sendfile.c

来自「unix环境高级编程的源代码」· C语言 代码 · 共 18 行

#include    "lprps.h"

void
send_file(void)        /* called by main() to copy stdin to printer */
{
    int        c;

    init_input(1);
    set_intr();                /* we catch SIGINT */

    while ( (c = getchar()) != EOF)        /* main loop of program */
        out_char(c);        /* output each character */
    out_char(EOF);            /* output final buffer */

    block_write(&eofc, 1);     /* send EOF to printer */
    proc_upto_eof(0);        /* wait for printer to send EOF back */
}