/* C program to concatenate two strings without
* using standard library function strcat()
*/
#include <stdio.h>
int main()
{
char str1[50], str2[50], i, j;
printf("\nEnter first string: ");
scanf("%s",str1);
printf("\nEnter second string: ");
scanf("%s",str2);
/* This loop is to store the length of str1 in i
* It just counts the number of characters in str1
* You can also use strlen instead of this.
*/
for(i=0; str1[i]!='\0'; ++i);
/* This loop would concatenate the string str2 at
* the end of str1
*/
for(j=0; str2[j]!='\0'; ++j, ++i)
{
str1[i]=str2[j];
}
// \0 represents end of string
str1[i]='\0';
printf("\nOutput: %s",str1);
return 0;
}
results:
Enter first string: stupidguys
Enter second string: smart
Output: stupidguyssmart
Process returned 0 (0x0) execution time : 29.075 s
Press any key to continue.
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