Answer Posted / vijay

56
93

What is malloc calloc and realloc in c?

1432

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What does %c do in c?

1055

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What is the difference between null pointer and wild pointer?

1252

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How can you determine the maximum value that a numeric variable can hold?

1301

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How can I check whether a file exists? I want to warn the user if a requested input file is missing.

1216

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When I set a float variable to, say, 3.1, why is printf printing it as 3.0999999?

1121

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a c code by using memory allocation for add ,multiply of sprase matrixes

2865

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Write a program to check prime number in c programming?

1150

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What would the following code segment printint k = 8;docout << "k = " << k << " ";while k++ < 5; a) 13 b) 5 c) 8 d) pointers

1309

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#include #include struct stu { int i; char j; }; union uni { int i; char j; }; void main() { int j,k; clrscr(); struct stu s; j=sizeof(s); printf("%d",j); union uni u; k=sizeof(u); printf("%d",k); getch(); } what is value of j and k.

6402

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while initialization of array why we use a[][2] why not a[2][]...?

2404

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1234554321 1234 4321 123 321 12 21 1 1 12 21 123 321 1234 4321 1234554321

3787

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a c variable cannot start with a) an alphabet b) a number c) a special symbol d) both b and c above

1287

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How does free() know explain how much memory to release?

1112

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explain what are pointers?

1082

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