C Programming - Strings - Discussion

Discussion Forum : Strings - General Questions (Q.No. 1)
1.
Which of the following function sets first n characters of a string to a given character?
strinit()
strnset()
strset()
strcset()
Answer: Option
Explanation:

Declaration:

char *strnset(char *s, int ch, size_t n); Sets the first n characters of s to ch

#include <stdio.h>
#include <string.h>

int main(void)
{
   char *string = "abcdefghijklmnopqrstuvwxyz";
   char letter = 'x';

   printf("string before strnset: %s\n", string);
   strnset(string, letter, 13);
   printf("string after  strnset: %s\n", string);

   return 0;
}

Output:

string before strnset: abcdefghijklmnopqrstuvwxyz

string after strnset: xxxxxxxxxxxxxnopqrstuvwxyz

Discussion:
24 comments Page 3 of 3.

Sree harsha said:   8 years ago
Can anyone tell why illegal action is committing in dev compiler? Please help me.

Abhishek Singh said:   8 years ago
@ALL.

#include<bits/stdc++.h>
using namespace std;
main(){
char s[]="abhishek";
char p[]="abhiaana";
strnset(s,'l',3);
memset(p,'o',2);
cout<<s<<' '<<p;
}

Rathna suresh said:   7 years ago
What is the meaning of *char?
(3)

S.SAHA said:   4 years ago
This function return values that are as follows;

if Return value < 0 then it indicates str1 is less than str2.
if Return value > 0 then it indicates str2 is less than str1.
if Return value = 0 then it indicates str1 is equal to str2.


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