Question

How to convert a string to long in C

Answer 1

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

int main(void)
{
    char str[] = "09483751";

    long l = strtol(str, NULL, 10);

    printf("%ld\n", l);

    printf("%0*ld\n", (int)strlen(str), l);

    return 0;
}




/*
run:

9483751
09483751

*/

 

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