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/**
* gammad -- Cooperative gamma server
* Copyright (C) 2016 Mattias Andrée (maandree@kth.se)
*
* This library 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 library 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 library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stddef.h>
/**
* Duplicate a memory segment
*
* @param src The memory segment, must not be `NULL`
* @param n The size of the memory segment, must not be zero
* @return The duplicate of the memory segment,
* `NULL` on error
*/
void* memdup(const void* src, size_t n);
/**
* Read an entire file
*
* @param fd The file descriptor
* @param n Output for the size of the file
* @return The read content, plus a NUL byte at
* the end (not counted in `*n`)
*/
void* nread(int fd, size_t* n);
/**
* Duplicate a file descriptor an make sure
* the new file descriptor's index as a
* specified minimum value
*
* @param fd The file descriptor
* @param atleast The least acceptable new file descriptor
* @return The new file descriptor, -1 on error
*/
int dup2atleast(int fd, int atleast);
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