Char * STRCAT (Char * DEST, CHAR * SRC)
{
IF (dest == NULL || src == null)
Return NULL;
Char * pdest = DEST;
CHAR * PSRC = SRC;
While (* pdest ! = '/ 0')
;
PDEST -;
While (* pdest = * psrc )! = '/ 0')
Return DEST;
}