ctermid.c

来自「unix环境高级编程的源代码」· C语言 代码 · 共 13 行

#include    <stdio.h>
#include    <string.h>

static char    ctermid_name[L_ctermid];

char *
ctermid(char *str)
{
    if (str == NULL)
        str = ctermid_name;
    return(strcpy(str, "/dev/tty"));    /* strcpy() returns str */
}