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/***
*strlen.c - contains strlen() routine
*
* Copyright (c) 1985-1991, Microsoft Corporation. All rights reserved.
*
*Purpose:
* strlen returns the length of a null-terminated string,
* not including the null byte itself.
*
*Revision History:
* 05-31-89 JCR C version created.
* 02-27-90 GJF Fixed calling type, #include <cruntime.h>, fixed
* copyright.
* 10-02-90 GJF New-style function declarator.
* 04-01-91 SRW Add #pragma function for i386 _WIN32_ and _CRUISER_
* builds
* 04-05-91 GJF Speed up just a little bit.
*
*******************************************************************************/
#include <cruntime.h>
#include <string.h>
#if defined(_CRUISER_) || defined(i386)
#pragma function(strlen)
#endif /* ndef _CRUISER_ */
/***
*strlen - return the length of a null-terminated string
*
*Purpose:
* Finds the length in bytes of the given string, not including
* the final null character.
*
*Entry:
* const char * str - string whose length is to be computed
*
*Exit:
* length of the string "str", exclusive of the final null byte
*
*Exceptions:
*
*******************************************************************************/
size_t _CALLTYPE1 strlen (
const char * str
)
{
const char *eos = str;
while( *eos++ ) ;
return( (int)(eos - str - 1) );
}
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