This is the c programming questions and answers section on " Typedef " with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand.
1. The correct syntax to use typedef for struct is.
- A. typedef struct temp
{
int a;
}TEMP;
- B. typedef struct
{
int a;
}TEMP;
- C. struct temp
{
int a;
};
typedef struct temp TEMP;
- D. All of the mentioned
Answer: Option D
Explanation:
None.
2. For the following expression to work, which option should be selected.
string p = “HELLO”;
- A. typedef char [] string;
- B. typedef char * string;
- C. Both (a) and (b)
- D. Such expression cannot be generated in C
Answer: Option B
Explanation:
None.
3. Which of the given option is the correct method for initialization?
typedef char *string;
- A. *string *p = “Hello”;
- B. string p = “Hello”;
- C. *string p = ‘A’;
- D. Not more than one space should be given when using typedef
Answer: Option B
Explanation:
None.
4. Which of the following is FALSE about typedef?
- A. typedef follow scope rules
- B. typedef defined substitutes can be redefined again. (Eg: typedef char a; typedef int a;)
- C. You cannot typedef a typedef with other term.
- D. All of the mentioned
Answer: Option B
Explanation:
None
5. typedef which of the following may create problem in the program?
- A. ;
- B. printf/scanf
- C. Arithmetic operators
- D. All of the mentioned.
Answer: Option D
Explanation:
None.
