fix doc tpyos, rename some enums, fix printf format len for non-zero terminated strings (hg status), pass args to memcache_cmd_format_header via memcache_req_*, handle zero-length STORE requests, memcache_req is_buf_ours + free, other function name typos (keymemcache_req_key), fix req state behaviour re *_DATA_* for STORE requests and FETCH/END, better memcache_server connpool events/management, modular memcache_test with a working benchmark. This is a long commit message.

#include <sys/types.h>

#define RENDER_PORT 6159
#define RENDER_PORT_NAME "6159"

#pragma pack(push)
#pragma pack(1)

struct render_cmd {
    u_int8_t    mode;

    u_int32_t   img_w;
    u_int32_t   img_h;

    double      x1;
    double      y1;
    double      x2;
    double      y2;
};

#pragma pack(pop)