Answer Posted / hell2heaven

I think answer is 3.is it right?

What does malloc () calloc () realloc () free () do?

1023

---

What is a header file?

1041

---

What is hashing in c?

1113

---

develop algorithms to add polynomials (i) in one variable

2126

---

Difference between pass by reference and pass by value?

1109

---

in case any function return float value we must declare a) the function must be declared as 'float' in main() as well b) the function automatically returned float values c) function before declared 'float' keyword d) all the above

985

---

Explain what is gets() function?

1029

---

Should I use symbolic names like true and false for boolean constants, or plain 1 and 0?

1032

---

Differentiate between the expression “++a” and “a++”?

1215

---

Explain what does the function toupper() do?

1020

---

What does the function toupper() do?

1079

---

How does sizeof know array size?

1090

---

What is a ternary operator in c?

1073

---

Explain how do you sort filenames in a directory?

997

---

What is the difference between exit() and _exit() function in c?

1038

---