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Nov 4, 2021 · In this tutorial we will learn writing C Program to check a given character is digit or not. We have multiple ways to write this program. Here we will see two ways first one will be checking with if else and second we will use isdigit () function available in ctype.h.
C Program to Check Whether a Character is Digit or not Program #include<stdio.h> #include<conio.h> int main() { char ch; clrscr(); printf("Enter chracter: "); scanf("%c", &ch); if(ch>='0' && ch ='9') { printf("%c is DIGIT.", ch); } else { printf("%c is NOT DIGIT.", ch); } getch(); return(0); }
The isDigit () function is used to check the given character is a digit or not. In the main () function, we read a character from the user and check given character is a digit or not by calling the isDigit () function and print the appropriate message on the console screen. C Basic Programs ».
Program to check character is a digit or not using IsDigit function. First, we will take the input character from the user. Then will pass that character in the conditional statements to find whether the character is the digit or not without using the isdigit function.
Apr 3, 2023 · The isdigit () in C is a function that can be used to check if the passed character is a digit or not. It returns a non-zero value if it’s a digit else it returns 0. For example, it returns a non-zero value for ‘0’ to ‘9’ and zero for others. The isdigit () function is declared inside ctype.h header file.
In C programming, library function isdigit( ) checks whether a character is numeric character(0-9) or not. If a character passed to isdigit( ) is a digit, it returns non-zero integer and if not it returns 0.
May 22, 2015 · Write a C program to input a character from user and check whether given character is alphabet, digit or special character using if else. How to check if a character is alphabet, digits or any other special character using if else in C programming.
