/usr/include/diet/mmap.h is in libowfat-dietlibc-dev 0.29-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | /* this header file comes from libowfat, http://www.fefe.de/libowfat/ */
#ifndef MMAP_H
#define MMAP_H
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
/* open file for reading, mmap whole file, close file, write length of
* map in filesize and return pointer to map. */
char* mmap_read(const char *filename,size_t* filesize);
/* open file for writing, mmap whole file privately (copy on write),
* close file, write length of map in filesize and return pointer to
* map. */
char* mmap_private(const char *filename,size_t* filesize);
/* open file for writing, mmap whole file shared, close file, write
* length of map in filesize and return pointer to map. */
char* mmap_shared(const char *filename,size_t* filesize);
/* unmap a mapped region */
int mmap_unmap(char* mapped,size_t maplen);
#ifdef __cplusplus
}
#endif
#endif
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