{{keywords>wiki library source code example reference}}
====== strtol ======
<code c>
    #include <stdlib.h>
    long int strtol(const char *str, char **endptr, int base);
</code>
strtol Converting a string to an long integer\\
str: the string to be converted\\
endptr: address of a pointer variable that points to the last character read, so the character that is not owned by a number\\
base: base between 2 and 36\\
\\
Be found unprefixed numbers, these numbers in base 10 are accepted.\\
If the base '0 'is specified, the strings make a reference to the basis used\\
(leading "0x" for hexadecimal, "0" for octal, numbers).\\


===== strtol c code example =====  
<code c>
/* 
 * strtol example code
 * http://code-reference.com/c/stdlib.h/strtol
 */
#include <stdio.h>
#include <stdlib.h>

int main ( void )
{
  char string[] ="20405";
  char *endptr;
  long int number;

  number = strtol(string, &endptr, 10);
  printf("string is %s\n",string);
  printf("long int is %li\n", number);

  return 0;
}
</code>

==== Output ====

    user@host:~$ ./strtol
    string is 20405
    long int is 20405