Sams Teach Yourself C in 21 Days

LISTING17.5 strcat.c. Using strcat()to concatenate strings

1: /* The strcat() function. */

2:

3: #include <stdio.h>

4: #include <string.h>

5:

6: char str1[27] = “a”;

7: char str2[2];

8:

9: int main( void )

10: {

11: int n;

12:

13: /* Put a null character at the end of str2[]. */

14:

15: str2[1] = ‘\0’;

16:

17: for (n = 98; n< 123; n++)

18: {

19: str2[0] = n;

20: strcat(str1, str2);

21: puts(str1);

22: }

23: return 0;

24: }

ab

abc

abcd

abcde

abcdef

abcdefg

abcdefgh

abcdefghi

abcdefghij

abcdefghijk

abcdefghijkl

abcdefghijklm

abcdefghijklmn

abcdefghijklmno

abcdefghijklmnop

abcdefghijklmnopq

abcdefghijklmnopqr

abcdefghijklmnopqrs

abcdefghijklmnopqrst

abcdefghijklmnopqrstu

abcdefghijklmnopqrstuv

488 Day 17

OUTPUT

28 448201x-CH17 8/13/02 11:13 AM Page 488