by Dinesh Thakur Category: C Programming (Pratical)




void main()
char ch;
ch = getc(stdin);
if(ch == '.') break;
if(isalnum(ch)) printf("%c is alphanumeric\n", ch);
s is alphanumeric
4 is alphanumeric

About Dinesh Thakur

Dinesh ThakurDinesh Thakur holds an B.SC (Computer Science), MCSE, MCDBA, CCNA, CCNP, A+, SCJP certifications. Dinesh authors the hugely popular blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps. For any type of query or something that you think is missing, please feel free to Contact us.