--- title: "#iscntrl articles | Hashnode" description: "Explore 3 articles tagged #iscntrl on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/iscntrl" --- Tag # #iscntrl 3 posts · 0 followers [Embedded DeepDive](https://hashnode.com/@EmbeddedDeepDive) · [Jun 22, 2023](https://hashnode.com/posts/c-library-ctypeh-header-functions/64a16206499dc8071bd2d6cc) ### [C library header functions](https://embeddeddeepdive.com/c-library-ctypeh-header-functions?utm_source=hashnode&utm_medium=feed) The header file in the C programming language provides several functions to test and manipulate characters. 2 min read · [embeddeddeepdive.com](https://embeddeddeepdive.com/c-library-ctypeh-header-functions?utm_source=hashnode&utm_medium=feed) [Embedded DeepDive](https://hashnode.com/@EmbeddedDeepDive) · [Jun 21, 2023](https://hashnode.com/posts/iscntrl-function-in-c/65d64bf39e1bce2883a6208d) ### [iscntrl() function in C](https://embeddeddeepdive.com/iscntrl-function-in-c?utm_source=hashnode&utm_medium=feed) The iscntrl() function in C is used to check whether a character is a control character. 1 min read · [embeddeddeepdive.com](https://embeddeddeepdive.com/iscntrl-function-in-c?utm_source=hashnode&utm_medium=feed)