HelenOS sources

http_header_encode   97 uspace/lib/http/include/http/http.h ssize_t http_header_encode(http_header_t *, char *, size_t);
http_header_encode   97 uspace/lib/http/src/request.c 		ssize_t header_size = http_header_encode(header, NULL, 0);
http_header_encode  119 uspace/lib/http/src/request.c 		written = http_header_encode(header, pos, pos_size);