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#include <string.h>

char *strcat (
  char *dst,                   /* destination string */
  const unsigned char *src);   /* source string */

The strcat function concatenates or appends src to dst. All characters from src are copied including the terminating null character.

Return Value

The strcat function returns dst.

See Also

strcpy, strlen, strncat, strncpy

#include <string.h>
#include <stdio.h> /* for printf */

void tst_strcat (void) {

  unsigned char buf [21];
  unsigned char s [] = "Test String";

  strcpy (buf, s);
  strcat (buf, " #2");

  printf ("new string is %s\n", buf);
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