scanf
if (scanf("%d", &player) != 1 || player < 0
(void) scanf("%9s", buf);
(void) scanf("%d", &game);
scanf("%*[ \t;]");
if ((c = scanf("%99[^ \t;\n]", input)) < 0)
scanf("%*[\t ;]");
i = scanf(format, r);
i = scanf("%d", &n);
i = scanf("%lf", &d);
int scanf(const char *, ...);
__attribute__((__format__ (scanf, 2, 0)))
__attribute__((__format__ (scanf, 1, 0)))
__attribute__((__format__ (scanf, 2, 0)))
PROTO_NORMAL(scanf);
DEF_STRONG(scanf);
#ifndef scanf
#define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
#define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
while (scanf("%6c %lx %lx %lx %lx\n", opspec, &op1.input,
TEST_NARROW_STD(stdin, scanf("%s\n", buffer));
while (scanf("%llu", &inode) == 1) {