char a[10],b[10];
void conc(char *, char *);
void main()
{
clrscr();
printf("\nenter the first string\t");
scanf("%s",a);
printf("\nenter the second string\t");
scanf("%s",b);
printf("\nthe concartinated string is:\t");
conc(a,b);
getch();
}
void conc(char *a,char *b)
{
char *c;
char *temp=c;
while(*a != '\0')
*c++ = *a++;
while(*b != '\0')
*c++ = *b++;
*c++='\0';
c=temp;
printf("%s",c);
}