?? open.c
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/* * linux/lib/open.c * * (C) 1991 Linus Torvalds */#define __LIBRARY__#include <unistd.h>#include <stdarg.h>int open(const char * filename, int flag, ...){ register int res; va_list arg; va_start(arg,flag); __asm__("movl %2,%%ebx\n\t" "int $0x80" :"=a" (res) :"0" (__NR_open),"g" ((long)(filename)),"c" (flag), "d" (va_arg(arg,int))); if (res>=0) return res; errno = -res; return -1;}?? 快捷鍵說明
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