Muhammad Hassaan Shahembeddeddeepdive.comยทJun 21, 2023isdigit() function in CUsing the isdigit() function in C The isdigit() function in C is used to check whether a character is a digit (0 to 9). The function takes a character as input and returns a non-zero value if the character is a digit, or zero if the character is not ...#ctypeheaderAdd a thoughtful commentNo comments yetBe the first to start the conversation.