Discussion
Home ‣ C Programming ‣ Strings See What Others Are Saying!
- Question
Which of the following function is more appropriate for reading in a multi-word string?
Options- A. printf();
- B. scanf();
- C. gets();
- D. puts();
- Correct Answer
- gets();
Explanationgets(); collects a string of characters terminated by a new line from the standard input stream stdin#include <stdio.h> int main(void) { char string[80]; printf("Enter a string:"); gets(string); printf("The string input was: %s\n", string); return 0; }Output:
Enter a string: CuriousTab
The string input was: CuriousTab
More questions
- 1. For a function receives variable number of arguments it is necessary that the function should receive at least one fixed argument.
Options- A. True
- B. False Discuss
Correct Answer: True
- 2. What will be the output of the program?
#include<stdio.h> int X=40; int main() { int X=20; printf("%d\n", X); return 0; }
Options- A. 20
- B. 40
- C. Error
- D. No Output Discuss
Correct Answer: 20
Explanation:
Whenever there is conflict between a local variable and global variable, the local variable gets priority.- 3. What will be the output of the program (myprog.c) given below if it is executed from the command line?
cmd> myprog one two three/* myprog.c */ #include<stdio.h> #include<stdlib.h> int main(int argc, char **argv) { int i; for(i=1; i<=3; i++) printf("%u\n", &argv[i]); return 0; }If the first value printed by the above program is 65517, what will be the rest of output?
Options- A. 65525 65531
- B. 65519 65521
- C. 65517 65517
- D. 65521 65525 Discuss
Correct Answer: 65519 65521
- 4. What will be the output of the program?
#include<stdio.h> #include<stdlib.h> int main() { int *p; p = (int *)malloc(20); /* Assume p has address of 1314 */ free(p); printf("%u", p); return 0; }
Options- A. 1314
- B. Garbage value
- C. 1316
- D. Random address Discuss
Correct Answer: 1314
- 5. Size of short integer and long integer would vary from one platform to another.
Options- A. True
- B. False Discuss
Correct Answer: True
Explanation:
True, Depending on the operating system/compiler/system architecture you are working on, the range of data types can vary.- 6. Names of functions in two different files linked together must be unique
Options- A. True
- B. False Discuss
Correct Answer: True
Explanation:
True, If two function are declared in a same name, it gives "Error: Multiple declaration of function_name())".- 7. What will be the output of the program?
#include<stdio.h> int main() { int arr[2][2][2] = {10, 2, 3, 4, 5, 6, 7, 8}; int *p, *q; p = &arr[1][1][1]; q = (int*) arr; printf("%d, %d\n", *p, *q); return 0; }
Options- A. 8, 10
- B. 10, 2
- C. 8, 1
- D. Garbage values Discuss
Correct Answer: 8, 10
- 8. The macro va_arg is used to extract an argument from the variable argument list and advance the pointer to the next argument.
Options- A. True
- B. False Discuss
Correct Answer: True
- 9. What will be the output of the program in Turbo C?
#include<stdio.h> int main() { char near *near *ptr1; char near *far *ptr2; char near *huge *ptr3; printf("%d, %d, %d\n", sizeof(ptr1), sizeof(ptr2), sizeof(ptr3)); return 0; }
Options- A. 4, 4, 8
- B. 4, 4, 4
- C. 2, 4, 8
- D. 2, 4, 4 Discuss
Correct Answer: 2, 4, 4
- 10. What will be the output of the program (sample.c) given below if it is executed from the command line?
cmd> sample 1 2 3
cmd> sample 2 2 3
cmd> sample 3 2 3/* sample.c */ #include<stdio.h> int main(int argc, char *argv[]) { printf("%s\n", argv[0]); return 0; }
Options- A. sample 3 2 3
- B. sample 1 2 3
- C. sample
- D. Error Discuss
Correct Answer: sample
Comments
There are no comments.
More in C Programming:
Programming
Copyright ©CuriousTab. All rights reserved.