/* strncpy.c - string copy, string *//* Copyright 1992-1993 Wind River Systems, Inc. *//*modification history--------------------01c,25feb93,jdi  documentation cleanup for 5.1.01b,20sep92,smb  documentation additions01a,08jul92,smb  written and documented.*//*DESCRIPTIONINCLUDE FILES: string.hSEE ALSO: American National Standard X3.159-1989NOMANUAL*/#include "vxWorks.h"#include "string.h"/********************************************************************************* strncpy - copy characters from one string to another (ANSI)** This routine copies <n> characters from string <s2> to string <s1>.* If <n> is greater than the length of <s2>, nulls are added to <s1>.* If <n> is less than or equal to the length of <s2>, the target* string will not be null-terminated.** INCLUDE FILES: string.h** RETURNS: A pointer to <s1>.*/char *strncpy    (    char *      s1,   	/* string to copy to */    const char *s2,   	/* string to copy from */    size_t      n      	/* max no. of characters to copy */    )    {    FAST char *d = s1;    if (n != 0)	{	while ((*d++ = *s2++) != 0)	/* copy <s2>, checking size <n> */	    {	    if (--n == 0)		return (s1);            }	while (--n > 0)	    *d++ = EOS;			/* NULL terminate string */	}    return (s1);    }