Re: [問題] 字串轉二進位整數

[lgen7604 ()]

C 的 strto?? 我覺得也滿好用的

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

int main (void) {
  char str[80];
  char *endptr;
  int i;

  printf("Enter a string for long int conversion: ");
  gets(str);

  i = strtol(str, &endptr, 2);
  if (endptr == str)
    printf("That is not a valid string\n");
  else {
    printf("The converted int is %d\n", i);
    if (strlen(endptr) != 0)
      printf("The remaining string from your input is \"%s\"\n", endptr);
  }
  return 0;
}

Reference:
http://www.digitalmars.com/rtl/stdlib.html#strtol

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