Category : C Source Code
Archive   : ECSTR.ZIP
Filename : STRLEN.C

 
Output of file : STRLEN.C contained in archive : ECSTR.ZIP
/* File : strlen.c
Author : Richard A. O'Keefe.
Updated: 23 April 1984
Defines: strlen()

strlen(s) returns the number of characters in s, that is, the number
of non-NUL characters found before the closing NULEosCh. Note: some
non-standard C compilers for 32-bit machines take int to be 16 bits,
either put up with short strings or change int to long throughout
this package. Better yet, BOYCOTT such shoddy compilers.
Beware: the asm version works only if strlen(s) < 65536.
*/

#include "strings.h"

#if VaxAsm

int strlen(s)
char *s;
{
asm("locc $0,$65535,*4(ap)");
asm("subl3 r0,$65535,r0");
}

#else ~VaxAsm

int strlen(s)
register char *s;
{
register int L;

for (L = 0; *s++; L++) ;
return L;
}

#endif VaxAsm



  3 Responses to “Category : C Source Code
Archive   : ECSTR.ZIP
Filename : STRLEN.C

  1. Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/