why we use pointer in c
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Answer / aravind
To pass the actual arguments by address instead by calling
by reference in function.
Is This Answer Correct ? | 27 Yes | 2 No |
Answer / srinivas
the speed of execution will be increased because we
accessing address of the variable rather than variables
Is This Answer Correct ? | 15 Yes | 1 No |
Answer / srinivash
to store the address of a variable which s effective in
fuction calling by call by reference r call by address method
Is This Answer Correct ? | 14 Yes | 1 No |
Answer / nipa
using pointer some facility is there
1.. we reduce length and complexity of a program
2.. increase speed of execution of program
3.. it can capable to handling data table
4.. to access variable which is defined outside the function
5 .. handle character string
Is This Answer Correct ? | 4 Yes | 2 No |
use of pointers makes the code more efficient and compact.
1.to acess array elements
2. to return more than one value to a function.
3. to acess dynamically allocated memory.
4. to implement data structures like linked lists,trees.
Is This Answer Correct ? | 0 Yes | 1 No |
Write a program to print prime nums from 1-20 using c programing?
Write the following function in C. stripos — Find position of first occurrence of a case- insensitive string int stripos ( char* haystack, char* needle, int offset ) Returns the numeric position of the first occurrence of needle in the haystack string. Note that the needle may be a string of one or more characters. If needle is not found, stripos() will return - 1. The function should not make use of any C library function calls.
3 Answers Google, Infosys, JTL, OpenFeel,
Is it fine to write void main () or main () in c?
Is c functional or procedural?
What is wrong in this statement?
print the following using nested for loop. 5 4 3 2 1 1 2 3 4 3 2 1 1 2 1 2 1 1 2 3 4 3 2 1 1 2 3 4 5
how do you write a function that takes a variable number of arguments? What is the prototype of printf () function?
What is the significance of scope resolution operator?
0 Answers Agilent, ZS Associates,
Why doesnt long int work?
Can i use “int” data type to store the value 32768? Why?
the 'sizeof' operator reported a larger size than the calculated size for a structure type. What could be the reason?
#include<stdio.h> { printf("Hello"); } how compile time affects when we add additional header file <conio.h>.