Iterating with sscanf

Question

I do not know much about the sscanf function, but what I am trying to do is iterate through a line of integers. Given the variable

    char *lineOfInts
         


        

Answer 1

You can use strtol in a loop until you don't find the NUL character, if you need to store those numbers use an array:

#include 
#include 

#define MAX_NUMBERS 10

int main(void) 
{
    char *str = "12 45 16 789 99";
    char *end = str;
    int numbers[MAX_NUMBERS];
    int i, count = 0;

    for (i = 0; i < MAX_NUMBERS; i++) {
        numbers[i] = (int)strtol(end, &end, 10);
        count++;
        if (*end == '\0') break;
    }
    for (i = 0; i < count; i++) {
        printf("%d\n", numbers[i]);
    }
    return 0;
}