Answers for "check if variable is a number in c"

C

1

how to make sure input is integer c

#include <string.h>  

bool isNumber(string s) 
{ 
    for (int i = 0; i < strlen(s); i++) 
        if (isdigit(s[i]) == false) 
            return false; 
  
    return true; 
}

Posted by: Guest on December-21-2020

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