DESCRIPTION
These functions extract and use capabilities from a keyboard capability data base, usually /usr/share/misc/keycap.pcvt, the format of which is described in keycap(5). The kgetent function extracts the entry for keyboard mapping name into the buffer at bp. The bp argument should be a character buffer of size 1024 and must be retained through all subsequent calls to kgetnum, kgetflag, and kgetstr. The kgetent function returns -1 if none of the keycap data base files could be opened, 0 if the map name given does not have an entry, and 1 if all goes well.
The kgetnum function gets the numeric value of capability id, returning -1 if is not given for the map.
The kgetflag function returns 1 if the specified capability is present in the map’s entry, 0 if it is not.
The kgetstr function returns the string value of the capability id, places it in the buffer at area, and advances the area pointer. The kgetstr function returns NULL if the capability was not found.
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