implemented gethd

src/userinput.c

@@ -6,6 +6,7 @@
 #include <string.h>
 #include <math.h>
 #include <stdbool.h>
+#include <limits.h>
 
 #define LD(name)\
     long double name##ldvalue;\
@@ -159,4 +160,10 @@ long double getNumber(char *message, long double *min, long double *max, long do
         printf("\n");
         fflush(stdout);
     }
+}
+
+short gethd(char *message, short *min, short *max) {
+    LD(min)
+    LD(max)
+    return getNumber(message, minld, maxld, NULL, NULL, SHRT_MIN, SHRT_MAX);
 }