| Term | Definition |
| fprintf | Write formatted output to stream (function) |
| fscanf | Read formatted data from stream (function) |
| printf | Print formatted data to stdout (function) |
| scanf | Read formatted data from stdin (function) |
| sprintf | Write formatted data to string (function) |
| sscanf | Read formatted data from string (function) |
| vfprintf | Write formatted variable argument list to stream (function) |
| vprintf | Print formatted variable argument list to stdout (function) |
| vsprintf | Print formatted variable argument list to string (function) |