模拟实现:strlen,strcat,strchr,strcpy,strcat...
模拟实现的字符串处理函数: strlen,strcat,strncat,strchr,strrchr,strcpy,strncpy1.strlen,求字符串的长度,不算‘/0’size_t mystrlen(const char *string){ const char *p = string; while (*p++) {} return(p - ...