Answers for "c strtol"

strtol

// definition: long int strtol (const char* str, char** endptr, int base);

/* strtol example */
#include <stdio.h>      /* printf */
#include <stdlib.h>     /* strtol */

int main ()
{
  char szNumbers[] = "2001 60c0c0 -1101110100110100100000 0x6fffff";
  char * pEnd;
  long int li1, li2, li3, li4;
  li1 = strtol (szNumbers,&pEnd,10);
  li2 = strtol (pEnd,&pEnd,16);
  li3 = strtol (pEnd,&pEnd,2);
  li4 = strtol (pEnd,NULL,0);
  printf ("The decimal equivalents are: %ld, %ld, %ld and %ld.n", li1, li2, li3, li4);
  return 0;
}

strtol in c

long int strtol(const char *str, char **endptr, int base)

strtol c

# **strtol** | string to long integer | c library function
# EX.
# include <stdlib.h> // the library required to use strtol

int main() {
    const char str[25] = "   2020 was garbage.";
    char *endptr;
    int base = 10;
    long answer;

    answer = strtol(str, &endptr, base);
    printf("The converted long integer is %ldn", answer);
    return 0;
}

# ignores any whitespace at the beginning of the string and
# converts the next characters into a long integer.
# Stops when it comes across the first non-integer character.

long strtol(const char *str, char **endptr, int base)

# str − string to be converted.

# endptr − reference to an object of type char*, whose value is set 
# to the next character in str after the numerical value.

# base − This is the base, which must be between 2 and 36 inclusive,
# or be the special value 0.

strtol c

long strtol( const char * theString, char ** end, int base );