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C Programming

C Programming
Determine output:void main(){ extern int i; i=20; printf("%d", sizeof(i));}

Compiler Error
Linker Error
2
20

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C Programming
What will be the value of i and j after execution of following program?#includevoid main(){int i, j;for(i=0,j=0;i<10,j<20;i++,j++){printf("i=%d %t j=%d", i, j); }}

10 20
10 10
20 20
Run time error

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C Programming
#includevoid main(){ int *ptr, a=10; ptr = &a; *ptr += 1; printf("%d, %d", *ptr, a);}

11, 10
10, 11
11, 11
10, 10

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C Programming
Which of the following statements should be used to obtain a remainder after dividing 3.14 by 2.1 ?

rem = fmod(3.14, 2.1);
Remainder cannot be obtain in floating point division.
rem = 3.14 % 2.1;
rem = modf(3.14, 2.1);

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C Programming
Determine output:main(){ int i = abc(10); printf("%d", --i);}int abc(int i){ return(i++);}

None of these.
10
9
11

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C Programming
The library function used to find the last occurrence of a character in a string is

laststr()
None of these
strrchr()
strnstr()
strstr()

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