The CSA interface enables a common interface to a calendaring
and scheduling service. For each CSA implementation, the view and
capabilities presented by CSA must be mapped to the view and capabilities
of the underlying calendaring service. The interface is designed
to be independent of the actual calendaring and scheduling implementation.
The interface is also designed to be independent of the operating
system and underlying hardware used by the calendaring service.
The number of function calls provided is minimal. A single
set of functions manage multiple types of calendar entries.
C Naming
Conventions |
 |
The identifier for an element of the C interface is derived
from the generic name of the element and its associated data type,
as specified in Table 10-1 “Derivation of C
Naming Conventions”
The generic name is prefixed with the character string in the second
column of the table; alphabetic characters are converted to the
case in the third column.
Table 10-1 Derivation of C
Naming Conventions
Element Type | Prefix | Case |
|---|
Data type | CSA_ | Lower |
Data value | CSA_ | Upper |
Function | csa_ | Lower |
Function argument | none | Lower |
Function result | none | Lower |
Constant | CSA_ | Upper |
Error | CSA_E_ | Upper |
Macro | CSA_ | Upper |
Reserved for extension sets | CSA_XS_ | Any |
Reserved for extensions | CSA_X_ | Any |
Reserved for use by implementors | CSAP | Any |
Reserved for vendor function extensions | csa_x | Lower |
Structure Tag | CSA_TAG_ | Upper |
Elements with the prefix CSAP
(any case) are reserved for internal proprietary use by implementors
of the CSA service. They are not intended for direct use by programs
written using the CSA interface.
The prefixes CSA_XS_,
CSA_X_ (in either uppercase
or lowercase), and csa_x
are reserved for extensions of the interface by vendors or groups.
The specification defines these interface extensions as extensions
to the base set of functions.
For constant data values, an additional string is usually
appended to CSA_ to indicate
the data structure or function for the constant data value.