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The C and C++ Include Header Files

/usr/include/x86_64-linux-gnu/sys/sysinfo.h


$ cat -n /usr/include/x86_64-linux-gnu/sys/sysinfo.h

     1	/* Copyright (C) 1996-2024 Free Software Foundation, Inc.
     2	   This file is part of the GNU C Library.
     3	
     4	   The GNU C Library is free software; you can redistribute it and/or
     5	   modify it under the terms of the GNU Lesser General Public
     6	   License as published by the Free Software Foundation; either
     7	   version 2.1 of the License, or (at your option) any later version.
     8	
     9	   The GNU C Library is distributed in the hope that it will be useful,
    10	   but WITHOUT ANY WARRANTY; without even the implied warranty of
    11	   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    12	   Lesser General Public License for more details.
    13	
    14	   You should have received a copy of the GNU Lesser General Public
    15	   License along with the GNU C Library; if not, see
    16	   <https://www.gnu.org/licenses/>.  */
    17	
    18	#ifndef _SYS_SYSINFO_H
    19	#define _SYS_SYSINFO_H	1
    20	
    21	#include <features.h>
    22	
    23	/* Get sysinfo structure from kernel header.  */
    24	#include <linux/kernel.h>
    25	
    26	__BEGIN_DECLS
    27	
    28	/* Returns information on overall system statistics.  */
    29	extern int sysinfo (struct sysinfo *__info) __THROW;
    30	
    31	
    32	/* Return number of configured processors.  */
    33	extern int get_nprocs_conf (void) __THROW;
    34	
    35	/* Return number of available processors.  */
    36	extern int get_nprocs (void) __THROW;
    37	
    38	
    39	/* Return number of physical pages of memory in the system.  */
    40	extern long int get_phys_pages (void) __THROW;
    41	
    42	/* Return number of available physical pages of memory in the system.  */
    43	extern long int get_avphys_pages (void) __THROW;
    44	
    45	__END_DECLS
    46	
    47	#endif	/* sys/sysinfo.h */