sobuf
struct sockbuf *sb = sobuf(so, which);
struct sockbuf *sb = sobuf(so, which);
struct sockbuf *sb = sobuf(so, which);
sb = sobuf(so, which);
sb = sobuf(so, which);
struct sockbuf *sb = sobuf(so, which);
struct sockbuf *sb = sobuf(so, which);
struct sockbuf *sb = sobuf(so, which);
struct sockbuf *sb = sobuf(so, which);
if (obuf != sobuf) {
if (obuf == sobuf) {
obuf = sobuf;
memcpy(obuf, sobuf, sizeof(*obuf) * buflen);
static struct CHAR sobuf[MAXBUF]; /* static output buffer */
static struct CHAR *obuf = sobuf;