scanf
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 * __restrict, ...) __scanflike(1, 2);
#define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
#define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
while (scanf("%"SCNuMAX,&inode) == 1) {
while (scanf("%x", &i) != EOF) {