Where Online Learning is simpler!

The C and C++ Include Header Files

/usr/include/linux/sysinfo.h

$ cat -n /usr/include/linux/sysinfo.h

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	#ifndef _LINUX_SYSINFO_H
     3	#define _LINUX_SYSINFO_H
     4	
     5	#include <linux/types.h>
     6	
     7	#define SI_LOAD_SHIFT	16
     8	struct sysinfo {
     9		__kernel_long_t uptime;		/* Seconds since boot */
    10		__kernel_ulong_t loads[3];	/* 1, 5, and 15 minute load averages */
    11		__kernel_ulong_t totalram;	/* Total usable main memory size */
    12		__kernel_ulong_t freeram;	/* Available memory size */
    13		__kernel_ulong_t sharedram;	/* Amount of shared memory */
    14		__kernel_ulong_t bufferram;	/* Memory used by buffers */
    15		__kernel_ulong_t totalswap;	/* Total swap space size */
    16		__kernel_ulong_t freeswap;	/* swap space still available */
    17		__u16 procs;		   	/* Number of current processes */
    18		__u16 pad;		   	/* Explicit padding for m68k */
    19		__kernel_ulong_t totalhigh;	/* Total high memory size */
    20		__kernel_ulong_t freehigh;	/* Available high memory size */
    21		__u32 mem_unit;			/* Memory unit size in bytes */
    22		char _f[20-2*sizeof(__kernel_ulong_t)-sizeof(__u32)];	/* Padding: libc5 uses this.. */
    23	};
    24	
    25	#endif /* _LINUX_SYSINFO_H */
Welcome to MyWebUniversity on May 19, 2025.
