String concaination program using pointers in C?

Answer 1

#include<stdio.h>

#include<conio.h>

void main()

{

char a[5][10];

int i;

clrscr();

for(i=0;i<5;i++)

{

printf("enter %d string",i+1);

scanf("%s",&a[i]);

}

for(i=0;i<5;i++)

{

printf("\n%s",a[i]);

}

getch();

}

Answer 2

//String Concatenation Without Ready Made String Function
//xstrcat is my own function

#include
void xstrcat(char *,char *);
void main()
{
char s1[30],s2[20];
clrscr();
printf("Enter the String S1:");
gets(s1);
printf("Enter the String S2:");
gets(s2);
xstrcat(s1,s2);
printf("S1=%s",s1);
printf("\nS2=%s",s2);
getch();
}
void xstrcat(char *dest,char *src)
{
while(*dest!='\0')
{
dest++;
}
while(*src!=0)
{
*dest=*src;
src++;
dest++;
}
*dest='\0';
}

output:

Enter the String S1:aaa bbb
Enter the String S2:ccc ddd
S1=aaa bbb ccc ddd
S2=ccc ddd

//String Concatenation With Ready Made String Function

strcat(s1,s2);

Answer 3

char *p1 = "Hello";

char *p2 = "World";

char *temp = malloc (sizeof(p1) + sizeof(p2));

i=0;

while(*p1) {

temp[i] = *p1++;i++;

}

while(*p2){

temp[i] = *p2++;i++;

}

temp[i] = '\0';

Answer 4

char * MyStrCat (char *FirstString, char * Second String) {

char * ThirdString = malloc ( strlen(FirstString) + strlen(SecondString) + 1);

if ThirdString == NULL ...Handle Memory Exception...

strcpy(ThirdString, FirstString);

strcat(ThirdString, SecondString);

return ThirdString;

}

Answer 5

You can concatenate two strings using the "+" operator.

Note: Java does not support Pointers.

Answer 6

strcat