49 static int	fmemopen_read(void *cookie, char *buf, int nbytes);
50 static int	fmemopen_write(void *cookie, const char *buf, int nbytes);
167 fmemopen_read(void *cookie, char *buf, int nbytes)  in fmemopen_read()  argument
171 	if (nbytes > ck->len - ck->off)  in fmemopen_read()
172 		nbytes = ck->len - ck->off;  in fmemopen_read()
174 	if (nbytes == 0)  in fmemopen_read()
177 	memcpy(buf, ck->buf + ck->off, nbytes);  in fmemopen_read()
179 	ck->off += nbytes;  in fmemopen_read()
181 	return (nbytes);  in fmemopen_read()
185 fmemopen_write(void *cookie, const char *buf, int nbytes)  in fmemopen_write()  argument
189 	if (nbytes > ck->size - ck->off)  in fmemopen_write()
190 		nbytes = ck->size - ck->off;  in fmemopen_write()
192 	if (nbytes == 0)  in fmemopen_write()
195 	memcpy(ck->buf + ck->off, buf, nbytes);  in fmemopen_write()
197 	ck->off += nbytes;  in fmemopen_write()
211 	return (nbytes);  in fmemopen_write()