The atoi() function: read numeric values from the keyboard : int Conversion « Data Type « C Tutorial

1. C Tutorial
2. Data Type
3. int Conversion

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

#include <stdio.h>
#include <stdlib.h>
 
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.