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/**
* mds — A micro-display server
* Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MDS_MDS_KBDC_FUNCTIONS_H
#define MDS_MDS_KBDC_FUNCTIONS_H
#include "string.h"
#include <stddef.h>
#include <stdarg.h>
/**
* Check whether a function is defined.
*
* @param name The name of the function.
* @param arg_count The number of arguments to pass to the function.
* @return Whether the function is defined for the selected number of arguments.
*/
int function_check_defined(const char32_t* restrict name, size_t arg_count) __attribute__((nonnull));
/**
* Invoke a function defined in the keyboard layout source code, or that is builtin.
*
* @param name The name of the function.
* @param arg_count The number of arguments to pass to the function.
* @param ...:char32_t* The arguments to pass, do not end with a sentinel.
* @return The return value of the function, `NULL` on error.
*/
char32_t* function_invoke(const char32_t* restrict name, size_t arg_count, ...) __attribute__((nonnull));
/* TODO define functions, check if function is built in */
#endif
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