#include <stdio.h> #include <stdlib.h> int main (int argc, char *argv[]) { int i,n,r; n = i = r = -1; r = sscanf ("1234:567", "%d%n", &i, &n); printf ("%d %d %d\n", r, n, i); if (r != 1 || i != 1234 || n != 4) abort (); return 0; }