Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
C function to Swap strings
The following is an example to swap strings.
Example
#include<stdio.h>
#include <string.h>
int main() {
char st1[] = "My 1st string";
char st2[] = "My 2nd string";
char swap;
int i = 0;
while(st1[i] != '\0') {
swap = st1[i];
st1[i] = st2[i];
st2[i] = swap;
i++;
}
printf("After swapping s1 : %s
", st1);
printf("After swapping s2 : %s
", st2);
return 0;
}Output
After swapping s1 : My 2nd string After swapping s2 : My 1st string
In the above program, two arrays of char type st1 and st2, a char variable ‘swap’ and an integer variable i are declared. While loop is checking if st1 is not null, swap the values of st1 and st2.
char st1[] = "My 1st string";
char st2[] = "My 2nd string";
char swap;
int i = 0;
while(st1[i] != '\0') {
swap = st1[i];
st1[i] = st2[i];
st2[i] = swap;
i++;
}
Updated on: 26-Jun-2020
529 Views
Advertisements