The UNDER-C (TM) Library

The UNDER-C Library was developed in 1984-1987 by Quayle Research, Inc., the predecessor to Quayle Consulting, Inc. It provided access to BIOS and DOS functions not provided by normal means, and includes the program PFS2TXT, which translates pfs:Write and IBM Writing Assistant files to text format.

The UNDER-C Library is a collection of functions and utilities callable from C and other languages. It has 122 BIOS, DOS, and other functions, including functions to build screens similiar to dBase.

The library includes utilities such as MAKE; CPRINT, a general-purpose printing program; and PFS2TXT, which translates pfs:Write and IBM Writing Assistant files to text format.

Complete source code is provided. No royalities Not copy-protected. Includes a 200-page manual and five 5-1/4" floppy disks. The UNDER-C Library works with IBM PC-compatible PCs using the following C compilers:

  • Microsoft C, version 4.0
  • Lattice C, versions 3.10 and 2.15
  • Computer Innovations C86
  • DeSmet C
  • Instant-C

For those with a nostalgic nature, several FIDONET BBS ads for the UNDER-C library are still available from the archives of texfiles.com.

The contact information in the FIDONET articles above is no longer valid. For more information about the UNDER-C Library or to purchase the software, please contact Quayle Consulting.