1. The correct syntax to use typedef for struct is.
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a) typedef struct temp
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{ -
int a;
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}TEMP;
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b) typedef struct
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{ -
int a;
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}TEMP;
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c) struct temp
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{ -
int a;
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};
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typedef struct temp TEMP;
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d) All of the mentioned
Answer
Answer: d [Reason:] 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) typedef char [] string; and typedef char *string;
d) Such expression cannot be generated in C
Answer
Answer: b [Reason:] 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
Answer: b [Reason:] 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
Answer: b [Reason:] 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
Answer: d [Reason:] None.
6. typedef int (*PFI)(char *, char *)creates
a) type PFI, for pointer to function (of two char * arguments) returning int
b) Error
c) type PFI, function (of two char * arguments) returning int
d) type PFI, for pointer
Answer
Answer: a [Reason:] None.
7. typedef declaration
a) Does not create a new type
b) It merely adds a new name for some existing type
c) Does not create a new type, It merely adds a new name for some existing type
d) None of the mentioned
Answer
Answer: c [Reason:] None.
8. What is the output of this C code?
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#include <stdio.h> -
typedef struct student
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{ -
char *a;
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}stu;
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void main()
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{ -
stu s; -
s.a = "hi";
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printf("%s", s.a);
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}s
a) Compile time error
b) Varies
c) hi
d) h
Answer
Answer: a [Reason:] None.
