Thread: my strcat function

Ive tried making my own strcat function but i need help in returning the array or whole string in the my_strcat function.
How do i return that array?
Im trying strcat with array notation, but kidna stuck.
cheers

Code:

#include <stdio.h>
#include <strings.h>

#define SIZE 1000

void get_words( char [] );
char *my_strcat( char [], char [] );

int main()
{
	char words[SIZE];
	char words2[SIZE];

	printf( "Enter String1:\n" );
	get_words( words );
	printf( "Enter String2:\n" );
	get_words( words2 );	

	/*	printf( "Enter String 2:\n" );
		get_words2( words2 );
	*/

	printf( "string1: %s", words );
	printf( "\n" );
	printf( "string2: %s", words2 );
	printf( "\n" );

	printf( "concat: %s", my_strcat( words, words2 ) ); 

	return 0;
}

void get_words( char string[] )
{
	int ch;
	int n=0;
	
	while( (ch=getchar()) != '\n' ) {
		string[n] = ch;
		n++;
	}
}

char *my_strcat( char words1[], char words2[] )
{
	int n=0;
	int i=0;

	char temp[SIZE];

	/* copy words1 into temp without the null byte */

	while( words1[i] != '\0' ) {
		temp[n] = words1[i];
		n++;
		i++;
	}
	i=0;	/* reset i to zero */
	/* insert a blank space after the word being copied */

	temp[n] = ' ';

	/* copy words2 in temp after the blank space */
	
	while ( words2[i] != '\0' ) {
		temp[n] = words2[i];
		i++;
	}

	/* insert a null byte at end of temp for complete string */

	temp[n] = '\0';

	return temp;
}

thanks guys.

just another problem.
in some books i see a declaration such as:

my_array[n] = '\0';

why does it attach the null byte to the end of the string when the n has not been incremented? ive tried this in my program for the blank space but it wont work, i need to increment it by one.
so i did

temp[n+1] = ' ';

how can the null byte just be inserted in the array without any sort of incrementation.?