setmntent 函数获取磁盘信息

setmntent获取磁盘信息

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STATFS(2) NetBSD Programmer's Manual STATFS(2)

NAME

statfs, fstatfs - get file system statistics

SYNOPSIS

#include <sys/param.h>

#include <sys/mount.h>

int statfs(const char *path, struct statfs *buf);

int fstatfs(int fd, struct statfs *buf);

#include <stdio.h>

#include <sys/statfs.h>

int main()

{

struct statfs buf;

int i;

i = statfs("/",&buf);

if (i == 0) {

printf("Filesystem / total block: %ld KB, free block: %ld KB\n",

buf.f_blocks*(buf.f_bsize/1024), buf.f_bfree*(buf.f_bsize/1024));

}

return 0;

}