tst_scanf.c

KEILC51程序实例和配套硬件目标板,很详细,程序有注释

#include <stdio.h>
void tst_scanf (void) {
   char a;
   int b;
   long c;
   unsigned char x;
   unsigned int y;
   unsigned long z;
   float f,g;
   char d, buf [10];
   int argsread;
   printf ("Enter a signed byte, int, and long\n");
   argsread = scanf ("%bd %d %ld", &a, &b, &c);
   printf ("%d arguments read\n", argsread);
   printf ("Enter an unsigned byte, int, and long\n");
   argsread = scanf ("%bu %u %lu", &x, &y, &z);
   printf ("%d arguments read\n", argsread);
   printf ("Enter a character and a string\n");
   argsread = scanf ("%c %9s", &d, buf);
   printf ("%d arguments read\n", argsread);
   printf ("Enter two floating-point numbers\n");
   argsread = scanf ("%f %f", &f, &g);
   printf ("%d arguments read\n", argsread);
}