has_zero

函数名称：判断为零

函数原型：static inline unsigned long has_zero(unsigned long a, unsigned long *bits, const struct word_at_a_time *c)

返回类型：unsigned long

参数：

**调用者**
名称	描述
strscpy	strscpy - Copy a C-string into a sized buffer@dest: Where to copy the string to@src: Where to copy the string from@count: Size of destination buffer Copy the string, or as much of it as fits, into the dest buffer. The
do_strncpy_from_user	复制指定长度字符串
do_strnlen_user	Do a strnlen, return length of string with final '\0'.* 'count' is the user-supplied count, while 'max' is the* address space maximum.* Return 0 for exceptions (which includes hitting the address* space maximum), or 'count+1' if hitting the user-supplied

函数逻辑报告