Write a program to swap the two given strings without using string function
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Source Code
#include<stdio.h>
#include<conio.h>
int main (int argc, char *argv[])
{
clrscr();
char str1[100];
char str2[100];
char t;
int l1=0,l2=0,l=0,i;
printf("\nEnter first string:");
gets(str1);
printf("\nEnter second string:");
gets(str2);
while(str1[l1]!='\0')
{
l1++;
}
while(str2[l2]!='\0')
{
l2++;
}
while(str1[l]!='\0' || str2[l]!='\0')
{
t=str1[l];
str1[l]=str2[l];
str2[l]=t;
l++;
}
if(l==l1)
{
for(i=l;i<=l2;i++)
{
str1[i]=str2[i];
}
str1[l2+1]='\0';
}
else
{
for(i=l;i<=l1;i++)
{
str2[i]=str1[i];
}
str2[l1+1]='\0';
}
printf("\nThe first string is:");
puts(str1);
printf("\nThe second string is:");
puts(str2);
getch();
}
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