iccavr编译器下的源代码

				#include 
				
				char *strrchr(CONST char *s, int c)
					{
					CONST char *p;
				
					for (p = 0; *s; s++)
						if (*s == c)
							p = s;
					if (*s == c)
						p = s;
					return (char *)p;
					}