---
title: "Using QL C, Part Two: Using QDOS with C"
type: "article"
slug: "using-ql-c-part-two-using-qdos-with-c"
url: "http://localhost/article/using-ql-c-part-two-using-qdos-with-c/"
markdown_url: "http://localhost/article/using-ql-c-part-two-using-qdos-with-c.md"
published_at: "2026-03-13T13:58:01+00:00"
modified_at: "2026-03-13T13:58:02+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Continues the QL C series with a mini library for accessing QDOS traps from Metacomco C using qdos1/2/3 wrapper functions. Implements CLS, INPUT (with cursor movement), RESIZE, TIME, and BEEP routines, referencing the Sinclair QDOS Companion and QL Technical Guide."
category:
  - name: "The RAMTOP"
    slug: "the-ramtop"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/the-ramtop/"
post_tag:
  - name: "C (programming language)"
    slug: "c-programming-language"
    taxonomy: "post_tag"
    url: "http://localhost/tag/c-programming-language/"
  - name: "QL"
    slug: "ql"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ql/"
model:
  - name: "Sinclair QL"
    slug: "sinclair-ql"
    taxonomy: "model"
    url: "http://localhost/model/sinclair-ql/"
indiv:
  - name: "David Hoshor"
    slug: "david-hoshor"
    taxonomy: "indiv"
    url: "http://localhost/indiv/david-hoshor/"
publication_r:
  id: 39272
  title: "The RAMTOP"
  type: "periodical"
  url: "http://localhost/periodical/the-ramtop/"
authors_r:
  - name: "David Hoshor"
    slug: "david-hoshor"
    taxonomy: "indiv"
    url: "http://localhost/indiv/david-hoshor/"
issues_articles:
  - id: 50267
    title: "The RAMTOP Mar-Apr 1988"
    type: "issue"
    url: "http://localhost/issue/the-ramtop-mar-apr-1988/"
pages: "5"
pubdate: "Mar-Apr 1988"
archive_link: false
---

Continues the QL C series with a mini library for accessing QDOS traps from Metacomco C using qdos1/2/3 wrapper functions. Implements CLS, INPUT (with cursor movement), RESIZE, TIME, and BEEP routines, referencing the Sinclair QDOS Companion and QL Technical Guide.