150     ev_ssize_t howmuch);
2033 _evbuffer_read_setup_vecs(struct evbuffer *buf, ev_ssize_t howmuch,  in _evbuffer_read_setup_vecs()  argument
2043 	if (howmuch < 0)  in _evbuffer_read_setup_vecs()
2054 	for (i = 0; i < n_vecs_avail && so_far < (size_t)howmuch; ++i) {  in _evbuffer_read_setup_vecs()
2056 		if (avail > (howmuch - so_far) && exact)  in _evbuffer_read_setup_vecs()
2057 			avail = howmuch - so_far;  in _evbuffer_read_setup_vecs()
2090 evbuffer_read(struct evbuffer *buf, evutil_socket_t fd, int howmuch)  in evbuffer_read()  argument
2113 	if (howmuch < 0 || howmuch > n)  in evbuffer_read()
2114 		howmuch = n;  in evbuffer_read()
2119 	if (_evbuffer_expand_fast(buf, howmuch, NUM_READ_IOVEC) == -1) {  in evbuffer_read()
2125 		nvecs = _evbuffer_read_setup_vecs(buf, howmuch, vecs,  in evbuffer_read()
2131 		nvecs = _evbuffer_read_setup_vecs(buf, howmuch, ev_vecs, 2,  in evbuffer_read()
2161 	if ((chain = evbuffer_expand_singlechain(buf, howmuch)) == NULL) {  in evbuffer_read()
2170 	n = read(fd, p, howmuch);  in evbuffer_read()
2172 	n = recv(fd, p, howmuch, 0);  in evbuffer_read()
2222 evbuffer_readfile(struct evbuffer *buf, evutil_socket_t fd, ev_ssize_t howmuch)  in evbuffer_readfile()  argument
2235 	if (howmuch < 0)  in evbuffer_readfile()
2236 		howmuch = 16384;  in evbuffer_readfile()
2241 	nchains = evbuffer_reserve_space(buf, howmuch, v, 2);  in evbuffer_readfile()
2273     ev_ssize_t howmuch)  in evbuffer_write_iovec()  argument
2279 	if (howmuch < 0)  in evbuffer_write_iovec()
2286 	while (chain != NULL && i < NUM_WRITE_IOVEC && howmuch) {  in evbuffer_write_iovec()
2293 		if ((size_t)howmuch >= chain->off) {  in evbuffer_write_iovec()
2296 			howmuch -= chain->off;  in evbuffer_write_iovec()
2299 			iov[i++].IOV_LEN_FIELD = (IOV_LEN_TYPE)howmuch;  in evbuffer_write_iovec()
2324     ev_ssize_t howmuch)  in evbuffer_write_sendfile()  argument
2378     ev_ssize_t howmuch)  in evbuffer_write_atmost()  argument
2388 	if (howmuch < 0 || (size_t)howmuch > buffer->total_len)  in evbuffer_write_atmost()
2389 		howmuch = buffer->total_len;  in evbuffer_write_atmost()
2391 	if (howmuch > 0) {  in evbuffer_write_atmost()
2395 			n = evbuffer_write_sendfile(buffer, fd, howmuch);  in evbuffer_write_atmost()
2399 		n = evbuffer_write_iovec(buffer, fd, howmuch);  in evbuffer_write_atmost()
2403 		void *p = evbuffer_pullup(buffer, howmuch);  in evbuffer_write_atmost()
2404 		EVUTIL_ASSERT(p || !howmuch);  in evbuffer_write_atmost()
2405 		n = send(fd, p, howmuch, 0);  in evbuffer_write_atmost()
2407 		void *p = evbuffer_pullup(buffer, howmuch);  in evbuffer_write_atmost()
2408 		EVUTIL_ASSERT(p || !howmuch);  in evbuffer_write_atmost()
2409 		n = write(fd, p, howmuch);  in evbuffer_write_atmost()