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C Programming

C Programming
Which is the only function all C programs must contain?

start()
system()
main()
printf()
getch()

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C Programming
Determine Output:void main(){ int a[] = {10,20,30,40,50}, j, *p; for(j=0; j<5; j++){ printf("%d" ,*a); a++; } p = a; for(j=0; j<5; j++){ printf("%d" ,*p); p++; }}

10 20 30 40 50 Garbage Value
10 20 30 40 50 10 20 30 40 50
None of These
Error

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C Programming
Determine output:#include void main(){ char *p = NULL; char *q = 0; if(p) printf(" p "); else printf("nullp"); if(q) printf("q"); else printf(" nullq");}

Depends on the compiler
x nullq where x can be p or nullp depending on the value of NULL
p q
nullp nullq

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C Programming
Determine Output:#define clrscr() 100void main(){ clrscr(); printf("%d", clrscr());}

1
100
Error

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C Programming
Which of the following operator takes only integer operands?

*
+
/
%
None of these

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C Programming
What will be the output of the following program code?#include void main(){ int i=3, *j, **k; j = &i; k = &j; printf("%d%d%d", *j, **k, *(*k));}

Garbage Value
000
433
444
333

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