C Program to concatenate two strings without using inbuilt function strcat()

Program to concatenate two strings. (don’t use inbuilt function strcat() )

# include
# include
void main()
{
int i,j,k=0;
char str1[50],str2[50],str3[50];
clrscr();
printf("\nEnter a string: ");
scanf("%s",str1);
printf("\nEnter a string: ");
scanf("%s",str2);
for(i=0;str1[i]!='\0';i++)
{

str3[i]=str1[i];
}


for(j=i;str2[k]!='\0';j++)
{
str3[j]=str2[k];
k++;
}
for(i=0;i printf("%c",str3[i]);



getch();
}

/* Output

Enter a string: TOM

Enter a string: JERRY
TOMJERRY
*/