toascii : force integers to ASCII range

Synopsis

#include <ctype.h>
int toascii(int c);
```### Description

toascii is a macro which coerces integers to the ASCII range (0--127) by zeroing any higher-order bits.

You can use a compiled subroutine instead of the macro definition by undefining this macro using `#undef toascii'.### Returns

toascii returns integers between 0 and 127. tolower : translate characters to lower case

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**Authoritative source**: BUSMASTER DITA help source `toascii.dita`, compiled into `BUSMASTER.CHM` with the application.