Data Type C Tutorial

The atoi() function converts a string into an integer value.

#include 
#include 
 
int main()
{
    int age;
    char years[8];
 
    printf("Age:");
    gets(years);
    age=atoi(years);
    printf("Age was %d years old.\n",age);
    return(0);
}
Age:1
Age was 1 years old.