Funkcija atoi v C-ju

#include <stdio.h>
 
main(int argc, char *argv[])
{
	int i;
	if(argc==2)
	{
    		sscanf(argv[1], "%d", &i);
    		printf("%d\n", i);
	}
	else
	{
		printf("Hint: type %s num, where num is a ",argv[0]);
		printf("number you want to convert.");
	}
 }

• my atoi.

#include <stdio.h>
 
int myAtoi(char s[])
{
        int i,n;
        i= n = 0;
        while(s[i]>='0'&&s[i]<='9')
        {
              n=n*10 + s[i]-'0';
              i++;
        }
     return (n);
 
}
int main ()
{      
        int n;
        char   s[]="122.14";
        n=myAtoi(s);
        printf("%d\n",n);
        return (0);
}