mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-19 06:58:54 +08:00
44 lines
689 B
C
44 lines
689 B
C
#ifndef STDIO_H
|
|
#define STDIO_H <iostdio.h>
|
|
#endif
|
|
#include STDIO_H
|
|
|
|
void
|
|
t1 ()
|
|
{
|
|
int n = -1;
|
|
sscanf ("abc ", "abc %n", &n);
|
|
printf ("t1: count=%d\n", n);
|
|
}
|
|
|
|
void
|
|
t2 ()
|
|
{
|
|
int n;
|
|
long N;
|
|
int retval;
|
|
#define SCAN(INPUT, FORMAT, VAR) \
|
|
VAR = -1; \
|
|
retval = sscanf (INPUT, FORMAT, &VAR); \
|
|
printf ("sscanf (\"%s\", \"%s\", &x) => %d, x = %ld\n", \
|
|
INPUT, FORMAT, retval, (long)VAR);
|
|
|
|
SCAN ("12345", "%ld", N);
|
|
SCAN ("12345", "%llllld", N);
|
|
SCAN ("12345", "%LLLLLd", N);
|
|
SCAN ("test ", "%*s%n", n);
|
|
SCAN ("test ", "%2*s%n", n);
|
|
SCAN ("12 ", "%l2d", n);
|
|
SCAN ("12 ", "%2ld", N);
|
|
}
|
|
|
|
int
|
|
main ()
|
|
{
|
|
t1 ();
|
|
t2 ();
|
|
|
|
fflush (stdout);
|
|
return 0;
|
|
}
|