ocr: $11 GUST 1.1.0 Teference PROMPTING TTTT. CSER rOR AY ADDRISS 4 11. Overvicw. Tlis: Seclion discusses tie routines comToN 10 all, or almol all communicationdomais. These roulines returi -1 if an error occurred, and scb the variable CIYNO lo an crror code. On succcss, the routines return 0 OT some positive value. Some common eTTOT codes are: EBADF The descriptor number yon passed doesnit refer to a. valid tile or socket. ENOMEM Sorne memory crror occurred. EIVIR The user interrupted a lengthy operation by pressing Command P'eriod. ENOTCONN The socket is not connected and must be connected for th ...
