/* memchr.c - search memory for a character, 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"/********************************************************************************* memchr - search a block of memory for a character (ANSI)** This routine searches for the first element of an array of `unsigned char',* beginning at the address <m> with size <n>, that equals <c> converted to* an `unsigned char'.** INCLUDE FILES: string.h** RETURNS: If successful, it returns the address of the matching element;* otherwise, it returns a null pointer.*/void * memchr    (    const void * m,		/* block of memory */    int 	 c,		/* character to search for */    size_t 	 n		/* size of memory to search */    )    {    uchar_t *p = (uchar_t *) CHAR_FROM_CONST(m);    if (n != 0)	do 	    {	    if (*p++ == (unsigned char) c)		return (VOID_FROM_CONST(p - 1));	    } while (--n != 0);    return (NULL);    }