[0] = 'A'; printf("%c %c\n", array[0], string[0]); return 0; }`
	A.	Error: unknown max in declaration/Constant expression required
	B.	Error: invalid array string
	C.	No error. It prints A A
	D.	None of above

3.	Point out the error in the program?
	`#include<stdio.h> #include<stdlib.h> union employee { char name[15]; int age; float salary; }; const union employee e1; int main() { strcpy(e1.name, "K"); printf("%s", e1.name); e1.age=85; printf("%d", e1.age); printf("%f", e1.salary); return 0; }`
	A.	Error: RValue required
	B.	Error: cannot modify const object
	C.	Error: LValue required in strcpy
	D.	None of above

4.	Point out the error in the program?
	`#include<stdio.h> const char fun(); int main() { char ptr = fun(); return 0; } const char *fun() { return "Hello"; }`
	A.	Error: cannot convert 'const char ' to 'char '.
	B.	Error: Lvalue required
	C.	No error and No output
	D.	None of above

5.	Point out the error in the program?
	`#include<stdio.h> int main() { const int x; x=128; printf("%d\n", x); return 0; }`
	A.	Error: unknown data type const int
	B.	Error: const variable have been initialised when declared.
	C.	Error: stack overflow in x
	D.	None of above

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» Const - Find Output of Program

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