显示Android当前可用系统内存方法

#include <sys/sysinfo.h>

#include <stdio.h>

#include <unistd.h>

#include <sys/syscall.h>

#include <strings.h>



int main(int argc, char ** argv) {



    struct sysinfo si;

    int rc;



    bzero(&si, sizeof(struct sysinfo));

    rc = syscall(__NR_sysinfo, &si);


    fprintf(stdout, "rc=%d, total RAM reported %ld/n", rc, si.totalram);



    return 0;



}