C Sample: String Concatenation In C Language

#include<stdio.h>
#include<conio.h>
#include<string.h>
main()
{
char str1[30],str2[30];
printf("\nEnter 1st String");
gets(str1);
printf("\nEnter 2nd String");
gets(str2);
concat(str1,str2);
printf("Output :: %s",str1);
getch();
}

concat(char *str1,char *str2)
{
while(*str1!='\0')
str1++; //Points to end of line
while(*str2!='\0')
{
*str1=*str2;
str1++;
str2++;
}*str1='\0';
}

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