46 static int	fmemopen_read(void *cookie, char *buf, int nbytes);
47 static int	fmemopen_write(void *cookie, const char *buf, int nbytes);
164 fmemopen_read(void *cookie, char *buf, int nbytes)  in fmemopen_read()  argument
168 	if (nbytes > ck->len - ck->off)  in fmemopen_read()
169 		nbytes = ck->len - ck->off;  in fmemopen_read()
171 	if (nbytes == 0)  in fmemopen_read()
174 	memcpy(buf, ck->buf + ck->off, nbytes);  in fmemopen_read()
176 	ck->off += nbytes;  in fmemopen_read()
178 	return (nbytes);  in fmemopen_read()
182 fmemopen_write(void *cookie, const char *buf, int nbytes)  in fmemopen_write()  argument
186 	if (nbytes > ck->size - ck->off)  in fmemopen_write()
187 		nbytes = ck->size - ck->off;  in fmemopen_write()
189 	if (nbytes == 0)  in fmemopen_write()
192 	memcpy(ck->buf + ck->off, buf, nbytes);  in fmemopen_write()
194 	ck->off += nbytes;  in fmemopen_write()
208 	return (nbytes);  in fmemopen_write()