Specifies the input context.
The return value of XmbResetIC is its current preedit string as a multibyte string. The return value of XwcResetIC is its current preedit string as a wide character string. The return value of Xutf8ResetIC is its current preedit string as an UTF-8 string. If there is any preedit text drawn or visible to the user, then these procedures must return a non-NULL string. If there is no visible preedit text, then it is input method implementation-dependent whether these procedures return a non-NULL string or NULL.
The client should free the returned string by calling XFree.
The function Xutf8ResetIC is an XFree86 extension introduced in XFree86 4.0.2. Its presence is indicated by the macro X_HAVE_UTF8_STRING.
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