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Length: 1368 (0x558)
Types: TextFile
Names: »CPR.S«
└─⟦b21be6f3b⟧ Bits:30005082 8" CR80 Floppy CR80FD_0036 ( CR/D/3143 KLP & KMO C-KURSUS + C JOBFILER 861127 Volume MOVEFL RAM TEST css/709 #0000-7fff V24+SCM )
└─⟦95f1eafb2⟧
└─ ⟦this⟧ »GR1.D!CPR.D!CPR.S«
└─⟦c25823ad8⟧ Bits:30005089 8" CR80 Floppy CR80FD_0044 ( @*FLOPPY C )
└─⟦feb1d529a⟧
└─ ⟦this⟧ »GR1.D!CPR.D!CPR.S«
#include <std.h>
main ()
{
BOOL ok;
char cpr [10];
readcpr (cpr, ok);
if (ok) /* cpr no numeric */
{ checkcpr (cpr, ok); /* check date, month, year */
if (ok) /* cpr no valid */
{ modcpr (cpr, ok);
if (ok)
putfmt ("CPR number okey-dokey\n");
else
putfmt ("CPR number NOT ok\n");
} /* end brace */
} /* end grace */
return (1);
} /* space */
/* internal PROCEDURES */
readcpr (cpr, ok)
char cpr [10];
BOOL ok;
{
int count = 0;
putfmt ("Enter cpr number\n");
while (count++ < 10)
{
cpr [count] = getch();
ok = isdigit (cpr [count]);
if (!ok) break;
}
if (!ok)
putfmt ("Invalid digit in number\n");
}
checkcpr (cpr, ok)
char cpr [10];
BOOL ok;
{
/* chec«fs»k day format yymmddnnnn */
int index = 0;
ok = !(cpr [index] > "3");
if (ok)
if (cpr [index++] == "3")
ok = !(cpr [index++] > "1");
if (ok) /* check month */
{
ok = !(cpr [index] > "1");
if (ok)
if (cpr [index++] == "1")
ok = !(cpr [index] > "2");
}
if (!ok)
putfmt ("Invalid birthday in number\n");
}
modcpr (cpr, ok)
char *cpr;
BOOL ok;
{
static int check [10] = {4,3,2,7,6,5,4,3,2,1};
int sum, count;
for (sum = 0, count = 0; count < 10;
sum += (check [count] * (cpr[count] - '0')), count++);
ok = !(sum % 11);
} «a5»