Method of use./change 23456 10, by the last specified in the binary display
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int Mystrlen (char *s)
{
int len=0;
Char *temp=s;
while (* (temp)! = ') '
{
++len;
++temp;
}
return Len;
}
int Str2Int (char *s)
{
int sum=0,len,i;
Len=mystrlen (s);
for (i=0;i<len;i++)
{
if ((* (s+i) < ' 0 ') | (* (S+i) > ' 9 '))
{
printf ("Warning:can ' t convert it into int \ n");
Exit (1);
}
int k=len-i;
int pow=1;
while (k>1)
{
pow*=10;
--k;
}
sum = Sum + (* (s+i)-' 0 ') *pow;
}
return sum;
}
int main (int argc, char *argv[])
{
int RESULT,SW;
if (argc!=3)
{
printf ("usage:argv[0] Number 8 | 10 | 16\n ");
Exit (1);
}
Char *s=argv[1];
Char *s2=argv[2];
printf ("%d,%d\n", Mystrlen (s), Str2Int (s));
Sw=str2int (S2);
Result=str2int (s);
Switch (SW)
{
Case 8:
printf ("%o\n", result);
Break
Case 10:
printf ("%d\n", result);
Break
Case 16:
printf ("%0x\n", result);
Break
Default
printf ("usage:argv[0] Number 8 | 10 | 16\n ");
Exit (1);
}
Exit (0);
}
Convert string to integer display
