strlen.s

来自「操作系统源代码」· S 代码 · 共 13 行

!	strlen()					Author: Kees J. Bot
!								27 Jan 1994
.sect .text; .sect .rom; .sect .data; .sect .bss

! size_t strlen(const char *s)
!	Return the length of a string.
!
.sect .text
.define _strlen
_strlen:
	mov	cx, #-1		! Unlimited length
	jmp	__strnlen	! Common code