blob: d1f416ef3518aee788f5560501d1576ebed71105 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
*/
#define import_spp
#define import_libc
#define import_xnames
#include <iraf.h>
/* C_UNGETC -- Push a character back into the input stream. Pushback is last
** in first out, i.e., the last character pushed back is the first one
** read by GETC. Characters (and strings) may be pushed back until the
** FIO pushback buffer overflows.
*/
int
c_ungetc (
XINT fd, /* file */
int ch /* char to be pushed */
)
{
XINT x_fd = fd;
XCHAR x_ch = ch;
iferr (UNGETC (&x_fd, &x_ch))
return (ERR);
else
return (OK);
}
|
