p2-13.c

SUN Solaris8平台下进程间通信

#include <stdio.h>
#include "err_exit.h"
int main(void)
{
    FILE *tempfp;
    char line[256];
    /*创建并打开一个临时文件 */
    tempfp = tmpfile();
    if (tempfp == NULL)
       err_exit("tmpfile error");
    printf("Opened a temporary file OK\n");
    /* 往临时文件写入一行数据,然后将它读出并写至标准输出 */
    fputs(" One line of output\n", tempfp);
    rewind(tempfp);
    if(fgets(line, sizeof(line), tempfp) == NULL)
       err_exit("fgets error");
    fputs(line,stdout); 
    exit(0);
}