c check if argument is integer
bool isNumber(char number[])
{
int i = 0;
//checking for negative numbers
if (number[0] == '-')
i = 1;
for (; number[i] != 0; i++)
{
//if (number[i] > '9' || number[i] < '0')
if (!isdigit(number[i]))
return false;
}
return true;
}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;
}Copyright © 2021 Codeinu
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