lin200753的专栏

http://blog.youkuaiyun.com/caianye/article/details/5947282 http://www.embedu.org/Column/Column472.htm

#ifndef __HAVE_ARCH_STRCHR /** * strchr - Find the first occurrence of a character in a string * @s: The string to be searched * @c: The character to search for */ char *strchr(const char *s, int