strlen.c
上传用户:nvosite88
上传日期:2007-01-17
资源大小:4983k
文件大小:1k
- /* strlen.c - file for string */
- /* Copyright 1992-1993 Wind River Systems, Inc. */
- /*
- modification history
- --------------------
- 01c,25feb93,jdi documentation cleanup for 5.1.
- 01b,20sep92,smb documentation additions
- 01a,08jul92,smb written and documented.
- */
- /*
- DESCRIPTION
- INCLUDE FILES: string.h
- SEE ALSO: American National Standard X3.159-1989
- NOMANUAL
- */
- #include "vxWorks.h"
- #include "string.h"
- /*******************************************************************************
- *
- * strlen - determine the length of a string (ANSI)
- *
- * This routine returns the number of characters in <s>, not including EOS.
- *
- * INCLUDE FILES: string.h
- *
- * RETURNS: The number of non-null characters in the string.
- */
- size_t strlen
- (
- const char * s /* string */
- )
- {
- const char *save = s + 1;
- while (*s++ != EOS)
- ;
- return (s - save);
- }